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Geochemical analyses of soils and sediments, Coeur d'Alène drainage basin, Idaho: Sampling, analytical methods, and results.

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Frequently-anticipated questions:

What does this data set describe?

Title:
Geochemical analyses of soils and sediments, Coeur d'Alène drainage basin, Idaho: Sampling, analytical methods, and results.
Abstract:
This report presents the results of over 1100 geochemical analyses of samples of soil and sediment from the Coeur d'Alène (CdA) drainage basin in northern Idaho. The location (in 3 dimensions) and a lithological description of each sample is included with the laboratory analytical data. Methods of sample location, collection, preparation, digestion and geochemical analysis are described. Five different laboratories contributed geochemical data for this report and the quality control procedures used by each laboratory are described. Comparison of the analytical accuracy and precision of each laboratory is given by comparing analyses of standard reference materials and of splits of CdA samples.
These geochemical data are presented in seven MS Excel tables and seven dBase4 tables. The seven dBase4 files allow users to more easily import these geochemical data into a GIS. Only one of these seven tables includes geospatial data AppendixB. However, in AppendixB there is a Site ID column that will allow users to link or join the matching Site Id columns in the six associated lithologic and geochemical tables.
Due to format constraints of dBase4, the column names (headers) had to be modified to a maximum of only ten ASCII characters. As a result, some of the dBase4 column header names can be rather cryptic. To assist dBase files users, this ten digit dBase4 column name is also found directly under the more descriptive column names found in the MS Excel tables packaged with this report. Additional formatting requirements such as changing the “below detection limit” symbol (<) to a negative symbol (-) were used to accurately display the data the dBase4 format.
Supplemental_Information:
This dataset consists of the following MS Excel 2000 spreadsheets and equivalent dBase4 files: 
AppendixB.xls, AppendixB.dbf: sample location and site description
AppendixC.xls, AppendixC.dbf: lithologic descriptions of samples
AppendixD.xls, AppendixD.dbf: USGS EDXRF Data
AppendixE.xls, AppendixE.dbf: EWU 4-acid ICP-MS, ICP-AES, and FAA Data
AppendixF.xls, AppendixF.dbf: CHEMEX nitric/aqua regia ICP-AES Data
AppendixG.xls, AppendixG.dbf: XRAL 4-acid ICP-AES Data
AppendixH.xls, AppendixH.dbf: ACZ microwave assisted nitric acid ICP-AES Data
  1. How should this data set be cited?

    Box, S.E., Bookstrom, A.A., Ikramuddin, M., and Lindsay, J., 2001, Geochemical analyses of soils and sediments, Coeur d'Alène drainage basin, Idaho: Sampling, analytical methods, and results.: U.S. Geological Survey Open-File Report 01-139, U.S. Geological Survey, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -116.73
    East_Bounding_Coordinate: -115.72
    North_Bounding_Coordinate: 47.58
    South_Bounding_Coordinate: 47.47

  3. What does it look like?

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

    Beginning_Date: 1993
    Ending_Date: 2000
    Currentness_Reference: Period when samples were collected

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

  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):

      • Point (144)

    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. Longitudes are given to the nearest 0.0001. Latitude and longitude values are specified in Decimal degrees.

  7. How does the data set describe geographic features?

    Append_B.dbf
    Table includes Site ID and its calculated latitude/longitude, sample environments, depositional units, sampling techniques, and different type of analytical methods used.

    SITE_ID
    Each sample location was given a unique identifier called a Site ID. This Site ID is given in all Appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) in parentheses. Text of width 10.

    LATITUDE
    Latitude in decimal degrees

    Range of values
    Minimum:47.3420
    Maximum:47.5714
    Units:decimal degrees
    Resolution:0.0001

    LONGITUDE
    Longitude in decimal degrees

    Range of values
    Minimum:-116.7258
    Maximum:-115.7321
    Units:decimal degrees
    Resolution:0.0001

    WTR_DEPTH
    Depth of water in meters where sample was taken. Blank if sample not taken under water.

    ValueDefinition
    (no value)sample not taken under water

    Range of values
    Minimum:0.1
    Maximum:5.9
    Units:meters
    Resolution:0.1

    APDX_MAPNO
    A regional map of the Coeur d'Alène River basin is shown as Figure 2 in this report. This regional map has 10 areas outlined to show the sample location maps along with their individual map number. These 10 location maps numbered Map A-1 through Map A-10 include all sample locations and are topographic based. The reader uses this data to determine on which map a sample is located.

    ValueDefinition
    MAP A-1 
    MAP A-2 
    MAP A-3 
    MAP A-4 
    MAP A-5 
    MAP A-6 
    MAP A-7 
    MAP A-8 
    MAP A-9 
    MAP A-10 

    LOC_METHOD
    Indicates one of the three methods of how the geographic location of the sample was determined.

    ValueDefinition
    amap (located by correspondence with feature on 1:24,000 topographic map)
    bcompass-and-tape (measured from GPS point)
    cglobal positioning system (GPS)

    ENVIRONMNT
    Description of the surficial environment in which thesample was collected.

    ValueDefinition
    Drained marsh 
    Exposed channel bar 
    Marsh 
    Miocene lake seds 
    Shallow lake 
    Subaerial dredge spoils 
    Subaerial floodplain 
    Submerged channel 

    UNIT_DESC
    Description of map unit in which the sample was collected.

    ValueDefinition
    Dredge spoils, palustrine, common reed 
    Dredge spoils, subaerial 
    Highland, Miocene seds. 
    Jig-era overbank sediments 
    Lacustrine, littoral 
    Palustrine, aquatic plants 
    Palustrine, distributary, blocked 
    Palustrine, emergent common reed 
    Palustrine, perennial 
    Palustrine, perennial, emergent plants 
    Palustrine, perennial, emergent rice 
    Palustrine, seasonal to perennial, drained 
    Palustrine, seasonal, bushes and trees 
    Palustrine, seasonal, drained, farmed 
    Palustrine, seasonal, emergent plants 
    Pre-mining era sediments in channel 
    River sand bar 
    River, gravel bottomed 
    Riverbank wedge 
    Riverine, high-water channel on terrace 
    Sand-bottomed river channel 
    Sandy gravels of the present channel 
    Seasonal marsh with emergent vegetation 
    Upland alluvial terrace 
    Upland levee sand 
    Upland meander scroll set 
    Upland meander scroll set, farmed 
    Upland sand splay 
    Upland, alluvial terrace 
    Upland, channel scar (filled with sediment) 
    Upland, distributary levee 
    Upland, levee backslope 
    Upland, levee of blocked distributary 
    Upland, levee of channel scar 
    Upland, levee of slough on terrace 
    Upland, levee sand 
    Upland, levee\palustrine, aquatic shore 
    Upland, lower terrace base at river shore 
    Upland, middle alluvial terrace 
    Upland, sand splay 
    Upland, upper alluvial terrace 

    UNIT_LABEL
    USGS map unit label

    ValueDefinition
    (no value) 
    Ads1 
    AdsPEcr 
    HMs 
    Jos 
    LltE 
    PA 
    Pcg 
    PdisbE 
    PEcr 
    PEp 
    PEph 
    PEpr 
    PEs 
    PESdf 
    Pespdf 
    PEsT 
    Rbw 
    Rg 
    Rhc 
    Rpm 
    Rs 
    Rscb 
    Uat1 
    Uat2 
    Uat3 
    Ucs 
    Ucsl 
    Udis 
    Udisb 
    Ulb 
    Uls 
    Ulso 
    Ulso\PA 
    Umsf 
    Uss 
    Ussc 

    REF_MAP
    These data indicate in which USGS report the two previous columns of data in this table (USGS map unit and USGS map unit description) were derived.

    ValueDefinition
    0not a geologic unit
    1Bookstrom,A.A., Box,S.E., Jackson,B.E., Brandt,T.R., Derkey,P.D., and Munts,S.R., 1999, Digital Map of Surficial Geology, Wetlands, and Deepwater Habitats, Coeur d'Alène River Valley, Idaho: U.S. Geological Survey Open-File Report 99-548.
    2Box,S.E., Bookstrom,A.A., and Kelley,W.N., 2001, Surficial Geology of the Valley of the South Fork of the Coeur d'Alène River, Idaho: U.S. Geological Survey Open-File Report (in prep).

    SAMP_TECH
    Indicates one of the 9 methods used to collect samples

    ValueDefinition
    0 
    1grab
    2groove
    3bucket auger
    4hand core
    5power core
    6vibro-core
    7vibro-piston core
    8auger in casing

    EDXRF
    Indicates if USGS EDXRF analyses were run on the samples collected. from this sample site.

    ValueDefinition
    (no value)none analyzed
    allall samples analyzed

    EWU-4-ACID
    Indicates if EWU 4-acid analyses were run on the samples collected. from this sample site.

    ValueDefinition
    (no value)none analyzed
    allall samples analyzed

    NITRIC-AQR
    Indicates if CHEMEX nitric-aqua regia analyses were run on the samples collected from this sample site.

    ValueDefinition
    (no value)none analyzed
    allall samples analyzed

    XRL-4-ACID
    Indicates if XRAL 4-acid analyses were run on the samples collected. from this sample site.

    ValueDefinition
    (no value)none analyzed
    allall samples analyzed
    somesome samples analyzed

    ACZ-NITRIC
    Indicates if ACZ nitric analyses were run on the samples collected. from this sample site.

    ValueDefinition
    (no value)none analyzed
    somesome samples analyzed

    Append_C.dbf
    This data set includes the depth interval (where appropriate) in which the sample was collected and a brief description of the lithology.

    SAMPLE_NO.
    Each sample location was given a unique identifier called a Site ID. This Site ID is given in all Appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) in parentheses. (text, width 19)

    SITE_ID
    This Site ID is equivalent to the Site ID in the AppendixB.xls Excel and AppendixB.dbf tables. (text, width 10)

    INT_TOP_CM
    The top of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:564
    Units:centimeters
    Resolution:1

    INT_BTM_CM
    The bottom of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:589
    Units:centimeters
    Resolution:1

    LITH_DESC
    A brief lithologic description of the sample interval. (text, width 205)

    Append_D.dbf
    This data set provides the analytical data for samples analyzed using EDXRF from USGS labs in Menlo Park, CA.

    SAMPLE_NO.
    Each sample location was given a unique identifier called a Site ID. This Site ID is given in all appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) in parentheses.

    SITE_ID
    This Site ID is equivalent to the Site ID in the AppendixB.xls Excel and AppendixB.dbf tables.

    INT_TOP_CM
    The top of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:251
    Units:centimeters
    Resolution:1

    INT_BTM_CM
    The bottom of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:291
    Units:centimeters
    Resolution:1

    OTHR_ANLYS
    Indicates which other laboratories also performed analyses on a split of this sample, and letter refers to the Appendix in which that data is given.

    ValueDefinition
    ----no other analyses
    EEWU
    E, FEWU and CHEMEX
    FCHEMEX
    F, GCHEMEX and XRAL

    CU_PPM
    The amount of copper detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:30
    Maximum:1650
    Units:PPM (weight)
    Resolution:1

    PB_PPM
    The amount of lead detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -40 

    Range of values
    Minimum:29
    Maximum:60600
    Units:PPM (weight)
    Resolution:1

    ZN_PPM
    The amount of zinc detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:38
    Maximum:14100
    Units:PPM (weight)
    Resolution:1

    Append_E.dbf
    This data set provides analytical data for samples using 4 acid dissolution, IPC-AES and IPC-MS from Eastern Washington University Geochemistry Lab EWU in Cheney, WA.

    SAMPLE_NO.
    Each sample location was given a unique identifier called a Site ID. This Site ID is given in all appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) in parenthesis.

    SITE_ID
    This Site ID is equivalent to the Site ID in the AppendixB.xls Excel and AppendixB.dbf tables.

    INT_TOP_CM
    The top of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:564
    Units:centimeters
    Resolution:1

    INT_BTM_CM
    The bottom of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:589
    Units:centimeters
    Resolution:1

    OTHR_ANLYS
    Indicates which other laboratories also performed analyses on a split of this sample, and letter refers to the Appendix in which that data is given.

    ValueDefinition
    (no value) 
    ---- 
    DUSGS-EDXRF
    D, FUSGS-EDXRF and CHEMEX
    FCHEMEX
    G, HXRAL and ACZ

    AG_PPM
    The amount of silver detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0.0
    Maximum:170.2
    Units:Parts per million by weight

    AL_%_
    The amount of aluminum detected in sample in percent (%) by weight.

    Range of values
    Minimum:2.1
    Maximum:8.2
    Units:Percent by weight

    AS_PPM
    The amount of arsenic detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:2
    Maximum:699
    Units:Parts per million by weight
    Resolution:1

    BA_PPM
    The amount of barium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:175
    Maximum:2023
    Units:Parts per million by weight
    Resolution:1

    BE_PPM
    The amount of beryllium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0.6
    Maximum:2.7
    Units:Parts per million by weight

    CA_%
    The amount of calcium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.00
    Maximum:0.97
    Units:Percent by weight

    CD_PPM
    The amount of cadmium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:-0.5
    Maximum:487.7
    Units:Parts per million by weight

    CE_PPM
    The amount of cerium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:90
    Units:Parts per million by weight
    Resolution:1

    CO_PPM
    The amount of cobalt detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:40
    Units:Parts per million by weight
    Resolution:1

    CR_PPM
    The amount of chromium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:126
    Units:Parts per million by weight
    Resolution:1

    CS_PPM
    The amount of cesium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:15
    Units:Parts per million by weight
    Resolution:1

    CU_PPM
    The amount of copper detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:11
    Maximum:946
    Units:Parts per million by weight
    Resolution:1

    FE_%
    The amount of iron detected in sample in percent (%) by weight.

    Range of values
    Minimum:1.58
    Maximum:28.46
    Units:Percent by weight

    GA_PPM
    The amount of gallium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:20
    Units:Parts per million by weight

    K_%
    The amount of potassium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.00
    Maximum:3.21
    Units:Percent by weight

    LA_PPM
    The amount of lanthanum detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:39
    Units:Parts per million by weight
    Resolution:1

    MG_%
    The amount of magnesium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.24
    Maximum:1.17
    Units:Percent by weight

    MN_PPM
    The amount of manganese detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:95
    Maximum:25996
    Units:Parts per million by weight
    Resolution:1

    MO_PPM
    The amount of molybdenum detected in sample in parts per million(ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:0
    Maximum:228
    Units:Parts per million by weight
    Resolution:1

    NI_PPM
    The amount of nickel detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:9
    Maximum:1384
    Units:Parts per million by weight
    Resolution:1

    P_PPM
    The amount of phosphorous detected in sample in parts per million(ppm) by weight.

    Range of values
    Minimum:0
    Maximum:1143
    Units:Parts per million by weight
    Resolution:1

    PB_PPM
    The amount of lead detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:19
    Maximum:69540
    Units:Parts per million by weight
    Resolution:1

    RB_PPM
    The amount of rubidium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:177
    Units:Parts per million by weight
    Resolution:1

    SB_PPM
    The amount of antimony detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:1
    Maximum:259
    Units:Parts per million by weight
    Resolution:1

    SN_PPM
    The amount of tin detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:0
    Maximum:23
    Units:Parts per million by weight
    Resolution:1

    SR_PPM
    The amount of strontium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:15
    Maximum:103
    Units:Parts per million by weight
    Resolution:1

    TH_PPM
    The amount of thorium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:4
    Maximum:20
    Units:Parts per million by weight
    Resolution:1

    TI_%
    The amount of titanium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.0416
    Maximum:0.2930
    Units:Percent by weight

    TL_PPM
    The amount of thallium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0.0
    Maximum:1.0
    Units:Parts per million by weight

    U_PPM
    The amount of uranium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:1.1
    Maximum:6.6
    Units:Parts per million by weight

    V_PPM
    The amount of vanadium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:16
    Maximum:85
    Units:Parts per million by weight
    Resolution:1

    W_PPM
    The amount of tungsten detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:0
    Maximum:214
    Units:Parts per million by weight
    Resolution:1

    Y_PPM
    The amount of Yttrium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:23
    Units:Parts per million by weight
    Resolution:1

    ZN_PPM
    The amount of zinc detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:54
    Maximum:32635
    Units:Parts per million by weight
    Resolution:1

    ZR_PPM
    The amount of zirconium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:100
    Units:Parts per million by weight
    Resolution:1

    Append_F.dbf
    This data set provides analytical data for samples analyzed using nitric acid-aqua regia dissolution and ICP-AES at CHEMEX Labs in Reno, Nevada.

    SAMPLE_NO.
    Each sample location was given a unique identifier called a Site ID.This Site ID is given in all Appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) inparentheses.

    SITE_ID
    This Site ID is equivalent to the Site ID in the AppendixB.xls Excel and AppendixB.dbf tables.

    INT_TOP_CM
    The top of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:251
    Units:centimeters
    Resolution:1

    INT_BTM_CM
    The bottom of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:291
    Units:centimeters
    Resolution:1

    SIZFRAC_MM
    Describes which size fraction of this sample that was analyzed. 0.83mm was used to remove the larger wooden sticks and leaves from the sample.

    ValueDefinition
    (no value) 
    0.25-2.0 
    0.063-0.25 
    <0.063 
    <0.83 

    WT%SIZFRAC
    Indicates the weight percent % of the analyzed size fraction relative to the bulk sample.

    Range of values
    Minimum:0
    Maximum:100
    Units:percent by weight
    Resolution:1

    OTHR_ANLYS
    Indicates which other laboratories also performed analyses on a split of this sample, and letter refers to the Appendix in which that data is given.

    ValueDefinition
    ---- 
    DUSGS-EDXRF
    D, EUSGS-EDXRF and EWU
    D, GUSGS-EDXRF and XRAL
    EEWU

    AG_PPM
    The amount of silver detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:-0.2
    Maximum:171.0
    Units:Parts per million by weight

    AL_%
    The amount of aluminum detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.30
    Maximum:3.65
    Units:Percent by weight

    AS_PPM
    The amount of arsenic detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:2
    Maximum:1095
    Units:Parts per million by weight
    Resolution:1

    BA_PPM
    The amount of barium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:40
    Maximum:1020
    Units:Parts per million by weight
    Resolution:1

    BE_PPM
    The amount of beryllium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:-0.5
    Maximum:1.0
    Units:Parts per million by weight

    BI_PPM
    The amount of bismuth detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -2 

    Range of values
    Minimum:2
    Maximum:2
    Units:Parts per million by weight
    Resolution:1

    CA_%
    The amount of calcium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.03
    Maximum:7.37
    Units:Percent by weight

    CD_PPM
    The amount of cadmium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:-0.5
    Maximum:95.0
    Units:Parts per million by weight

    CO_PPM
    The amount of cobalt detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:2
    Maximum:197
    Units:Parts per million by weight
    Resolution:1

    CR_PPM
    The amount of chromium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:2
    Maximum:756
    Units:Parts per million by weight
    Resolution:1

    CU_PPM
    The amount of copper detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:12
    Maximum:836
    Units:Parts per million by weight
    Resolution:1

    FE_%
    The amount of iron detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.00
    Maximum:14.90
    Units:Percent by weight

    GA_PPM
    The amount of gallium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -10 

    Range of values
    Minimum:10
    Maximum:30
    Units:Parts per million by weight
    Resolution:10

    HG_PPM
    The amount of mercury detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:1
    Maximum:20
    Units:Parts per million by weight
    Resolution:1

    K_%
    The amount of potassium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.06
    Maximum:1.08
    Units:Percent by weight

    LA_PPM
    The amount of lanthanum detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -10 

    Range of values
    Minimum:10
    Maximum:40
    Units:Parts per million by weight
    Resolution:10

    MG_%
    The amount of magnesium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.07
    Maximum:0.72
    Units:Percent by weight

    MN_PPM
    The amount of manganese detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:9800
    Units:Parts per million by weight
    Resolution:1

    MO_PPM
    The amount of molybdenum detected in sample in parts per million(ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:1
    Maximum:56
    Units:Parts per million by weight
    Resolution:1

    NA_%
    The amount of sodium detected in sample in parts per million (%) by weight.

    Range of values
    Minimum:-0.01
    Maximum:0.25
    Units:Percent by weight

    NI_PPM
    The amount of nickel detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:4
    Maximum:89
    Units:Parts per million by weight
    Resolution:1

    P_PPM
    The amount of phosphorous detected in sample in parts per million(ppm) by weight.

    Range of values
    Minimum:80
    Maximum:1710
    Units:Parts per million by weight
    Resolution:1

    PB_PPM
    The amount of lead detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:9770
    Units:Parts per million by weight
    Resolution:1

    SB_PPM
    The amount of antimony detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -2 

    Range of values
    Minimum:2
    Maximum:228
    Units:Parts per million by weight
    Resolution:1

    SC_PPM
    The amount of scandium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:1
    Maximum:7
    Units:Parts per million by weight
    Resolution:1

    SR_PPM
    The amount of strontium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:4
    Maximum:1235
    Units:Parts per million by weight
    Resolution:1

    TI_%
    The amount of titanium detected in sample in percent (%) by weight.

    Range of values
    Minimum:-0.01
    Maximum:0.08
    Units:Percent by weight

    TL_PPM
    The amount of thallium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -10 

    Range of values
    Minimum:10
    Maximum:10
    Units:Parts per million by weight
    Resolution:10

    U_PPM
    The amount of uranium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -10 

    Range of values
    Minimum:10
    Maximum:20
    Units:Parts per million by weight
    Resolution:10

    V_PPM
    The amount of vanadium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:1
    Maximum:45
    Units:Parts per million by weight
    Resolution:1

    W_PPM
    The amount of tungsten detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -10 

    Range of values
    Minimum:10
    Maximum:70
    Units:Parts per million by weight
    Resolution:10

    ZN_PPM
    The amount of zinc detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0
    Maximum:9882
    Units:Parts per million by weight
    Resolution:1

    Append_G.dbf
    This data set provides analytical data for samples analyzed using4 acid dissolution and ICP-AES at XRAL Labs in Golden, CO.

    SAMPLE_NO.
    Each sample location was given a unique identifier called a Site ID.This Site ID is given in all Appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) inparentheses.

    SITE_ID
    This Site ID is equivalent to the Site ID in the AppendixB.xls Excel and AppendixB.dbf tables.

    INT_TOP_CM
    The top of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:415
    Resolution:1

    INT_BTM_CM
    The bottom of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:4
    Maximum:423
    Resolution:1

    OTHR_ANLYS
    Indicates which other laboratories also performed analyses on a split of this sample, and letter refers to the Appendix in which that data is given.

    ValueDefinition
    ---- 
    D, FUSGS-EDXRF and CHEMEX
    E, HEWU and ACZ

    AG_PPM
    The amount of silver detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -2 

    Range of values
    Minimum:2
    Maximum:103
    Units:Parts per million by weight
    Resolution:1

    AL_%
    The amount of aluminum detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.0
    Maximum:9.4
    Units:Percent by weight

    AS_PPM
    The amount of arsenic detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -10 

    Range of values
    Minimum:10
    Maximum:733
    Units:Parts per million by weight
    Resolution:1

    AU_PPM
    The amount of gold detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -8 

    BA_PPM
    The amount of barium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:279
    Maximum:1720
    Units:Parts per million by weight
    Resolution:1

    BE_PPM
    The amount of beryllium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:1
    Maximum:3
    Units:Parts per million by weight
    Resolution:1

    BI_PPM
    The amount of bismuth detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -50 

    CA_%
    The amount of calcium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.084
    Maximum:1.925
    Units:Percent by weight

    CD_PPM
    The amount of cadmium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -2 

    Range of values
    Minimum:2
    Maximum:262
    Units:Parts per million by weight
    Resolution:1

    CE_PPM
    The amount of cerium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:32
    Maximum:142
    Units:Parts per million by weight
    Resolution:1

    CO_PPM
    The amount of cobalt detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:3
    Maximum:290
    Units:Parts per million by weight
    Resolution:1

    CR_PPM
    The amount of chromium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:22
    Maximum:374
    Units:Parts per million by weight
    Resolution:1

    CU_PPM
    The amount of copper detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:8
    Maximum:695
    Units:Parts per million by weight
    Resolution:1

    EU_PPM
    The amount of europium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -2 

    Range of values
    Minimum:2
    Maximum:5
    Units:Parts per million by weight
    Resolution:1

    FE_%
    The amount of iron detected in sample in percent (%) by weight.

    Range of values
    Minimum:1.12
    Maximum:17.70
    Units:Percent by weight

    GA_PPM
    The amount of gallium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -4 

    Range of values
    Minimum:4
    Maximum:45
    Units:Parts per million by weight
    Resolution:1

    HO_PPM
    The amount of holmium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -4 

    Range of values
    Minimum:4
    Maximum:7
    Units:Parts per million by weight
    Resolution:1

    K_%
    The amount of potassium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.75
    Maximum:3.21
    Units:Percent by weight

    LA_PPM
    The amount of lanthanum detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:14
    Maximum:66
    Units:Parts per million by weight
    Resolution:1

    LI_PPM
    The amount of lithium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:11
    Maximum:52
    Units:Parts per million by weight
    Resolution:1

    MG_%
    The amount of magnesium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.240
    Maximum:0.920
    Units:Percent by weight

    MN_PPM
    The amount of manganese detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:46
    Maximum:22450
    Units:Parts per million by weight
    Resolution:1

    MO_PPM
    The amount of molybdenum detected in sample in percent (%) by weight.

    ValueDefinition
    -2 

    Range of values
    Minimum:2
    Maximum:31
    Units:Percent by weight
    Resolution:1

    NA_%
    The amount of sodium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.090
    Maximum:2.831
    Units:Percent by weight

    NB_PPM
    The amount of niobium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -4 

    Range of values
    Minimum:4
    Maximum:17
    Units:Parts per million by weight
    Resolution:1

    ND_PPM
    The amount of neodymium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:15
    Maximum:85
    Units:Parts per million by weight
    Resolution:1

    NI_PPM
    The amount of nickel detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -3 

    Range of values
    Minimum:3
    Maximum:43
    Units:Parts per million by weight
    Resolution:1

    P_PPM
    The amount of phosphorous detected in sample in parts per million(ppm) by weight.

    Range of values
    Minimum:0.008
    Maximum:0.175
    Units:Parts per million by weight

    PB_PPM
    The amount of lead detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:4
    Maximum:34950
    Units:Parts per million by weight
    Resolution:1

    SC_PPM
    The amount of scandium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:3
    Maximum:15
    Units:Parts per million by weight
    Resolution:1

    SN_PPM
    The amount of tin detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -50 

    SR_PPM
    The amount of strontium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:16
    Maximum:257
    Units:Parts per million by weight
    Resolution:1

    TA_PPM
    The amount of tantalum detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -40 

    TH_PPM
    The amount of thorium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -6 

    Range of values
    Minimum:6
    Maximum:22
    Units:Parts per million by weight
    Resolution:1

    TI_PPM
    The amount of titanium detected in sample in percent (%) by weight.

    Range of values
    Minimum:0.0630
    Maximum:0.4130
    Units:Percent by weight

    U_PPM
    The amount of uranium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -100 

    Range of values
    Minimum:104
    Maximum:179
    Units:Parts per million by weight
    Resolution:1

    V_PPM
    The amount of vanadium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:9
    Maximum:80
    Units:Parts per million by weight
    Resolution:1

    Y_PPM
    The amount of Yttrium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:6
    Maximum:36
    Units:Parts per million by weight
    Resolution:1

    YB_PPM
    The amount of ytterbium detected in sample in parts per million (ppm) by weight.

    ValueDefinition
    -1 

    Range of values
    Minimum:1
    Maximum:4
    Units:Parts per million by weight
    Resolution:1

    ZN_PPM
    The amount of zinc detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:34
    Maximum:20890
    Units:Parts per million by weight
    Resolution:1

    Append_H.dbf
    This data set provides analytical data for samples analyzedusing nitric acid dissolution and ICP-AES at ACZ Laboratories inSteamboat Springs, CO.

    SAMPLE_NO.
    Each sample location was given a unique identifier called a Site ID.This Site ID is given in all Appendices. Each sample from a given Site ID is given a unique Sample NO. which begins with the Site ID followed by the sample depth interval (in centimeters) inparentheses.

    SITE_ID
    This Site ID is equivalent to the Site ID in the AppendixB.xls Excel and AppendixB.dbf tables.

    INT_TOP_CM
    The top of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:0
    Maximum:415
    Units:centimeters
    Resolution:1

    INT_BTM_CM
    The bottom of the depth interval, in centimeters below the ground surface, from which the sample was collected. If no depth interval is given, refer to the lithologic description of the particular sample.

    Range of values
    Minimum:12
    Maximum:423
    Units:centimeters
    Resolution:1

    OTHR_ANLYS
    Indicates which other laboratories also performed analyses on a split of this sample, and letter refers to the Appendix in which that data is given.

    ValueDefinition
    E,GEWU and XRAL

    AS_PPM
    The amount of arsenic detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0.0
    Maximum:433.0
    Units:Parts per million by weight

    CD_PPM
    The amount of cadmium detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:0.0
    Maximum:174.0
    Units:Parts per million by weight

    FE_%
    The amount of iron detected in sample in percent (%) by weight.

    Range of values
    Minimum:1.1
    Maximum:19.3
    Units:Percent by weight

    PB_PPM
    The amount of lead detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:26.3
    Maximum:35800.0
    Units:Parts per million by weight

    MN_PPM
    The amount of manganese detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:73.8
    Maximum:24300.0
    Units:Parts per million by weight

    ZN_PPM
    The amount of zinc detected in sample in parts per million (ppm) by weight.

    Range of values
    Minimum:64.8
    Maximum:27100.0
    Units:Parts per million by weight

  8. What are the components of this data set?

    Appendix B (file, Excel and dBase format)
    Latitude longitude coordinates in decimal degrees for each sample site, environment, depositional map units, sampling techniques, site location method, water depth, and analytical methods used. The Site ID in this table relates to the Site ID in all of the accompanying Excel and dBase tables.
    Appendix C (file, Excel and dBase format)
    Lithologic description and sample depth interval of each sample.
    Appendix D (file, Excel and dBase format)
    Geochemistry results of the samples analyzed using energy dispersive Xray-fluorescence (EDXRF) methods at USGS labs in Menlo Park, CA.
    Appendix E (file, Excel and dBase format)
    Geochemistry results of samples analyzed using 4 acid dissolution, ICP-AES and ICP-MS at Eastern Washington University Geochemistry Lab Cheney, WA.
    Appendix F (file, Excel and dBase format)
    Geochemistry results of samples analyzed using nitric acid-aqua regia dissolution and ICP-AES at CHEMEX Labs in Reno, Nevada.
    Appendix G (file, Excel and dBase format)
    Geochemistry results of samples analyzed using 4 acid dissolution and IPC-AES at XRAL Labs in Golden, CO.
    Appendix H (file, Excel and dBase format)
    Geochemistry results of samples analyzed using nitric acid dissolution and IPC-AES at ACZ Laboratories in Steamboat Springs, CO.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

  3. To whom should users address questions about the data?

    Stephen E. Box
    U.S. Geological Survey
    Geologist
    904 W. Riverside Ave., Rm. 202
    Spokane, Washington 99201
    U.S.A.

    509-368-3100 or 509-368-3106 (voice)
    509-368-3199 (FAX)
    sbox@usgs.gov

    Contact_Instructions: General office phone is 509-368-3100

Why was the data set created?

This report was prepared to document the chemical composition of sediments and soils in the Coeur d'Alène (CdA) drainage basin in northern Idaho. These compositions are of interest because of the potential for human and wildlife health impacts from high metal contents of some sediments and soils from over 100 years of mining activity.

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: 1998 (process 1 of 1)
    Appendices B through H were compiled by manually entering hardcopy geochemistry data that was provided by each laboratory to complete the tables. All data sets (AppendixB.xls through AppendixH.xls) were created in MS Excelâ as worksheets. We then converted our sample site location table (AppendixB.xls), with its associated geospatial data, into a dBase4 file. Digital Raster Graphics (DRGs), Digital Orthophoto Quarter Quadrangles (DOQQs) and our sample location Table (AppendixB.dbf) were imported into ArcView® to verify the sample locations of our geochemical data.
    Sample site locations were noted on 1:24,000 topographic maps used in the field. The latitude and longitude of each sample site was then measured from the coordinate grid of the topographic base map (in degrees, minutes, and seconds). These coordinates were arithmetically converted to decimal degrees (to 4 decimal places), and used to construct computer-generated maps of sample locations, plotted on digital topographic maps.

    Person who carried out this activity:

    Stephen E. Box
    U.S. Geological Survey
    Geologist
    904 W. Riverside Ave., Rm 202
    Spokane, WA 99201
    USA

    509.368.3106 (voice)
    509.368.3199 (FAX)
    sbox@usgs.gov

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

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

  1. How well have the observations been checked?

    Attribute accuracy was verified by manual comparison of the source data with hardcopy printouts, x-y plots and on screen evaluations.

  2. How accurate are the geographic locations?

    Beginning in 1993, samples were collected from selected sites on modern floodplains of the South Fork and its tributaries, the lowermost North Fork, the main stem of the Cd'A River, and one site on the lower St. Joe River, in north Idaho. Sample sites were plotted on 1:24,000-scale topographic maps by matching identifiable features on the map to corresponding features on the ground, and (or) by measuring or triangulating from such features. Locations are considered accurate to within about 50 ft. depending on the distinctiveness of the site and (or) its distance from features recognized on both the ground and the map (Appendix B, site-location method "a"). The latitude and longitude of each sample site was then measured from the coordinate grid of the topographic base map (in degrees, minutes, and seconds). These coordinates were arithmetically converted to decimal degrees (to 4 decimal places), and used to construct computer-generated maps of sample locations, plotted on digital topographic maps.
    Reference locations on riverbanks at opposite ends of river-channel drill transects were staked and flagged. The reference locations were marked on 1:24,000-scale maps, as described above. Drill holes in the channel of the river were located by compass-and-tape measurements from the reference locations. Cross-sectional sketches, showing the measurements were made in field notebooks. Sample sites along on-shore extensions of the river transects were located by compass-and-tape measurements from the reference locations (Appendix B, site-location method "b").
    Beginning in 1996, sample sites were located with the NAVSTAR Global Positioning System (GPS) Precise Positioning Service (PPS), using a PLGR receiver for Federal Civilian Users (Appendix B, site-location method "c"). Locations determined in this way are considered accurate to within about 10m (33 ft).

  3. How accurate are the heights or depths?

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

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

    Point data is given in latitude longitude (decimal degrees).

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:
Any hardcopies utilizing these data sets shall clearly indicate their source. If the user has modified the data in any way they are obligated to describe the type of modifications they have performed. User specifically agrees not to misrepresent these data sets, nor to imply that changes they made were approved by the U.S. Geological Survey.

  1. Who distributes the data set? (Distributor 1 of 1)

    Stephen E. Box
    U.S. Geological Survey
    Geologist
    904 W. Riverside Ave., Rm 202
    Spokane, WA 99201
    USA

    509.368.3106 (voice)
    509.368.3199 (FAX)
    sbox@usgs.gov

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

  3. What legal disclaimers am I supposed to read?

    The U.S. Geological Survey (USGS) provides this data "as is." 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?

Who wrote the metadata?

Dates:
Last modified: 13-Apr-2001
Last Reviewed: 28-Sep-2001
Metadata author:
Stephen E. Box
U.S. Geological Survey
Geologist
W. 904 Riverside Avenue, Room 202
Spokane, Washington 99201
USA

509-368-3106 (voice)
509-368-3199 (FAX)
sbox@usgs.gov

Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)
Metadata extensions used:

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