Fort Yukon Quadrangle NURE HSSR Study

OFR 97-492: Fort Yukon Quadrangle NURE HSSR Study

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National Geochemical Database—Reformatted Data from the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) Program

By Steven M. Smith
Version 1.40 (2006)

Brief History and Description of Data

[See History of NURE HSSR Program for a summary of the entire program.]

Totals of 633 sediment and 627 water samples were collected from 635 locations during September of 1978 within the Fort Yukon quadrangle as part of the Los Alamos Scientific Laboratory (LASL) Fort Yukon Quadrangle NURE Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) study. All samples were analyzed by LASL for uranium, and sediment samples were also analyzed for up to 43 additional elements. When LASL was unable to complete the Fort Yukon quadrangle data release report, the data were sent to the Bendix Field Engineering Corporation in Grand Junction, Colorado. Subsequently the data for 629 lake sediment samples and 624 lake water samples were published as the microfiche GJBX-201(81) report. This report does not give any details on the sample collection or analytical methods used for these samples.

The following is a list of NURE sample types collected in the Fort Yukon quadrangle.

*Summary of Fort Yukon quadrangle sample types.*
Sediment Sample Type	Number of Samples	Water Sample Type	Number of Samples
Wet Streams	2	Streams	3
Dry Streams	2	Lakes	624
Wet Lakes	627
Dry Lakes	2
Total Sediments	633	Total Waters	627

These Fort Yukon quadrangle samples were analyzed by one or more of the following methods:

Sediment Samples

LA1: Los Alamos Delayed-Neutron Counting Analysis of sediments for U.
LA3: Los Alamos Energy Dispersive X-Ray Fluorescence Analysis of sediments for Ag, As, Bi, Cd, Cu, Nb, Ni, Pb, Se, Sn, W and Zr.
LA5: Los Alamos Neutron Activation Analysis of sediments for Al, Au, Ba, Ca, Ce, Cl, Co, Cr, Cs, Dy, Eu, Fe, Hf, K, La, Lu, Mg, Mn, Na, Rb, Sb, Sc, Sm, Sr, Ta, Tb, Th, Ti, V, Yb, and Zn.

Water Samples

LA6-FL: Los Alamos Fluorometry Analysis of waters for U.

Composition of the NEW-FORMAT NURE Data Files

The data in the NEW-FORMAT NURE data files consist of reformatted records from the GJBX-201(81) report. Any changes in the data or problems found are noted in the REFORMAT comment field.

Download The Data

The NURE HSSR data are now available online in two databases: The sediment database (also includes data for soils and some rocks) at http://tin.er.usgs.gov/nure/sediment/ and the water database at http://tin.er.usgs.gov/nure/water/. From these two websites, NURE HSSR data can be selected, examined, summarized, and downloaded by political boundaries (State and County), by quadrangle (1:250,000-scale, 1:100,000-scale, and 1:63,360-scale for Alaska or 1:24,000-scale for the Lower 48 States), and by hydrologic unit (drainage region, subregion, river basin, or sub-basin). Selected data can be downloaded as a dBase file, a shapefile, an HTML table, or ASCII text (tab- or comma-delimited).

Fort Yukon Quadrangle Sediment Data - 633 records
Fort Yukon Quadrangle Water Data - 627 records

Notes for Data Users

Water samples from this quadrangle are reported to have been acidified with nitric acid but NOT filtered in the field.

Other NURE Geochemical Data for the Fort Yukon Quadrangle

Totals of 1,042 rock samples and 287 sediment samples were collected by personnel of the U.S. Bureau of Mines, Alaska Field Operations Center, Fairbanks, Alaska, "in conjunction with various projects in central and eastern Alaska" from portions of the Beaver, Bettles, Black River, Chandalar, Charley River, Circle, Eagle, Fairbanks, Fort Yukon, Livengood, Melozitna, Tanacross, Tanana, Teller, and Wiseman quadrangles. These samples were sent to LASL for analysis and the results were released by Bendix Field Engineering Corporation of Grand Junction, Colorado and the U.S. Bureau of Mines in the GJBX-178(81) report. Samples were analyzed for uranium by delayed neutron activation, for 12 elements by energy dispersive x-ray fluorescence, for Be and Li by arc-source emission spectrography, and for 30 elements by neutron activation. These data can only be found in tables in the summary report, and the sample locations can only be identified on the plates accompanying the report.

LASL compiled all of the regional HSSR data from Alaskan NURE studies and produced a report [GJBX-32(83] that graphically displays the distribution of selected elements for most of the State. No additional geochemical data were released with this report.

Fort Yukon Quadrangle NURE Bibliography

Averett, W.R., and Barker, J., 1981, Report of analyses from mineral resource investigations in central and eastern Alaska: Bendix Field Engineering Corporation, U.S. Department of Energy, Grand Junction, Colo., GJBX-178(81), 148 p.
Weaver, T.A., Freeman, S.H., Broxton, D.E., Bolivar, S.L., and others, 1983, The geochemical atlas of Alaska: Los Alamos National Laboratory, Los Alamos, N.M., LA-9897-MS, U.S. Department of Energy, Grand Junction, Colo., GJBX-32(83), 57 p.
Zinkl, R.J., Shettel, D.L., Jr., Langfeldt, S.L., Youngquist, C.A., D'Andrea, R.F., Jr., Minor, M.M., McInteer, C., Hansel, J.N., and Broxton, D.E., 1981, Uranium hydrogeochemical and stream sediment reconnaissance of the Fort Yukon NTMS quadrangle, Alaska: Bendix Field Engineering Corporation, U.S. Department of Energy, Grand Junction, Colo., GJBX-201(81), 77 p.

Links Within Open-File Report 97-492

Back to Alaska NURE data
Frequently Asked Questions Concerning NURE HSSR Data
Home Page: USGS National Geochemical Database - NURE HSSR data

Page written by Andrew W. Holt and Steven M. Smith
Contact: Steven M. Smith (smsmith@usgs.gov)
Version 1.20: August 07, 2000
Version 1.30: September 11, 2001
Version 1.40: January 13, 2006

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U.S. Department of the Interior \| U.S. Geological Survey URL: https://pubsdata.usgs.gov/pubs/of/1997/ofr-97-0492/quad_ak/q_ftyukn.htm Questions or Assistance: USGS Web Contact Page Last Modified: Wed Dec 7 16:17 EST 2016

National Geochemical Database—Reformatted Data from the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) Program By Steven M. Smith Version 1.40 (2006)