68 datasets found
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Federal
Marine mineral geochemical data - Part One: Pacific Ocean USGS-affiliated historical data
Department of the Interior —
This data release compiles element composition data for more than 600 deep-ocean mineral samples from more than 25 research cruises in the Pacific Ocean since 1979... -
Federal
Geochemical data including mercury for subsamples of deep cores from the Cache Creek Settling Basin, Yolo County, California
Department of the Interior —
Sediment cores were collected in the Cache Creek Settling Basin (CCSB), Yolo County, California, during October 2011 at 10 locations (borehole sites) and during... -
Federal
Carbon and Nitrogen in Sediments from Hg-Contaminated Streams and Lakes in Texas, Virginia, and Tennessee
Department of the Interior —
Sediment samples were collected from mercury-contaminated streams and lakes in Texas, Virginia, and Tennessee and were analyzed for total carbon (TC) and total... -
Federal
Sediment core pore fluid chemistry measurements collected along the Cascadia margin for the FK190612 expedition in June 2019.
Department of the Interior —
Geochemical analysis of sediment core pore fluids collected from seep fields on the FK190612 research expedition in the north Pacific Ocean along the Cascadia margin... -
Federal
Mercury concentration data for soil, surface water and rice grain from six commercial rice growing fields in the Sacramento Valley of California (USA)
Department of the Interior —
Mercury (Hg) is a well-known toxic element and environmental contaminant. The central valley of California has long been identified as a hotspot for Hg contamination... -
Federal
Abandoned Mine Land (AML) Geochemical Data: Browns Park District, Daggett County, Utah
Department of the Interior —
From October 2017 to June 2018, the United States Geological Survey (USGS) collected 101 surficial sediment samples from abandoned mine wastepiles, ephemeral channels... -
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA (ver. 6.0, April 2025)
Department of the Interior —
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State... -
Federal
Legacy Geochemical Data from Hardcopy Records of Selected Past U.S. Geological Survey Projects
Department of the Interior —
This data release contains geochemical data from selected U.S. Geological Survey (USGS) projects from the 1960s-1980s that were previously unpublished as digital... -
Federal
Topographic survey data from Moenkopi Wash, AZ
Department of the Interior —
These data were compiled to perform analyses of hydrologic change, changes in sediment transport, and channel change within Moenkopi Wash, Arizona. Objective(s) of... -
Federal
Predictions of floodplain and streambank geomorphic change and flux, streambed characteristics, and catchment inputs and exports of sediment and nutrients for stream reaches in the Chesapeake Bay and Delaware River watersheds
Department of the Interior —
Predictions from statistical modeling of floodplains, streambanks, and streambeds in the Chesapeake Bay and Delaware River watersheds of the U.S. Mid-Atlantic. Random... -
Federal
Anthropogenic metals and other elements from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay
Department of the Interior —
This data release provides the measurement of anthropogenic metals and other elements in sediments of a core obtained off San Francisquito Creek in South San... -
Federal
Global ferromanganese crust and abyssal ferromanganese nodule prospective occurrence regions
Department of the Interior —
This data release is a polygon shapefile representing prospective occurrence regions of ferromanganese crusts and abyssal ferromanganese nodules on the seafloor... -
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
Chemical extraction results of aquifer sediments for concentrations of iron and arsenic in different redox zones at the crude-oil spill site near Bemidji, Minnesota
Department of the Interior —
In a crude-oil-contaminated sandy aquifer at the Bemidji site in northern Minnesota, biodegradation of petroleum hydrocarbons has resulted in release of naturally... -
Federal
Mineralogy, rare earth elements, and strontium isotopic composition of phosphorites and phosphatized rocks from the Rio Grande Rise, south Atlantic Ocean
Department of the Interior —
Phosphorites and phosphatized rocks from the summit of the Rio Grande Rise (RGR) in the south Atlantic Ocean were collected via dredge during the oceanographic... -
Federal
Lipid biomarker analyses (alkanes, sterols and fatty acids) of authigenic carbonates collected on the FK190612 research expedition in the north Pacific Ocean in June and July 2019 along the Cascadia Margin.
Department of the Interior —
Carbonate lipid biomarkers (n-alkanes, fatty acids, and fatty alcohols/sterols) were determined in carbonate rocks collected on the FK190612 research expedition in... -
Federal
Radiocarbon measurements from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay
Department of the Interior —
This data release provides radiocarbon measurements from a core obtained off San Francisquito Creek in South San Francisco Bay. -
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
Geochemical and isotopic compositions of stream sediment, parent rock, and nearshore sediment from southwest Puerto Rico, April 2017-June 2018
Department of the Interior —
Geochemical and isotopic compositions were determined in stream sediment and parent rocks collected in April 2017 and June 2017 and in nearshore sediment collected... -
Federal
Electron microprobe data for monazite and xenotime used in consideration of gold deposit formation models (ver. 2.0, May 2023)
Department of the Interior —
The genetic origin of many gold deposits, including Pogo in Alaska, remains controversial with questions as to whether they formed due to magmatic-hydrothermal or...
68 datasets found