Tag

geochemical

4 datasets
  • National Geochemical Survey Database

    Offsite — National-scale geochemical analysis of stream sediments and soils in the US, from existing data, reanalysis of existing samples, and new sampling. Goal for sample density is one per 289 square km. Additional facts from data.gov Dataset Summary Date Released: 2004 Date Updated: 2008 Time Period: data obtained through 2007 Data.gov Data Category Type: Raw Data Catalog ...
  • Geochemistry of Sediments in the US from the (NURE-HSSR) Database

    Offsite — Geochemical analyses of sediment samples throughout the U.S. collected by the hydrogeochemical and stream sediment reconnaissance (HSSR) phase of the National Uranium Resource Evaluation (NURE) program. This database contains 397,625 records. Additional facts from data.gov Dataset Summary Date Released: 1997 Date Updated: 2004 Time Period: data collection through 1980 ...
  • Mineral Resource Data System

    Offsite — MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references. It includes the original MRDS and MAS/MILS data. Additional facts from data.gov Dataset Summary Date Released: 1996 Date Updated: 2009 Time Period: ...
  • Geochemistry of Soils from the PLUTO Database

    Offsite — Geochemical data for soils collected in the United States and analyzed by the USGS. The data were originally entered into the in-house PLUTO database. This is a subset of DDS-47. Additional facts from data.gov Dataset Summary Date Released: 1998 Date Updated: 2001 Time Period: samples collected 1960-1995 Data.gov Data Category Type: Raw Data Catalog Frequency: none ...