-
Federal
Tellurium Deposits in the United States
Department of the Interior —
This data release provides the description of U.S. sites that include mineral regions, mines and mineral occurrences (deposits) that have a contained resource and... -
Federal
Geochemical analyses of bauxite and associated rocks from the Arkansas bauxite region, central Arkansas
Department of the Interior —
This data release compiles major and trace element analytical results of samples of bauxite (aluminum ore) and associated rocks collected from the Arkansas bauxite... -
Federal
Geochemical and mineralogical analyses of uranium ores from the Hack II and Pigeon deposits, solution-collapse breccia pipes, Grand Canyon region, Mohave and Coconino Counties, Arizona, USA
Department of the Interior —
This data release compiles the whole-rock geochemistry, X-ray diffraction, and electron microscopy analyses of samples collected from the uranium ore bodies of two... -
Federal
Environmental Sampling and Modeling Results to Characterize Surface-Water Quality at 32 Sites Across the Potomac River Watershed, 2022 (ver. 3.0, April 2025)
Department of the Interior —
This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of... -
Federal
Select Groundwater-Quality and Quality-Control Data from the National Water-Quality Assessment Project 2019 to Present (ver. 4.0, April 2025)
Department of the Interior —
Groundwater samples were collected and analyzed from 1,015 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National... -
Federal
Geochemical data for carbonatite samples from the Mountain Pass rare earth element deposit, southeast California
Department of the Interior —
This data release contains whole-rock major, minor, and trace element geochemical data for carbonatite samples from the Mountain Pass rare earth element (REE) deposit... -
Federal
Geochemistry data for the USGS Gulf Coast #1 West Woodway core - A thermally immature core of the Eagle Ford Group in central Texas (ver. 1.1, April 2025)
Department of the Interior —
Petroleum source rocks deposited during Cenomanian – Turonian time (late Cretaceous) are major generators of continuous and conventional oil and gas resources in the... -
Federal
Whole-rock geochemistry for Eocene volcanic rocks of the Toutle 7.5-minute quadrangle, Washington
Department of the Interior —
This data release contains geochemical data for 52 rock samples collected by Russell C. Evarts and colleagues from 1992 to 1999 to support geologic mapping of the... -
Federal
Initial core data of 2018 sediment cores from Lake Powell, Utah
Department of the Interior —
This section of the data release includes drillhole information in the format of a comma-separated value (CSV) file (2018LakePowellCoring_DrillholeInfo.csv). It is... -
Federal
Geochemical analyses of rock samples collected from the Dotson and I and L rare earth element deposits of the Bokan Mountain peralkaline igneous complex, Prince of Wales Island, southeastern Alaska
Department of the Interior —
This data release presents the major and trace element chemistry of rock samples collected by the U.S. Geological Survey (USGS) from trenches, channel cuts, test... -
Federal
Quality-Assurance Data
Department of the Interior —
These data contain concentrations of major and trace elements in quality-assurance samples.These are the machine-readable versions of Tables 2–5 from the U.S.... -
Federal
Coking coal of the United States: Modern and historical locations of coking coal mining locations and chemical, rheological, petrographic, and other data from modern samples
Department of the Interior —
For the open-file report we collected new coking coal samples from Alabama, Kentucky, Oklahoma and Arkansas and analyzed them for proximate and ultimate analyses;... -
Federal
Lithogeochemistry and images of selected drill core samples from the Mineral Hill alkaline complex, Wyoming
Department of the Interior —
This data release contains analytical data and images for a suite of drill core samples from the Mineral Hill alkaline complex (MHAC), northeastern Wyoming.... -
Federal
Thin section images, automated mineralogy scans, lithogeochemistry, and Nd-Sr-Pb isotopic analysis of samples from a mostly buried layered mafic intrusion, Wet Mountains, Colorado 2022-2024
Department of the Interior —
This dataset includes thin section images, automated mineralogy mineral maps, whole-rock geochemical data, and whole-rock Nd-Sr-Pb isotopic analysis of samples... -
Federal
Geochemical Database for Iron Oxide-Copper-Cobalt-Gold-Rare Earth Element Deposits of Southeast Missouri
Department of the Interior —
The Geochemical Database for Iron Oxide-Copper-Cobalt-Gold-Rare Earth Element Deposits of Southeast Missouri (IOCG-REE_GX) contains new geochemical data compilations... -
Federal
Geochemistry of fine-grained sediment in Bellingham Bay, Nooksack River, and small creeks from June 2017 to September 2019
Department of the Interior —
Elemental compositions are reported for the fine fraction of surface sediments from Bellingham Bay (June 2017 and March 2019) and in the fine fraction of streambank... -
Federal
Water quality and contaminants in stream surface waters collected in the Delmarva Peninsula, 2022
Department of the Interior —
This data release contains the concentration and quality assurance results for 29 streams, sampled twice, and 1 stream, sampled once, in the Chesapeake Bay Delmarva... -
Federal
Groundwater Quality Data of the Chicot aquifer system
Department of the Interior —
This dataset contains digitized groundwater quality data from 435 wells that are screened in the Chicot aquifer system. Reported values of interest included specific... -
Federal
Historical produced water chemistry data compiled for the San Ardo Oil Field and vicinity, Monterey County, central California
Department of the Interior —
This digital dataset contains historical geochemical and other information for 271 samples of produced water from 143 sites in or near the San Ardo Oil Field in... -
Federal
Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) geochemical data for apatite grains in rocks and stream sediments from the Taurus porphyry copper deposit area, eastern Tanacross quadrangle, Alaska
Department of the Interior —
Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analyses of apatite provide trace element concentrations that support indicator mineral...