198 datasets found
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Federal
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2023
Department of the Interior —
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the USGS National Geochemical Sample Archives and submitted for mineralogical... -
Federal
Geochemical data for selected streams in the Clear Lake basin, Lake County, California
Department of the Interior —
This dataset includes water-quality data for samples collected at sixteen sites in the Clear Lake Drainage Basin, Lake County, California, between November 2018 and... -
Federal
Water column sample data from predefined locations of the West Florida Shelf: USGS Cruise 11CEV02
Department of the Interior —
The United States Geological Survey (USGS) is conducting a study on the effects of climate change on ocean acidification within the Gulf of Mexico; dealing... -
Federal
Reanalysis of Selected Archived NURE-HSSR Sediment and Soil Samples from Alaska
Department of the Interior —
Selected archived sample splits collected as part of the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR)... -
Federal
In situ geochemical data related to the gold-quartz veins of Grass Valley, California, 2014-2015
Department of the Interior —
In situ geochemical data were obtained for pyrite crystals and native gold from two distinct vein sets in the Grass Valley gold district, California. Samples of the... -
Federal
Data to accompany U.S. Geological Survey Scientific Investigations Report 2019-5077: Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona
Department of the Interior —
The dataset comprises analyses of core and surface samples collected in and around the Red Mountain porphyry Cu-Mo deposit, Santa Cruz County, Arizona. The dataset... -
Federal
Geochemistry of sediment subsamples from Loki's Castle and Favne Vent Fields, Mohns Ridge
Department of the Interior —
This data release contains geochemical data of sediment subsamples collected in 2018 and 2019 from Loki’s Ridge and Favne Vent Fields, Mohns Ridge, part of the Arctic... -
Federal
U.S. Geological Survey Precipitation Chemistry Quality Assurance Project Data 2019 – 2020
Department of the Interior —
The USGS Precipitation Chemistry Quality Assurance Project (PCQA) operates QA programs to challenge and test the National Atmospheric Deposition Program (NADP) data-... -
Federal
Water column sample data from predefined locations of the West Florida Shelf: USGS Cruise 11BHM04
Department of the Interior —
The United States Geological Survey (USGS) is conducting a study on the effects of climate change on ocean acidification within the Gulf of Mexico; dealing... -
Federal
Sonde data of continuous surface water flow-through system for the West Florida Shelf: USGS Cruise 11BHM02
Department of the Interior —
The United States Geological Survey (USGS) is conducting a study on the effects of climate change on ocean acidification within the Gulf of Mexico; dealing... -
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
Geochemical and morphological characterization of bulk dust used in MMP3 and GLIDE experiments
Department of the Interior —
Multiple techniques including, x-ray diffraction, scanning electron microscopy, laser diffraction particle analysis, and inductively coupled plasma spectrometry, were... -
Federal
Water-quality data including mercury and methylmercury at selected sites in the Cache Creek watershed, Yolo County, California: U.S. Geological Survey data release
Department of the Interior —
This dataset includes water-quality and sediment data for 647 environmental samples collected at 53 surface-water sites in Cache Creek (Cache C) watershed, Yolo... -
Federal
Biological tissue data used to evaluate selenium hazards in the Salton Sea ecosystem (1984-2020)
Department of the Interior —
In response to the rapidly evolving conditions at the Salton Sea, with the emergence of both newly formed wetland habitat and increasing hazards to wildlife, the U.S.... -
Federal
Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska
Department of the Interior —
This data release contains elemental concentration data from geochemical analysis of eight bulk placer tailing sediment samples and of size and density fractions... -
Federal
Geochemistry time series and growth parameters from Tutuila, American Samoa coral record
Department of the Interior —
Geochemical analysis (including age-corrected radiocarbon stable isotopes, and elemental composition) and growth parameters (including calcification rate, density,... -
Federal
Metal concentrations in streambed sediment in the lower Klamath River basin, 2018-2024 (ver. 2.0, April 2025)
Department of the Interior —
The U.S. Geological Survey is monitoring metal concentrations in streambed sediment pre- and post-dam removal in the lower Klamath River basin. Concentrations of... -
Federal
Laser-ablation inductively-coupled-plasma mass spectrometry and electron probe microanalyses of pyrite and pyrrhotite in tailings and ores from volcanogenic massive sulfide and sedimentary-exhalative deposits
Department of the Interior —
Mine waste, including mill tailings, could host substantial critical mineral resources. Developing an understanding of the mineral hosts and occurrence of critical... -
Federal
Data Supporting The Geochemical Atlas of Alaska, 2016
Department of the Interior —
A rich legacy of geochemical data produced since the early 1960s covers the great expanse of Alaska; careful treatment of such data may provide significant and... -
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...
198 datasets found