87 datasets found
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Federal
Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative (ver. 12.0, December 2025)
Department of the Interior —
The geochemical data included here were generated as part of the Earth Mapping Resources Initiative (Earth MRI), which was developed by the U.S. Geological Survey... -
Federal
Alaska Geochemical Database Version 4.0 (AGDB4) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
Department of the Interior —
The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for... -
Federal
Soil carbon and plant cover data for uninvaded and cheatgrass invaded sites in Grand Junction, Colorado and Rock Springs, Wyoming
Department of the Interior —
Soil data includes carbon (total, organic, mineral-associated, particulate-organic) and texture. Bulk density data includes bulk density values used to calculate... -
Federal
Qualitative Mineral Identification from X-ray Diffraction of Size Fractions and Heavy Mineral Separates from Field Samples near Hinkley, California
Department of the Interior —
Splits of samples were prepared of heavy mineral separates and bulk separates less than 2mm for analysis using X-ray diffraction (XRD) and results were interpreted to... -
Federal
Laboratory measurements of soil properties for core samples near a dry well and Four-plex baseball field, Fort Irwin National Training Center, San Bernardino County, California, 2019-2020
Department of the Interior —
As part of a research study in cooperation with the U.S. Environmental Protection Agency (EPA) and the U.S. Army at Fort Irwin National Training Center, the U.S.... -
Federal
Statewide survey of shallow soil concentrations of per- and polyfluoroalkyl substances (PFAS) and related chemical and physical data across New Hampshire, 2021
Department of the Interior —
Per- and polyfluoroalkyl substances (PFAS) and related chemical and physical data are presented from 100 shallow soil sampling locations within the State of New... -
Federal
Bayesian modeling of NURE airborne radiometric data for the conterminous United States: predictions and grids
Department of the Interior —
This data release includes estimates of potassium (K), equivalent uranium (eU), and equivalent thorium (eTh) for the conterminous United States derived from the U.S.... -
Federal
Data Collected to Evaluate Sources, Fate, and Mobility of Per- and Polyfluoroalkyl Substances (PFAS) at Cannon Air Force Base, New Mexico
Department of the Interior —
Soil, soil porewater, groundwater, and playa lake sediment samples were collected between September 2021 and November 2023 at Cannon Air Force Base (CAFB) in eastern... -
Federal
Soil Methane and Combustible Gas Concentrations from Oil-Gas Well Pads in Utah, U.S.A.
Department of the Interior —
Soil gas methane and combustible gas concentrations collected from oil and gas well pad locations in Utah. Soil gas samples were measured on site and/or collected for... -
Federal
Broad-scale assessment of biophysical features in Colorado: Soil salinity using electrical conductance
Department of the Interior —
This dataset “Broad-scale assessment of biophysical features in Colorado: Soil salinity using electrical conductance” presents information extracted from the Natural... -
Federal
Partial release of iron, alkalinity, and oxygen data from Bemidji crude oil site, Minnesota 1993-2016
Department of the Interior —
In a crude-oil-contaminated sandy aquifer at the Bemidji site in northern Minnesota, biodegradation of petroleum hydrocarbons resulted in transient increases in... -
Federal
Whole rock, soil, sediment, x-ray diffraction, and electron microprobe analyses of samples from the Orange Hill-Bond Creek area, Nabesna Quadrangle, Alaska
Department of the Interior —
This data release includes geochemical, x-ray diffraction mineralogical, and electron probe microanalysis (EPMA) data on rocks, soils, and sediments collected near... -
Federal
Harmonizing wetland soil organic carbon datasets to improve spatial representation of 2011 soil carbon stocks in the conterminous United States
Department of the Interior —
These datasets represent a revised national scale estimate of wetland soil carbon stock assessments by improving representation of soil organic carbon densities. This... -
Federal
Field portable X-ray fluorescence and associated quality-control data for paint chips sampled from selected sites in Lakeport, Lake County, California
Department of the Interior —
This data -release component documents field portable X-ray fluorescence (pXRF) measurements of lead and associated quality-control data for 19 samples of paint chips... -
Federal
Concentrations of tetrachloroethylene in interpolated soil surface boundary points at the Vienna Wells Site: Maries County, Missouri.
Department of the Interior —
Concentrations of tetrachloroethylene (PCE) in interpolated soil surface boundary points at the Vienna Wells Site: Maries County, Missouri. This boundary is composed... -
Federal
Alaska Geochemical Database Version 3.0 (AGDB3) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
Department of the Interior —
The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one best value determination... -
Federal
Collection, analysis, and age-dating of sediment cores from mangrove wetlands in San Juan Bay Estuary, Puerto Rico, 2016
Department of the Interior —
The San Juan Bay Estuary, Puerto Rico, contains mangrove forests that store significant amounts of organic carbon in soils and biomass. There is a strong urbanization... -
Federal
Elemental chemistry, radionuclides, and charcoal in watershed soil and reef sediment at Olowalu, Maui, 2022
Department of the Interior —
Fine-sediment elemental chemistry, short-lived cosmogenic radionuclides (Beryllium-7, Cesium-137, and Lead-210), charcoal counts, and total organic carbon contents... -
Federal
Field-scale investigation of per- and polyfluoroalkyl substances (PFAS) leaching from shallow soils to groundwater at two sites in New Hampshire, 2021-2022
Department of the Interior —
Per- and polyfluoroalkyl substances (PFAS) and related chemical and physical data are presented from shallow soil and groundwater at two sites in New Hampshire. The... -
Federal
Collection, Analysis, and Age-Dating of Sediment Cores from Salt Marshes on the South Shore of Cape Cod, Massachusetts, From 2013 Through 2014
Department of the Interior —
The accretion history of fringing microtidal salt marshes located on the south shore of Cape Cod, Massachusetts, was reconstructed from sediment cores collected in...
87 datasets found