Major and trace element data for stream-sediment and rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle, Alaska

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What does this data set describe?

1. How should this data set be cited?

   Bailey, Elizabeth A. , Lee, Gregory K. , Mueller, Seth H. , Wang, Bronwen, Brown, Zoe Ann , and Beischer, Gregory A. , 2007, revised 2010, Major and trace element data for stream-sediment and rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle, Alaska: U.S. Geological Survey Open-File Report 2007-1196 version 1.1, U.S. Geological Survey (USGS), Reston, VA.

   Online Links:

   • <https://pubs.usgs.gov/of/2007/1196/>

2. What geographic area does the data set cover?

   West_Bounding_Coordinate: -158.9992

   East_Bounding_Coordinate: -155.8726

   North_Bounding_Coordinate: 61.0000

   South_Bounding_Coordinate: 59.8138

3. What does it look like?

   <https://pubs.usgs.gov/of/2007/1196/of2007-1196_v1.1_fig2.pdf> (PDF)

   Map showing locations of 848 stream-sediment and 59 rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle, Alaska. (2 MB)

4. Does the data set describe conditions during a particular time period?

   Beginning_Date: 2004

   Ending_Date: 2008

   Currentness_Reference: Years in which samples were collected in the field

5. What is the general form of this data set?

   Geospatial_Data_Presentation_Form: tabular digital data

6. How does the data set represent geographic features?
   1. How are geographic features stored in the data set?

      This is a Point data set. It contains the following vector data types (SDTS terminology):

      • Entity point

   2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.0001 degrees. Longitudes are given to the nearest 0.0001 degrees. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1927 (NAD27).
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4000.
      The flattening of the ellipsoid used is 1/294.9786.
      

7. How does the data set describe geographic features?

   ak19-5050_Table01_ver1-1.xls, ak19-5050_Table01_ver1-1.xlsx, ak19-5050_Table01_ver1-1.csv, ak19-5050_Table01_ver1-1.dbf, ak19-5050_Table01_ver1-1.ods

   These tables contain data for 848 stream-sediment samples and 59 rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle, Alaska. The fields (columns) consist of sample identification, location, descriptive, and analytical information about each sample. The location and descriptive information was recorded in the field at the time of collection by the sample collector. These samples were analyzed for Au, Pt, and Pd by fire assay with inductively coupled plasma-mass spectrometry finish (FA/ICP-MS); for As by hydride generation-atomic absorption spectrometry (HGAAS); for Hg by cold vapor-atomic absorption spectrometry (CVAAS); for 10 potentially ore-related metals by inductively coupled plasma-atomic emission spectrometry (ICP-AES) following partial digestion and extraction into organic solution; and for 42 elements by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid digestion. Some samples collected in 2004 were analyzed for gold by atomic absorption spectrophotometry after fire assay collection (FA/AA). (Source: U.S. Geological Survey)

   Lab_No.

   Each sample submitted for analyses is assigned a unique ID number by the USGS that is integrated with the USGS laboratory information storage system (LIMS) prior to submitting to a laboratory. (Source: U.S. Geological Survey, David L. Fey, Denver, CO)

   Character data without scientific significance. Each value assigned by the laboratory is unique.

   Field_No.

   Field number assigned by the submitter. (Source: U.S. Geological Survey, Elizabeth A. Bailey, Anchorage, AK)

   Character data without scientific significance. Each value assigned by the submitter is unique. The first 2 characters represent the year the sample was collected. The next 2 characters represent the 1:250,000-scale quadrangle the sample was collected in. In this case TA = Taylor Mountains. The next 3 or 4 characters represent the site number assigned by the collector. The last character represents the sample media. For this report, S = sediment and R = rock. A 'D' following the sample media character means the sample is a site duplicate. If a number or letter follows the sample media character it means that more than one unique sample was collected at the site. This is seen most commonly in the rock data set. Field numbers that begin with a 'B' were collected in 2004 by Bristol Bay Native Corporation personnel under a Cooperative Research and Development Agreement (CRADA) with the USGS. These samples were collected using USGS sampling protocol and were prepared and analyzed by the USGS.

   Latitude

   North latitude of sample site reported in decimal degrees. (NAD27, Clarke 1866) (Source: U.S. Geological Survey)

   Range of values
   Minimum:	59.8138
   Maximum:	61.0000
   Units:	decimal degrees

   Longitude

   West longitude of sample site reported in negative decimal degrees. (NAD27, Clarke 1866) (Source: U.S. Geological Survey)

   Range of values
   Minimum:	-155.8726
   Maximum:	-158.9992
   Units:	decimal degrees

   63360_quad

   The 1:63,360-scale quadrangle in the Taylor Mountains (TA) 1:250,000-scale quadrangle sample was collected in. A few samples in this data set were collected just outside the Taylor Mountains quadrangle boudary in the Lake Clark (LC) and Dillingham (DI) 1:250,000-scale quadrangles. (Source: U.S. Geological Survey)

   Text field. TA = Taylor Mountains; LC = Lake Clark; DI = Dillingham. There are 32 1:63,360-scale quads within the Taylor Mountains 1:250,000-scale quadrangle and they are coded by letter and number ranging from A-1 in the southeast corner through D-8 in the northwest corner of the quad.

   Sample_Description

   General descriptive information recorded by the sample collector at the sample site. (Source: U.S. Geological Survey, sample collector(s))

   Text field. This descriptive information varies from site to site.

   Au_FA/AA ppb

   Gold (Au) concentration determined by atomic absorption spectrophotometry after separation by fire assay in stream-sediment samples collected by the USGS in 2004. Reported in ppb (parts per billion). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M7>)

   Range of values
   Minimum:	<5
   Maximum:	60
   Units:	ppb (parts per billion)

   Au_FA/ICPMS ppb

   Concentration of gold in stream-sediment samples; determined by fire assay with inductively coupled plasma-mass spectrometry finish. Reported in ppb (parts per billion). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m20>)

   Range of values
   Minimum:	<1
   Maximum:	961
   Units:	ppb (parts per billion)

   Pd_FA/ICPMS ppb

   Concentration of palladium in stream-sediment samples; determined by fire assay with inductively coupled plasma-mass spectrometry finish. Reported in ppb (parts per billion). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m20>)

   Range of values
   Minimum:	<1
   Maximum:	4
   Units:	ppb (parts per billion)

   Pt_FA/ICPMS ppb

   Concentration of platinum in stream-sediment samples; determined by fire assay with inductively coupled plasma-mass spectrometry finish. Reported in ppb (parts per billion). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m20>)

   Range of values
   Minimum:	<0.5
   Maximum:	13.0
   Units:	ppb (parts per billion)

   As_HGAAS ppm

   Arsenic (As) concentration determined by hydride generation atomic abosorption spectrometry. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David L. Fey, Denver, CO and <https://pubs.usgs.gov/of/2002/ofr-02-0223/L06AS24Se_M.pdf>)

   Range of values
   Minimum:	1.7
   Maximum:	1,100
   Units:	ppm (parts per million)

   Hg_CVAAS ppm

   Mercury (Hg) concentration determined by cold vapor-atomic absorption spectrometry. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David L. Fey, Denver, CO and <https://pubs.usgs.gov/of/2002/ofr-02-0223/M12HgCV_M.pdf>)

   Range of values
   Minimum:	0.02
   Maximum:	9.40
   Units:	ppm (parts per million)

   Ag_ICP10_P ppm

   Concentration of silver in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	0.10
   Maximum:	5.11
   Units:	ppm (parts per million)

   As_ICP10_P ppm

   Concentration of arsenic in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	2
   Maximum:	1,110
   Units:	ppm (parts per million)

   Au_ICP10_P ppm

   Concentration of gold in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<0.1
   Maximum:	0.6
   Units:	ppm (parts per million)

   Bi_ICP10_P ppm

   Concentration of bismuth in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<1
   Maximum:	8
   Units:	ppm (parts per million)

   Cd_ICP10_P ppm

   Concentration of cadmium in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	0.06
   Maximum:	3.48
   Units:	ppm (parts per million)

   Cu_ICP10_P ppm

   Concentration of copper in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	2.8
   Maximum:	126
   Units:	ppm (parts per million)

   Mo_ICP10_P ppm

   Concentration of molybdenum in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	0.2
   Maximum:	6.2
   Units:	ppm (parts per million)

   Pb_ICP10_P ppm

   Concentration of lead in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	2
   Maximum:	40
   Units:	ppm (parts per million)

   Sb_ICP10_P ppm

   Concentration of antimony in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<1
   Maximum:	51
   Units:	ppm (parts per million)

   Zn_ICP10_P ppm

   Concentration of zinc in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	11.9
   Maximum:	262
   Units:	ppm (parts per million)

   Al_ICP42 %

   Concentration of aluminum in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	2.87
   Maximum:	8.97
   Units:	% (percent)

   Ca_ICP42 %

   Concentration of calcium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.22
   Maximum:	2.72
   Units:	% (percent)

   Fe_ICP42 %

   Concentration of iron in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.96
   Maximum:	8.11
   Units:	% (percent)

   K_ICP42 %

   Concentration of potassium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.51
   Maximum:	3.16
   Units:	% (percent)

   Mg_ICP42 %

   Concentration of magnesium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.19
   Maximum:	2.76
   Units:	% (percent)

   Na_ICP42 %

   Concentration of sodium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.25
   Maximum:	2.79
   Units:	% (percent)

   S_ICP42 %

   Concentration of sulfur in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	<0.01
   Maximum:	0.39
   Units:	percent (%)

   Ti_ICP42 %

   Concentration of titanium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.13
   Maximum:	1.66
   Units:	% (percent)

   Ag_ICP42 ppm

   Concentration of silver in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	<1
   Maximum:	5
   Units:	ppm (parts per million)

   As_ICP42 ppm

   Concentration of arsenic in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	3
   Maximum:	1,090
   Units:	ppm (parts per million)

   Ba_ICP42 ppm

   Concentration of barium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	206
   Maximum:	2,240
   Units:	ppm (parts per million)

   Be_ICP42 ppm

   Concentration of beryllium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.5
   Maximum:	5.4
   Units:	ppm (parts per million)

   Bi_ICP42 ppm

   Concentration of bismuth in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	<0.04
   Maximum:	7.66
   Units:	ppm (parts per million)

   Cd_ICP42 ppm

   Concentration of cadmium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	<0.1
   Maximum:	3.8
   Units:	ppm (parts per million)

   Ce_ICP42 ppm

   Concentration of cerium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	12.8
   Maximum:	254
   Units:	ppm (parts per million)

   Co_ICP42 ppm

   Concentration of cobalt in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	1.9
   Maximum:	39.3
   Units:	ppm (parts per million)

   Cr_ICP42 ppm

   Concentration of chromium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	9
   Maximum:	261
   Units:	ppm (parts per million)

   Cs_ICP42 ppm

   Concentration of cesium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	<5
   Maximum:	32
   Units:	ppm (parts per million)

   Cu_ICP42 ppm

   Concentration of copper in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	2.3
   Maximum:	150
   Units:	ppm (parts per million)

   Ga_ICP42 ppm

   Concentration of galium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	6.63
   Maximum:	20.6
   Units:	ppm (parts per million)

   In_ICP42 ppm

   Concentration of indium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.03
   Maximum:	0.36
   Units:	ppm (parts per million)

   La_ICP42 ppm

   Concentration of lanthanum in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	6.3
   Maximum:	126
   Units:	ppm (parts per million)

   Li_ICP42 ppm

   Concentration of lithium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	11
   Maximum:	113
   Units:	ppm (parts per million)

   Mn_ICP42 ppm

   Concentration of manganese in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	165
   Maximum:	15,985
   Units:	ppm (parts per million)

   Mo_ICP42 ppm

   Concentration of molybdenum in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.27
   Maximum:	5.80
   Units:	ppm (parts per million)

   Nb_ICP42 ppm

   Concentration of niobium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	2.5
   Maximum:	33.7
   Units:	ppm (parts per million)

   Ni_ICP42 ppm

   Concentration of nickel in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	5.9
   Maximum:	135
   Units:	ppm (parts per million)

   P_ICP42 ppm

   Concentration of phosphorus in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	343
   Maximum:	2,990
   Units:	ppm (parts per million)

   Pb_ICP42 ppm

   Concentration of lead in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	3.9
   Maximum:	39.1
   Units:	ppm (parts per million)

   Rb_ICP42 ppm

   Concentration of rubidium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	16.3
   Maximum:	126
   Units:	ppm (parts per million)

   Sb_ICP42 ppm

   Concentration of antimony in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.32
   Maximum:	70.70
   Units:	ppm (parts per million)

   Sc_ICP42 ppm

   Concentration of scandium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	5.7
   Maximum:	24.7
   Units:	ppm (parts per million)

   Sn_ICP42 ppm

   Concentration of tin in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.4
   Maximum:	13.6
   Units:	ppm (parts per million)

   Sr_ICP42 ppm

   Concentration of strontium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	38.2
   Maximum:	348
   Units:	ppm (parts per million)

   Te_ICP42 ppm

   Concentration of tellurium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	<0.1
   Maximum:	1.2
   Units:	ppm (parts per million)

   Th_ICP42 ppm

   Concentration of thorium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	1.6
   Maximum:	236
   Units:	ppm (parts per million)

   Tl_ICP42 ppm

   Concentration of thallium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.2
   Maximum:	1.0
   Units:	ppm (parts per million)

   U_ICP42 ppm

   Concentration of uranium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.8
   Maximum:	52.6
   Units:	ppm (parts per million)

   V_ICP42 ppm

   Concentration of vanadium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	36
   Maximum:	245
   Units:	ppm (parts per million)

   W_ICP42 ppm

   Concentration of tungsten in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	0.1
   Maximum:	42.8
   Units:	ppm (parts per million)

   Y_ICP42 ppm

   Concentration of tungsten in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	7.0
   Maximum:	56.7
   Units:	ppm (parts per million)

   Zn_ICP42 ppm

   Concentration of zinc in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following a multi-acid (HCl-HNO3-HClO4-HF) digestion. Although this digestion is considered a near total digestion it will not completely dissolve highly resistant minerals such as zircon, tourmaline, barite, monazite, cassiterite, rutile, and chromite. (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M19>)

   Range of values
   Minimum:	18
   Maximum:	274
   Units:	ppm (parts per million)

   ak19-5050_Table02_ver1-1.xls, ak19-5050_Table02_ver1-1.xlsx, ak19-5050_Table02_ver1-1.dbf, ak19-5050_Table02_ver1-1.csv, ak19-5050_Table02_ver1-1.ods

   This table contains data for 122 stream-sediment samples collected in the Taylor Mountains 1:250,000-scale quadrangle in 2006. The fields (columns) consist of sample identification, location, descriptive, and analytical information about each sample. The location and descriptive information was recorded in the field at the time of collection by the sample collector. These samples were analyzed by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius. (Source: U.S. Geological Survey)

   LAB_No.

   Each sample submitted for analyses is assigned a unique ID number by the USGS that is integrated with the USGS laboratory information storage system (LIMS) prior to submitting to a laboratory. (Source: U.S. Geological Survey, David L. Fey, Denver, CO)

   Character data without scientific significance. Each value assigned by the laboratory is unique.

   Field_No.

   Field number assigned by the submitter. (Source: U.S. Geological Survey, Elizabeth A. Bailey, Anchorage, AK)

   Character data without scientific significance. Each value assigned by the submitter is unique. The first 2 characters represent the year the sample was collected. The second 2 characters represent the 1:250,000-scale quadrangle the sample was collected in. In this case TA = Taylor Mountains. The next 3 or 4 characters represent the site number assigned by the collector. The last character represents the sample media. For this report, S = sediment and R = rock. A 'D' following the sample media character means the sample is a site duplicate. If a number follows the sample media character it means more than one unique sample was collected at the site. This is seen most commonly in the rock data set. Field numbers that begin with a 'B' were collected in 2004 by Bristol Bay Native Corporation personnel under a Cooperative Research and Development Agreement (CRADA) with the USGS. These samples were collected using USGS sampling protocol and were prepared and analyzed by the USGS.

   Latitude

   Latitude coordinates of sample site reported in decimal degrees north (Source: U.S. Geological Survey)

   Range of values
   Minimum:	60.0283
   Maximum:	60.9919
   Units:	decimal degrees

   Longitude

   Longitude coordinates of sample site reported in decimal degrees. Negative values indicate location in the western hemisphere. (Source: U.S. Geological Survey)

   Range of values
   Minimum:	-158.9491
   Maximum:	-156.1146
   Units:	decimal degrees

   63360_quad

   The 1:63,360-scale quadrangle in the Taylor Mountains 1:250,000-scale quadrangle sample was collected in. (Source: U.S. Geological Survey)

   Text field. TA = Taylor Mountains. There are 32 1:63,360-scale quads within the Taylor Mountains 1:250,000-scale quadrangle and they are coded by letter and number ranging from A-1 in the southeast corner through D-8 in the northwest corner of the quad.

   Sample_Description

   Descriptive information recorded by the sample collector at the sample site. (Source: U.S. Geological Survey, sample collector(s))

   Text field. This descriptive information varies from site to site.

   Al_ICP55 %

   Concentration of calcium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	4.57
   Maximum:	8.20
   Units:	% (percent)

   Ca_ICP55 %

   Concentration of calcium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.24
   Maximum:	1.61
   Units:	% (percent)

   Fe_ICP55 %

   Concentration of iron in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.92
   Maximum:	6.65
   Units:	% (percent)

   K_ICP55 %

   Concentration of potassium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.89
   Maximum:	2.09
   Units:	% (percent)

   Mg_ICP55 %

   Concentration of magnesium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.43
   Maximum:	1.29
   Units:	% (percent)

   Mn_ICP55 %

   Concentration of manganese in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.02
   Maximum:	0.50
   Units:	% (percent)

   P_ICP55 %

   Concentration of phosphorus in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.05
   Maximum:	0.18
   Units:	% (percent)

   Ti_ICP55 %

   Concentration of titanium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.23
   Maximum:	0.56
   Units:	% (percent)

   Ag_ICP55 ppm

   Concentration of silver in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	4
   Units:	ppm (parts per million)

   As_ICP55 ppm

   Concentration of arsenic in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<30
   Maximum:	1,100
   Units:	ppm (parts per million)

   Ba_ICP55 ppm

   Concentration of barium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	471
   Maximum:	1,340
   Units:	ppm (parts per million)

   Be_ICP55 ppm

   Concentration of beryllium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<5
   Maximum:	<5
   Units:	ppm (parts per million)

   Bi_ICP55 ppm

   Concentration of bismuth in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.1
   Maximum:	7.4
   Units:	ppm (parts per million)

   Cd_ICP55 ppm

   Concentration of cadmium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.2
   Maximum:	1.5
   Units:	ppm (parts per million)

   Ce_ICP55 ppm

   Concentration of cerium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	24.4
   Maximum:	85.9
   Units:	ppm (parts per million)

   Co_ICP55 ppm

   Concentration of cobalt in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	4.5
   Maximum:	27.2
   Units:	ppm (parts per million)

   Cr_ICP55 ppm

   Concentration of chromium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	40
   Maximum:	140
   Units:	ppm (parts per million)

   Cs_ICP55 ppm

   Concentration of cesium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.7
   Maximum:	23.2
   Units:	ppm (parts per million)

   Cu_ICP55 ppm

   Concentration of copper in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	7
   Maximum:	144
   Units:	ppm (parts per million)

   Dy_ICP55 ppm

   Concentration of dysprosium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	2.05
   Maximum:	5.80
   Units:	ppm (parts per million)

   Er_ICP55 ppm

   Concentration of erbium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.47
   Maximum:	3.32
   Units:	ppm (parts per million)

   Eu_ICP55 ppm

   Concentration of europium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.57
   Maximum:	1.66
   Units:	ppm (parts per million)

   Ga_ICP55 ppm

   Concentration of gallium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	8
   Maximum:	22
   Units:	ppm (parts per million)

   Gd_ICP55 ppm

   Concentration of gadollinium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	2.50
   Maximum:	6.72
   Units:	ppm (parts per million)

   Ge_ICP55 ppm

   Concentration of germanium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1
   Maximum:	2
   Units:	ppm (parts per million)

   Hf_ICP55 ppm

   Concentration of hafnium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	2
   Maximum:	7
   Units:	ppm (parts per million)

   Ho_ICP55 ppm

   Concentration of holmium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.41
   Maximum:	1.20
   Units:	ppm (parts per million)

   In_ICP55 ppm

   Concentration of indium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.2
   Maximum:	0.4

   La_ICP55 ppm

   Concentration of lanthanum in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	11.7
   Maximum:	44.1
   Units:	ppm (parts per million)

   Li_ICP55 ppm

   Concentration of lithium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	10
   Maximum:	100
   Units:	ppm (parts per million)

   Lu_ICP55 ppm

   Concentration of lutetium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.22
   Maximum:	0.65
   Units:	ppm (parts per million)

   Mo_ICP55 ppm

   Concentration of molybdenum in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<2
   Maximum:	4
   Units:	ppm (parts per million)

   Nb_ICP55 ppm

   Concentration of niobium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	5
   Maximum:	13
   Units:	ppm (parts per million)

   Nd_ICP55 ppm

   Concentration of neodeymium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	11.8
   Maximum:	31.5
   Units:	ppm (parts per million)

   Ni_ICP55 ppm

   Concentration of nickel in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	15
   Maximum:	87
   Units:	ppm (parts per million)

   Pb_ICP55 ppm

   Concentration of lead in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<5
   Maximum:	23
   Units:	ppm (parts per million)

   Pr_ICP55 ppm

   Concentration of praeseodymium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	3.0
   Maximum:	8.4
   Units:	ppm (parts per million)

   Rb_ICP55 ppm

   Concentration of rubidium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	36.1
   Maximum:	102
   Units:	ppm (parts per million)

   Sb_ICP55 ppm

   Concentration of anitmony in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.3
   Maximum:	13.8
   Units:	ppm (parts per million)

   ICPAES_MS55 Sc_ppm

   Concentration of scandium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	6
   Maximum:	20
   Units:	ppm (parts per million)

   Sm_ICP55 ppm

   Concentration of samarium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	2.3
   Maximum:	6.3
   Units:	ppm (parts per million)

   Sn_ICP55 ppm

   Concentration of tin in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	50
   Units:	ppm (parts per million)

   Sr_ICP55 ppm

   Concentration of strontium in stream-sediment samples; ddetermined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	49.8
   Maximum:	248
   Units:	ppm (parts per million)

   Ta_ICP55 ppm

   Concentration of tantalum in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.5
   Maximum:	0.9
   Units:	ppm (parts per million)

   Tb_ICP55 ppm

   Concentration of terbium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.38
   Maximum:	1.01
   Units:	ppm (parts per million)

   Th_ICP55 ppm

   Concentration of thorium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	3.0
   Maximum:	8.0
   Units:	ppm (parts per million)

   Tl_ICP55 ppm

   Concentration of thallium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.5
   Maximum:	0.8
   Units:	ppm (parts per million)

   Tm_ICP55 ppm

   Concentration of thulium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.19
   Maximum:	0.50
   Units:	ppm (parts per million)

   U_ICP55 ppm

   Concentration of uranium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.17
   Maximum:	5.09
   Units:	ppm (parts per million)

   V_ICP55 ppm

   Concentration of vanadium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	68
   Maximum:	237
   Units:	ppm (parts per million)

   W_ICP55 ppm

   Concentration of tungsten in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	134
   Units:	ppm (parts per million)

   Y_ICP55 ppm

   Concentration of yttrium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	12.6
   Maximum:	34.1
   Units:	ppm (parts per million)

   Yb_ICP55 ppm

   Concentration of ytterbium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.4
   Maximum:	3.3
   Units:	ppm (parts per million)

   Zn_ICP55 ppm

   Concentration of zinc in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	45
   Maximum:	230
   Units:	ppm (parts per million)

   Zr_ICP55 ppm

   Concentration of zirconium in stream-sediment samples; determined by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	92
   Maximum:	372
   Units:	ppm (parts per million)

   k19-5050_Table03_ver1-1.xls, ak19-5050_Table03_ver1-1.xlsx, ak19-5050_Table03_ver1-1.dbf, ak19-5050_Table03_ver1-1.csv, ak19-5050_Table03_ver1-1.ods

   This table contains data for 59 rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle. The fields (columns) consist of sample identification, location, descriptive, and analytical information about each sample. The location and descriptive information was recorded in the field at the time of collection by the sample collector. These samples were analyzed for Au, Pt, and Pd by fire assay with inductively coupled plasma-mass spectrometry finish (FA/ICP-MS); for As by hydride generation-atomic absorption spectrometry (HGAAS); for Hg by cold vapor-atomic absorption spectrometry (CVAAS); for 10 potentially ore-related metals by inductively coupled plasma-atomic emission spectrometry (ICP-AES) following partial digestion and extraction into organic solution; and for 55 elements by inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry (ICP-AES-MS) following sodium peroxide sinter at 450 degrees Celsius. (Source: U.S. Geological Survey)

   Lab_No.

   Each sample submitted for analyses is assigned a unique ID number by the USGS that is integrated with the USGS laboratory information storage system (LIMS) prior to submitting to a laboratory. (Source: U.S. Geological Survey, David L. Fey, Denver, CO)

   Character data without scientific significance. Each value assigned by the laboratory is unique.

   Field_No.

   Field number assigned by the submitter. (Source: U.S. Geological Survey, Elizabeth A. Bailey, Anchorage, AK)

   Character data without scientific significance. Each value assigned by the submitter is unique. The first 2 characters represent the year the sample was collected. The second 2 characters represent the 1:250,000-scale quadrangle the sample was collected in. In this case TA = Taylor Mountains. The next 3 or 4 characters represent the site number assigned by the collector. The last character represents the sample media. For this report, S = sediment and R = rock. A 'D' following the sample media character means the sample is a site duplicate. If a number or a letter other than 'D' follows the sample media character it means more than one unique sample was collected at the site. This is seen most commonly in the rock data set.

   Latitude

   Latitude coordinates of sample site reported in decimal degrees north (Source: U.S. Geological Survey)

   Range of values
   Minimum:	60.0301
   Maximum:	60.9585
   Units:	decimal degrees

   Longitude

   Longitude coordinates of sample site reported in decimal degrees. Negative values indicate location in the western hemisphere. (Source: U.S. Geological Survey)

   Range of values
   Minimum:	-158.5788
   Maximum:	-156.1683
   Units:	decimal degrees

   63360_quad

   The 1:63,360-scale quadrangle in the Taylor Mountains 1:250,000-scale quadrangle sample was collected in. (Source: U.S. Geological Survey)

   Text field. TA = Taylor Mountains. There are 32 1:63,360-scale quads within the Taylor Mountains 1:250,000-scale quadrangle and they are coded by letter and number ranging from A-1 in the southeast corner through D-8 in the northwest corner of the quad.

   Sample_Description

   General descriptive information recorded by the sample collector at the sample site. (Source: U.S. Geological Survey, sample collector(s))

   Text field. This descriptive information varies from site to site.

   Sample Source (Rock samples only)

   General description of the sample site recorded by the sample collector. (Source: U.S. Geological Survey)

   Value	Definition
   mine dump/prospect
   float
   outcrop

   Rock Type (Rock samples only)

   primary rock type as recorded by the sample collector at the time of collection. (Source: U.S. Geological Survey)

   Value	Definition
   unidentified
   igneous
   sedimentary
   metamorphic

   Rock Name (Rock samples only)

   Specific rock type as identified in the field at the time of collection by the sample collector. (Source: U.S. Geological Survey)

   Value	Definition
   sandstone
   shale
   siltstone, claystone, mudstone
   felsic igneous
   hornfels
   phyllite
   other

   Rock Formation (Rock samples only)

   The name of the rock formation from which the sample was collected if known. If blank, not known. (Source: U.S. Geological Survey)

   Value	Definition
   Kuskokwim(?)
   Gemuk(?)
   blank

   Rock Mineralization (Rock samples only)

   Metallic mineralization if observed by the sample collector at the time collection. If blank, no mineralization was observed. (Source: U.S. Geological Survey)

   Value	Definition
   vein
   disseminated
   blank

   Rock Alteration (Rock samples only)

   Any alteration noted at by the sample collector time of collection. If blank, alteration was not observed or not noted. (Source: U.S. Geological Survey)

   Value	Definition
   siliceoous
   sericitic
   blank

   Geologic Age (Rock samples only)

   Geologic age if known at time of collection. If blank, the geologic age is not known. (Source: U.S. Geological Survey)

   Value	Definition
   Cretaceous
   blank

   Au_FA/ICPMS ppb

   Concentration of gold in stream-sediment samples; determined by fire assay with inductively coupled plasma-mass spectrometry finish (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m20>)

   Range of values
   Minimum:	<1
   Maximum:	485
   Units:	ppb (parts per billion)

   Pd_FA/ICPMS ppb

   Concentration of palladium in stream-sediment samples; determined by fire assay with inductively coupled plasma-mass spectrometry finish (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m20>)

   Range of values
   Minimum:	<1
   Maximum:	7
   Units:	ppb (parts per billion)

   Pt_FA/ICPMS ppb

   Concentration of platinum in stream-sediment samples; determined by fire assay with inductively coupled plasma-mass spectrometry finish (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m20>)

   Range of values
   Minimum:	<0.5
   Maximum:	2.0
   Units:	ppb (parts per billion)

   As_HGAAS ppm

   Concentration of arsenic in stream-sediment samples; determined by hydride generation atomic absorption spectrometry (Source: U.S. Geological Survey, David L. Fey, Denver, CO and <https://pubs.usgs.gov/of/2002/ofr-02-0223/L06AS24Se_M.pdf>)

   Range of values
   Minimum:	1.1
   Maximum:	20,000
   Units:	ppm (parts per million)

   Hg_CVAAS ppm

   Mercury (Hg) concentration determined by cold vapor-atomic absorption spectrometry. Reported in ppm (Source: U.S. Geological Survey, David L. Fey, Denver, CO and <https://pubs.usgs.gov/of/2002/ofr-02-0223/M12HgCV_M.pdf>)

   Range of values
   Minimum:	0.01
   Maximum:	0.19
   Units:	ppm (parts per million)

   Ag_ICP10_P ppm

   Concentration of silver in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<0.08
   Maximum:	111
   Units:	ppm (parts per million)

   As_ICP10_P ppm

   Concentration of arsenic in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	4
   Maximum:	18,600
   Units:	ppm (parts per million)

   Au_ICP10_P ppm

   Concentration of gold in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<0.1
   Maximum:	0.4
   Units:	ppm (parts per million)

   Bi_ICP10_P ppm

   Concentration of bismuth in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<1
   Maximum:	120
   Units:	ppm (parts per million)

   Cd_ICP10_P ppm

   Concentration of cadmium in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<0.05
   Maximum:	0.61
   Units:	ppm (parts per million)

   Cu_ICP10_P ppm

   Concentration of copper in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	2.9
   Maximum:	99.4
   Units:	ppm (parts per million)

   Mo_ICP10_P ppm

   Concentration of molybdenum in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	0.2
   Maximum:	2.2
   Units:	ppm (parts per million)

   Pb_ICP10_P ppm

   Concentration of lead in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	1
   Maximum:	2,120
   Units:	ppm (parts per million)

   Sb_ICP10_P ppm

   Concentration of antimony in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	<1
   Maximum:	144
   Units:	ppm (parts per million)

   Zn_ICP10_P ppm

   Concentration of zinc in stream-sediment samples; determined by a partial extraction technique (Aliquat/MIBK) modified and adapted for use with inductively coupled plasma-atomic emission spectrometry for the analysis of geologic materials. It is important to note that this procedure is a partial digestion and depending on an element availability, results may be biased low when compared to other methods of analyses. Reported in ppm (parts per million). (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#M2>)

   Range of values
   Minimum:	9.1
   Maximum:	291
   Units:	ppm (parts per million)

   Al_ICP55 %

   Concentration of calcium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.16
   Maximum:	12.8
   Units:	% (percent)

   Ca_ICP55 %

   Concentration of calcium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.01
   Maximum:	2.90
   Units:	% (percent)

   Fe_ICP55 %

   Concentration of iron in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.45
   Maximum:	7.78
   Units:	% (percent)

   K_ICP55 %

   Concentration of potassium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.05
   Maximum:	3.88
   Units:	% (percent)

   Mg_ICP55 %

   Concentration of magnesium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.02
   Maximum:	2.96
   Units:	% (percent)

   Mn_ICP55 %

   Concentration of manganese in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.008
   Maximum:	0.160
   Units:	% (percent)

   P_ICP55 %

   Concentration of phosphorus in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.01
   Maximum:	0.28
   Units:	% (percent)

   Ti_ICP55 %

   Concentration of titanium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.01
   Maximum:	0.87
   Units:	% (percent)

   Ag_ICP55 ppm

   Concentration of silver in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	118
   Units:	ppm (parts per million)

   As_ICP55 ppm

   Concentration of arsenic in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<30
   Maximum:	16,454
   Units:	ppm (parts per million)

   Ba_ICP55 ppm

   Concentration of barium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	20.3
   Maximum:	1,780
   Units:	ppm (parts per million)

   Be_ICP55 ppm

   Concentration of beryllium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<5
   Maximum:	125
   Units:	ppm (parts per million)

   Bi_ICP55 ppm

   Concentration of bismuth in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.1
   Maximum:	112
   Units:	ppm (parts per million)

   Cd_ICP55 ppm

   Concentration of cadmium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.2
   Maximum:	1.2
   Units:	ppm (parts per million)

   Ce_ICP55 ppm

   Concentration of cerium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.2
   Maximum:	91.1
   Units:	ppm (parts per million)

   Co_ICP55 ppm

   Concentration of cobalt in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.5
   Maximum:	32.9
   Units:	ppm (parts per million)

   Cr_ICP55 ppm

   Concentration of chromium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<10
   Maximum:	320
   Units:	ppm (parts per million)

   Cs_ICP55 ppm

   Concentration of cesium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.3
   Maximum:	110
   Units:	ppm (parts per million)

   Cu_ICP55 ppm

   Concentration of copper in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	8
   Maximum:	96
   Units:	ppm (parts per million)

   Dy_ICP55 ppm

   Concentration of dysprosium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.15
   Maximum:	7.88
   Units:	ppm (parts per million)

   Er_ICP55 ppm

   Concentration of erbium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.10
   Maximum:	4.41
   Units:	ppm (parts per million)

   Eu_ICP55 ppm

   Concentration of europium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.05
   Maximum:	1.83
   Units:	ppm (parts per million)

   Ga_ICP55 ppm

   Concentration of gallium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	31
   Units:	ppm (parts per million)

   Gd_ICP55 ppm

   Concentration of gadollinium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.12
   Maximum:	7.43
   Units:	ppm (parts per million)

   Ge_ICP55 ppm

   Concentration of germanium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	4
   Units:	ppm (parts per million)

   Hf_ICP55 ppm

   Concentration of hafnium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	13
   Units:	ppm (parts per million)

   Ho_ICP55 ppm

   Concentration of holmium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.05
   Maximum:	1.49
   Units:	ppm (parts per million)

   In_ICP55 ppm

   Concentration of indium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.2
   Maximum:	6.1

   La_ICP55 ppm

   Concentration of lanthanum in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.4
   Maximum:	49.3
   Units:	ppm (parts per million)

   Li_ICP55 ppm

   Concentration of lithium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<10
   Maximum:	940
   Units:	ppm (parts per million)

   Lu_ICP55 ppm

   Concentration of lutetium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.05
   Maximum:	0.57
   Units:	ppm (parts per million)

   Mo_ICP55 ppm

   Concentration of molybdenum in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<2
   Maximum:	<2
   Units:	ppm (parts per million)

   Nb_ICP55 ppm

   Concentration of niobium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	23
   Units:	ppm (parts per million)

   Nd_ICP55 ppm

   Concentration of neodeymium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.3
   Maximum:	42.6
   Units:	ppm (parts per million)

   Ni_ICP55 ppm

   Concentration of nickel in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	7
   Maximum:	148
   Units:	ppm (parts per million)

   Pb_ICP55 ppm

   Concentration of lead in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<5
   Maximum:	2,030
   Units:	ppm (parts per million)

   Pr_ICP55 ppm

   Concentration of praeseodymium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.08
   Maximum:	11.00
   Units:	ppm (parts per million)

   Rb_ICP55 ppm

   Concentration of rubidium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.0
   Maximum:	329
   Units:	ppm (parts per million)

   Sb_ICP55 ppm

   Concentration of anitmony in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.2
   Maximum:	150
   Units:	ppm (parts per million)

   Sc_ICP55 ppm

   Concentration of scandium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<5
   Maximum:	23
   Units:	ppm (parts per million)

   Sm_ICP55 ppm

   Concentration of samarium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.1
   Maximum:	7.9
   Units:	ppm (parts per million)

   Sn_ICP55 ppm

   Concentration of tin in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	659
   Units:	ppm (parts per million)

   Sr_ICP55 ppm

   Concentration of strontium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	2.7
   Maximum:	309
   Units:	ppm (parts per million)

   Ta_ICP55 ppm

   Concentration of tantalum in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.5
   Maximum:	2.8
   Units:	ppm (parts per million)

   Tb_ICP55 ppm

   Concentration of terbium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.05
   Maximum:	1.31
   Units:	ppm (parts per million)

   Th_ICP55 ppm

   Concentration of thorium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.4
   Maximum:	14.6
   Units:	ppm (parts per million)

   Tl_ICP55 ppm

   Concentration of thallium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<0.5
   Maximum:	5.5
   Units:	ppm (parts per million)

   Tm_ICP55 ppm

   Concentration of thulium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.10
   Maximum:	0.59
   Units:	ppm (parts per million)

   U_ICP55 ppm

   Concentration of uranium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.12
   Maximum:	18.50
   Units:	ppm (parts per million)

   V_ICP55 ppm

   Concentration of vanadium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<5
   Maximum:	344
   Units:	ppm (parts per million)

   W_ICP55 ppm

   Concentration of tungsten in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	<1
   Maximum:	929
   Units:	ppm (parts per million)

   Y_ICP55 ppm

   Concentration of yttrium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.9
   Maximum:	40.2
   Units:	ppm (parts per million)

   Yb_ICP55 ppm

   Concentration of ytterbium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	0.1
   Maximum:	3.6
   Units:	ppm (parts per million)

   Zn_ICP55 ppm

   Concentration of zinc in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	9
   Maximum:	307
   Units:	ppm (parts per million)

   Zr_ICP55 ppm

   Concentration of zirconium in stream-sediment samples; determined by inductively coupled plasma atomic emission spectrometry or mass spectrometry following sodium peroxide sinter at 450 degrees Celsius (Source: U.S. Geological Survey, David E. Detra, Denver, CO and <http://minerals.cr.usgs.gov/projects/analytical_chem/references.html#m22>)

   Range of values
   Minimum:	1.6
   Maximum:	489
   Units:	ppm (parts per million)

   Entity_and_Attribute_Overview:

   These tables contain data for 848 stream-sediment samples and 59 rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle. The fields (columns) consist of sample identification, location, descriptive, and analytical information about each sample.

Who produced the data set?

1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
   • Elizabeth A. Bailey
   • Gregory K. Lee
   • Seth H. Mueller
   • Bronwen Wang
   • Zoe Ann Brown
   • Gregory A. Beischer

2. Who also contributed to the data set?

   David E. Detra: USGS Denver, CO, Analytical chemistry methods information, analytical data quality assurance and control, contract chemistry manager
   David L. Fey: USGS Denver, CO, Analytical chemistry methods information
   Keith A. Labay: USGS Anchorage, AK, metadata reviewer
   Ed Kimasauskas: USGS Anchorage, AK, technical reviewer
   Ted Moran: USGS Anchorage, AK, technical reviewer
   Mike Diggles: USGS Publications Team, web page
   

3. To whom should users address questions about the data?
   Bailey, Elizabeth A.
   U.S. Geological Survey
   Research Chemist
   4210 University Drive
   Anchorage, Alaska 99508-4626
   United States of America
   

   1-907-786-7442 (voice)
   1-907-786-7401 (FAX)
   <eabailey@usgs.gov>
   

Why was the data set created?

These data may be useful to locate areas of potential interest for ore minerals, to provide data that may be used to determine regional-scale element baselines, and to provide data that may be helpful for mineral resource assessment studies.

How was the data set created?

1. From what previous works were the data drawn?

2. How were the data generated, processed, and modified?

   Date: 2007 (process 1 of 2)

   Version 1.0
   Location, descriptive, and analytical data were compiled in spreadsheet form (Excel, *.xls). Columns (fields) containing numeric data such as latitude, longitude, and analytical data were formatted as numeric fields and then the *.xls files were saved as *.dbf and *.csv formats for use in GIS and other applications.

   Date: 19-Apr-2010 (process 2 of 2)

   Version 1.1
   1) Data for 96 stream-sediment samples collected in 2008 were added to data table 1.
   2) Data for 24 rock samples collected in 2008 were added to data table 3.
   3) The image file (OFR2007-1196_v1.1_fig.2.pdf) showing locations of sample collected was updated to include the locations for all samples collected in 2008.
   4) Gold values determined by atomic absorption spectrophotometry after collection by fire assay (Au_FA/AA in table 1) in the stream-sediment samples collected by the USGS in 2004 were converted TO ppb (parts per billion) FROM ppm (parts per million).
   5) The lower reporting limit for Cs (cesium) measured by the 42-element multi-acid digestion inductively coupled plasma-atomic emission spectrometry or inductively coupled plasma-mass spectrometry method (Cs_ICP42 ppm in table 1) was changed by the USGS contract laboratory in 2006 TO 5 ppm FROM 0.05 ppm. All results for Cs determined by this method in stream-sediment samples collected in 2004 and in 2005 were changed to reflect the revised lower reporting limit of 5 ppm. Values previously reported in data table 1 in version 1.0 of this report that were less than 5 ppm have been changed to <5 in data table 1 in version 1.1.
   6) Web-only references for the analytical methods used by the USGS contract laboratory were added to the downloadable report and the metadata.
   7) OpenDocument Spreadsheet (ODS) and MS Excel 2007 (XLSX) versions of the data tables were added.
   8) An XML version of the metadata was added.

3. What similar or related data should the user be aware of?

   , 1) Klimasauskas, E.P., Miller, M.L., Bradley, D.C., Karl, S.M., Baichtal, J.F., and Blodgett, R.B., 2006, Major- and trace-element concentrations in rock samples collected in 2004 from the Taylor Mountains 1:250,000-scale quadrangle, Alaska: U.S. Geological Survey Open-File Report 2006-1070, 8 p., <https://pubs.usgs.gov/of/2006/1070/>. 2) Klimasauskas, E.P., Miller, M.L., Bradley, D.C., Bundtzen, T.K., and Hudson, T.L., 2006, Major- and trace-element concentrations in rock samples collected in 2005 from the Taylor Mountains 1:250,000-scale quadrangle, Alaska: U.S. Geological Survey Open-File Report 2006-1306, 8 p., <https://pubs.usgs.gov/of/2006/1306/>. 3) Klimasauskas, E.P., Miller, M.L., and Bradley, D.C., 2007, Major- and trace-element concentrations in rock samples collected in 2006 from the Taylor Mountains 1:250,000-scale quadrangle, Alaska: U.S. Geological Survey Open-File Report 2007-1386, 6 p., <https://pubs.usgs.gov/of/2007/1386/>. 4) Wang, B., Mueller, S., Bailey, E., and Lee, G., 2006, Aqueous geochemical data from the analysis of stream water samples collected in August 2004 - Taylor Mountains 1:250,000 scale quadrangle, Alaska: U.S. Geological Survey Open-File Report 2006-1175, 11 p., <https://pubs.usgs.gov/of/2006/1175/>. 5) Wang, B., Mueller, S., Stetson, S., Bailey, E., and Lee, G., 2006, Aqueous geochemical data from the analysis of stream-water samples collected in June and July 2005 - Taylor Mountains 1:250,000 scale quadrangle, Alaska: U.S. Geological Survey Open-File Report 2006-1361, 7 p., <https://pubs.usgs.gov/of/2006/1361/>..

How reliable are the data; what problems remain in the data set?

1. How well have the observations been checked?

   The analytical methods used to generate the data in this report were selected by the authors. The accuracy of the data varies with the analytical methodology and with the concentration of the element being analyzed. Please see USGS Open-File Report 02-0223 (<https://pubs.usgs.gov/of/2002/ofr-02-0223/>) and the USGS Mineral Resources Program Contract Laboratory Method Summaries web site (<http://minerals.cr.usgs.gov/projects/analytical_chem/references.html>) for specific details on the sample preparation and analytical methods used for this report.

2. How accurate are the geographic locations?

   All coordinates were determined by handheld global positioning systems (GPS) in decimal degrees and are accurate to about 0.0001 degrees or about 20 feet. The 1927 North American Datum (NAD27) based on the Clarke 1866 ellipsoid is used.

3. How accurate are the heights or depths?

   Not determined

4. Where are the gaps in the data? What is missing?

   This report consists of several files. The Report file in PDF format contains introductory and explanatory text and tables with the upper and lower reporting limits for each element analyzed for by the various analytical methods used for this data set. The Figure 2 file is a PDF image showing the locations of all the samples collected in the Taylor Mountains 1:250,000-scale quadrangle, Alaska, for this data set. The Tables folder contains data tables in spreadsheet format (*.xls) with location, descriptive, and analytical data for each sample reported. The *.xls tables have also been saved as *.dbf, *.csv, *.ods, and *.xlsx formats for use in GIS or other applications. The Metadata folder contains the metadata for this report in FAQ.htm, HTML, XML, and TXT formats.
   
   Abbreviations used in the data tables:
   D: field numbers followed by a D are site duplicate samples
   B: field numbers preceded by a B indicate samples collected in 2004 by Bristol Bay Native Corporation personnel
   TA: Taylor Mountains
   DI: Dillingham
   LC: Lake Clark
   Au_FA/AA: gold determined by fire assay/atomic absorption spectrophotometry
   FA/ICPMS: gold, palladium, platinum determined by fire assay/ICP-MS
   As_HGAAS: arsenic determined by hydride generation-atomic absorption spectrometry
   Hg_CVAAS: mercury determined by cold vapor-atomic absorption spectrometry
   ICP10_P: 10 elements determined by ICP-AES after partial digestion/extraction
   ICP42: 42 elements determined by ICP-AES and ICP-MS after four-acid dissolution
   INS: insufficient sample for analysis
   <: less than the lower reporting limit
   ppb: parts per billion
   ppm: parts per million
   %: percent
   
   
   
   

5. How consistent are the relationships among the observations, including topology?

   All of the location coordinate and analytical data fields have been formatted as numeric fields. Maximum and minimum values were calculated to insure that valid results were reported for each analytical value; that is all values are greater than zero (0) and not less than the element lower reporting limit for each analytical method.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None

Use_Constraints: None

1. Who distributes the data set? (Distributor 1 of 1)
   USGS Information Services
   Box 25286, Denver Federal Center
   Denver, Colorado 80225-0046
   United States
   

   1-888-ASK-USGS (1-888-275-8747) (voice)
   1-303-202-4695 (FAX)
   infoservices@usgs.gov
   

2. What's the catalog number I need to order this data set?

   USGS Open-File Report 2007-1196

3. What legal disclaimers am I supposed to read?

   The USGS makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. The USGS further makes no warranties, either expressed or implied as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although this data has been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of this data on any other system, nor does the fact of distribution constitute or imply any such warranty. In no event shall the USGS have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by the USGS.

4. How can I download or order the data?
   • Availability in digital form:

     Data format:	sample identification, location information, descriptive information, and chemical analyses of 848 stream-sediment samples and 59 rock samples collected in the Taylor Mountains 1:250,000-scale quadrangle, Alaska in format XLS, XLSX, CSV, DBF, ODS (version MS Excel 2003; MS Excel 2007, comma separated values, dBase IV, OpenDocument Spreadsheet (OpenOffice.org Calc))
     Network links:	<https://pubs.usgs.gov/of/2007/1196/data/2007-1196>

   • Cost to order the data: None

Who wrote the metadata?

Dates:

Last modified: 21-May-2010

Metadata author:

Elizabeth A. Bailey
U.S. Geological Survey
Research Chemist
4210 University Drive
Anchorage, Alaska 99508-4626
United States

1-907-786-7442 (voice)
1-907-786-7401 (FAX)
eabailey@usgs.gov

Metadata standard:

Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)