OFR 97-492: Clarksburg Quadrangle NURE HSSR Study
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[See History of NURE HSSR Program for a summary of the entire program.]
West Virginia
Subcontractors for the Savannah River Laboratory (SRL) collected at least 2,965 stream-sediment, 2,910 surface-water, and 4,060 ground-water samples within 55 counties from West Virginia as part of the NURE Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) program. The sediment samples were collected during May - November 1978 and August - September 1979; water samples were collected during April - August 1977; May - September 1978; and July 1980. Sample coverage included portions of the Baltimore, Bluefield, Canton, Charleston, Charlottesville, Clarksburg, Columbus, Cumberland, Huntington, and Jenkins 1:250,000-scale quadrangles. (A total of 548 stream-sediment, 546 surface-water, and 718 ground-water samples were collected within the Clarksburg quadrangle.) These samples were sent to SRL for analysis of uranium and additional elements (16 in sediments and 9 in waters). SRL was able to analyze 2,919 sediments and 6,965 waters from West Virginia; this includes 545 sediment and 1,264 water sample from the Clarksburg quadrangle. The analytical and site location data for all West Virginia samples were released in the Delaware, Maryland, Virginia, and West Virginia Data Report [GJBX-103(82)].
Ohio
Subcontractors for the Savannah River Laboratory (SRL) collected at least 1,214 stream-sediment, 1,205 surface-water, and 2,049 ground-water samples within 20 counties from east central Ohio as part of the NURE Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) program. Field sampling was conducted during July - August, 1978. Sample coverage included portions of the Canton, Charleston, Clarksburg, Cleveland, Columbus, and Marion 1:250,000-scale quadrangles. (A total of 387 stream-sediment, 386 surface-water, and 572 ground-water samples were collected within the Clarksburg quadrangle.) These samples were sent to SRL for analysis of uranium and additional elements (16 in sediments and 9 in waters). SRL was able to analyze 330 sediments and 3,252 waters from Ohio; this includes 164 sediment and 958 water samples from the Clarksburg quadrangle. The analytical and site location data for all Ohio samples were released in the Illinois, Indiana, Kentucky, Tennessee, and Ohio Data Report [GJBX-105(82)].
Pennsylvania
Subcontractors for the Savannah River Laboratory (SRL) collected at least 4,499 stream-sediment, 4,401 surface-water, and 5,734 ground-water samples within 49 counties from Pennsylvania as part of the NURE Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) program. The sediment samples were collected during September - October 1976; July - December 1977; and July - August 1978, and water samples were collected during May - December 1977 and July - August 1978. Sample coverage included portions of the Baltimore, Canton, Clarksburg, Cleveland, Cumberland, Elmira, Harrisburg, Newark, Pittsburgh, Scranton, Warren, Williamsport, and Wilmington 1:250,000-scale quadrangles. (A total of 77 stream-sediment, 77 surface-water, and 106 ground-water samples were collected within the Clarksburg quadrangle.) These samples were sent to SRL for analysis of uranium and additional elements (16 in sediments and 9 in waters). SRL was able to analyze 4,287 sediments and 10,100 waters from Pennsylvania; this includes 76 sediment and 183 water samples from the Clarksburg quadrangle. The analytical and site location data for all Pennsylvania samples were released in the Pennsylvania, New Jersey, and New York Data Report [GJBX-106(82)].
SRL sent 3,851 sediment samples from Pennsylvania to an unnamed contract laboratory for "Supplemental Analyses." Supplemental analytical determinations for up to 23 elements were reported for 3,842 of these samples in the Pennsylvania, New Jersey, and New York Data Report [GJBX-106(82)]. The digital data file accompanying this report includes Supplemental Analyses for 3 Pennsylvania sediment samples within the Clarksburg quadrangle.
SRL: Clarksburg Quadrangle
SRL did not release a separate report for the Clarksburg quadrangle.
ORGDP: Clarksburg and Columbus Quadrangles
SRL sent several Ohio sediment samples to the Oak Ridge Gaseous Diffusion Plant (ORGDP) for analysis of uranium and 31 additional elements. ORGDP released the analytical data for 216 samples in the Clarksburg and Columbus Quadrangles GJBX-79(82) Data Report. This report includes results for 194 Clarksburg quadrangle sediment samples. The site coding information for this data set was summarized in the GJBX-51(82) report.
Gold Analyses
Data for gold analyses of sediments by SRL neutron activation were released in the GJBX-135(82) summary report. The introduction of that report states:
"This report contains previously unreported neutron-activation analyses of gold in sediment samples determined at SRL. These data were not included in the standard SRL NURE data reports because the gold spectrum was not measured in the original analytical procedure and the report format was designed without the gold analyses being included. Gold analyses became available as the analytical procedure was refined, but the report format was not modified to incorporate these data."
Only those sediment samples that had detectable concentrations of gold by neutron activation analysis were given in the GJBX-135(82) report. Sediment samples with concentrations below detection limits were not reported and can only be ascertained by identifying which samples were actually analyzed by neutron activation at SRL.
Summary Tables
Because of the various laboratories and analytical methods used, some SRL samples may have been analyzed once, twice, or not at all. The following table summarizes the analysis of Clarksburg quadrangle samples.
Laboratory Analysis | Sediments | Waters |
---|---|---|
Only SRL | 760 | 2,405 |
Both SRL and Supplemental Labs | 2 | 0 |
Only SRL Supplemental Lab | 1 | 0 |
Only ORGDP Lab | 171 | 0 |
Both SRL and ORGDP Labs | 23 | 0 |
None | 55 | 0 |
Total Samples | 1,012 | 2,405 |
Total Data Records | 1,035 | 2,405 |
The following is a list of all sample types collected and reported for NURE studies in the Clarksburg quadrangle.
Sediment Sample Type | Number of Samples | Water Sample Type | Number of Samples |
---|---|---|---|
Wet Streams | 1,012 | Streams | 1,009 |
Wells | 1,157 | ||
Springs | 239 | ||
Total Sediments | 1,012 | Total Waters | 2,405 |
These Clarksburg quadrangle samples were analyzed by one or more of the following methods:
Sediment Samples
Water Samples
Sediment Records
The Clarksburg quadrangle sediment data consist of reformatted records from the Ohio portion of the Illinois, Indiana, Kentucky, Tennessee, and Ohio Data Report [GJBX-105(82)], reformatted records from the West Virginia portion of the Delaware, Maryland, Virginia, and West Virginia Data Report [GJBX-103(82)], and reformatted records from the Pennsylvania portion of the Pennsylvania, New Jersey, and New York Data Report [GJBX-106(82)]. These records were compared and combined with records from the ORGDP Clarksburg and Columbus Quadrangles GJBX-79(82) Data Report. Site descriptive information and coordinates were compared for all corresponding records. The following problems were found and addressed during the reformatting process of the Clarksburg quadrangle sediment data:
Water Records
The Clarksburg quadrangle water data consist of reformatted records from the the Ohio portion of the Illinois, Indiana, Kentucky, Tennessee, and Ohio Data Report [GJBX-105(82)], reformatted records from the West Virginia portion of the Delaware, Maryland, Virginia, and West Virginia Data Report [GJBX-103(82)], and reformatted records from the Pennsylvania portion of the Pennsylvania, New Jersey, and New York Data Report [GJBX-106(82)]. The following problems were found and addressed during the reformatting process of the Clarksburg quadrangle water 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 web sites, 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).
Clarksburg Quadrangle Sediment Data - 1,031 records
Clarksburg Quadrangle Water Data - 2,399 records
In the eastern United States, SRL collected samples primarily by county. Often, not all counties within a quadrangle were completely sampled. Sample coverage in the Clarksburg quadrangle complete and includes samples from Athens, Belmont, Guernsey, Meigs, Monroe, Morgan, Muskingum, Noble, and Washington Counties in Ohio; Barbour, Calhoun, Doddridge, Gilmer, Harrison, Jackson, Lewis, Marion, Marshall, Mason, Monongalia, Pleasants, Ritchie, Taylor, Tyler, Upshur, Wetzel, Wirt, and Wood Counties in West Virginia; and Fayette, Greene, and Washington Counties in Pennsylvania. The laboratory and analytical methods used also may vary by county such that adjacent counties often have very different analytical coverage.
Fifty-five stream-sediment samples within the Clarksburg quadrangle were not analyzed by any of the various laboratories. The following table summarizes the locations of those unanalyzed samples.
State | County | Unanalyzed Samples | Total Samples |
---|---|---|---|
Ohio | Athens | 4 | 25 |
Ohio | Belmont | 3 | 38 |
Ohio | Guernsey | 10 | 27 |
Ohio | Muskingum | 17 | 30 |
Ohio | Noble | 14 | 62 |
Ohio | Washington | 4 | 81 |
West Virginia | Ritchie | 1 | 60 |
West Virginia | Taylor | 1 | 18 |
West Virginia | Wetzel | 1 | 47 |
None found.
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Frequently Asked Questions Concerning NURE Data
Home Page: USGS National Geochemical Database - NURE HSSR data
Page written by Bryan G. Moravec and Steven M. Smith.
Contact: Steven M. Smith (smsmith@usgs.gov)
Version 1.41: February 23, 2006
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