Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes project pilot study

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Frequently anticipated questions:


What does this data set describe?

Title:
Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes project pilot study
Abstract:
Regional-scale geochemical survey designed to serve as a baseline for further analyses, and to understand effects of historical mining in the area.
  1. How might this data set be cited?
    Morrison, Jean M., Goldhaber, Martin B., Holloway, JoAnn M., and Smith, David B., 2008, Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes project pilot study: Open-File Report 2008-1306, Geological Survey (U.S.), Reston, Virginia.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -123.192250
    East_Bounding_Coordinate: -119.934444
    North_Bounding_Coordinate: 39.342500
    South_Bounding_Coordinate: 37.829100
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 2008
    Currentness_Reference:
    publication date
  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):
      • Entity point (1791)
    2. What coordinate system is used to represent geographic features?
      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitude and longitude values are specified in decimal degrees. The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.
  7. How does the data set describe geographic features?
    soil_data.dbf
    Major and trace element geochemical data for soils
    LAB_NO
    Laboratory identification number
    FIELD_NO
    Field sample identification number
    LATITUDE
    Geographic latitude in decimal degrees
    LONGITUDE
    Geographic longitude in decimal degrees
    COUNTY
    Name of the county from which the sample was taken
    DATE
    Date sample was collected (m/d/yy)
    HORIZON
    Soil horizon from which the sample was taken
    DEPTH_CM
    Sample depth in cm
    DEPTH_IN
    Sample depth in inches
    SIEVED
    Sieve size fraction used in the analyses
    PARENT
    Type of geologic material from which the soil formed
    AL_ICP16
    Aluminum measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    CA_ICP16
    Calcium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    FE_ICP16
    Iron measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    K_ICP16
    Potassium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    MG_ICP16
    Magnesium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    NA_ICP16
    Sodium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    P_ICP16
    Phosphorus measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    SI_ICP16
    Silicon measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    TI_ICP16
    Titanium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    BA_ICP16
    Barium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    CR_ICP16
    Chromium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    MN_ICP16
    Manganese measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    NB_ICP16
    Niobium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    SR_ICP16
    Strontium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    Y_ICP16
    Yttrium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    ZR_ICP16
    Zirconium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
    AL_ICP42
    Aluminum measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CA_ICP42
    Calcium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    FE_ICP42
    Iron measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    K_ICP42
    Potassium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    MG_ICP42
    Magnesium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    NA_ICP42
    Sodium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    S_ICP42
    Sulfur measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    TI_ICP42
    Titanium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    AG_ICP42
    Silver measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    AS_ICP42
    Arsenic measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    BA_ICP42
    Barium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    BE_ICP42
    Beryllium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    BI_ICP42
    Bismuth measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CD_ICP42
    Cadmium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CE_ICP42
    Cerium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CO_ICP42
    Cobalt measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CR_ICP42
    Chromium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CS_ICP42
    Cesium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    CU_ICP42
    Copper measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    GA_ICP42
    Gallium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    IN_ICP42
    Indium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    LA_ICP42
    Lanthanum measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    LI_ICP42
    Lithium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    MN_ICP42
    Manganese measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    MO_ICP42
    Molybdenum measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    NB_ICP42
    Niobium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    NI_ICP42
    Nickel measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    P_ICP42
    Phosphorus measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    PB_ICP42
    Lead measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    RB_ICP42
    Rubidium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    SB_ICP42
    Antimony measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    SC_ICP42
    Scandium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    SN_ICP42
    Tin measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    SR_ICP42
    Strontium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    TE_ICP42
    Tellurium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    TH_ICP42
    Thorium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    TL_ICP42
    Thallium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    U_ICP42
    Uranium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    V_ICP42
    Vanadium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    W_ICP42
    Tungsten measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    Y_ICP42
    Yttrium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    ZN_ICP42
    Zinc measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
    SE_HYD
    Selenium measured using Hydride-generation atomic absorption spectrophotometry,
    ORGANIC_C
    Organic carbon
    CARB_C
    Carbonate carbon
    TOTAL_C
    Total carbon
    table1.dbf
    Elements and their upper and lower reporting limits determined by 4-acid digestion/ICP-MS/AES
    ELEMEMT
    Chemical species
    LIMIT_LOW
    Lower detection limit
    LIMIT_UP
    Upper detection limit
    table2.dbf
    Elements and their upper and lower reporting limits determined by 4-acid digestion/ICP-MS/AES
    ELEMEMT
    Chemical species
    LIMIT_LOW
    Lower detection limit
    LIMIT_UP
    Upper detection limit

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Morrison, Jean M.
    • Goldhaber, Martin B.
    • Holloway, JoAnn M.
    • Smith, David B.
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    David B Smith
    USGS CR RM GD
    Research Geologist
    Box 25046$Denver Federal Center$Mail Stop 973
    Denver, CO
    USA

    303-236-1849 (voice)
    303-236-3200 (FAX)
    dsmith@usgs.gov

Why was the data set created?

Provide a better understanding of the variability in chemical composition of soils in North America. The data produced by this survey will be used to construct baseline geochemical maps for regions within the continent.

How was the data set created?

  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
  3. What similar or related data should the user be aware of?
    Smith, David B., Cannon, William F., Woodruff, Laurel G., Garrett, Robert G., Klassen, Rodney, Kilburn, James E., Horton, John D., King, Harley D., Goldhaber, Martin B., and Morrison, Jean M., 2005, Major- and Trace-Element Concentrations in Soils from Two Continental-Scale Transects of the United States and Canada: U.S. Geological Survey Open-File Report 2005-1253, U.S. Geological Survey, Reston, Virginia.

    Online Links:


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


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
    USA

    1-888-ASK-USGS (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 2008-1306
  3. What legal disclaimers am I supposed to read?
    This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards (or with the North American Stratigraphic Code). Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 10-Jun-2016
Metadata author:
Peter N Schweitzer
USGS Midwest Area
Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/
Mail Stop 954
12201 Sunrise Valley Dr
Reston, VA
USA

703-648-6533 (voice)
703-648-6252 (FAX)
pschweitzer@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

This page is <https://geo-nsdi.er.usgs.gov/metadata/open-file/2008/1306/metadata.faq.html>
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