34 datasets found
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Federal
Strontium and uranium isotopic compositions (87Sr/86Sr and 234U/238U) of mid- to late-Holocene lacustrine sediments from Lower Pahranagat Lake, Pahranagat National Wildlife Refuge, Lincoln County, Nevada
Department of the Interior —
This data release includes a table of concentrations (Sr, U) and radiogenic-isotope compositions (87Sr/86Sr, 234U/238U) for samples of modern lake water as well as a... -
Federal
Data Release of Geochemical, Geochronologic, and Isotopic Data for Precambrian to Cenozoic Rocks from Colorado, New Mexico, Utah, and Wyoming
Department of the Interior —
This U.S. Geological Survey (USGS) data release includes whole rock geochemical and isotopic data, and uranium-lead isotopic data collected by both Laser Ablation... -
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
Uranium-, thorium-, strontium-, carbon- and oxygen-isotope data used to evaluate a 300,000-year history of water-table fluctuations at Wind Cave, South Dakota, USA — scale, timing, and groundwater mixing in the Madison Aquifer
Department of the Interior —
Tables of U- and Th-isotopic data used to calculate uranium-series age estimates and initial 234U/238U activity ratios as well as 87Sr/86Sr, δ13C, and δ18O for... -
Federal
Strontium isotopic data from the Mount Emmons-Redwell area, Crested Butte, Colorado
Department of the Interior —
This U.S. Geological Survey (USGS) data release contains strontium isotopic data from water and rock samples collected between 2000 and 2019 from the Mount Emmons... -
Federal
Sr-, U-, H- and O-isotope data used to evaluate water sources in the Potrero Creek Wetlands, Upper Santa Cruz Basin, southern Arizona, USA
Department of the Interior —
This data release includes a table of 87Sr/86Sr, 234U/238U, δ2H, and δ18O isotope data used to evaluate groundwater- and surface-water-sources contributing to water... -
Federal
Measurements of mercury stable isotopes during planktonic uptake and photochemical demethylation of methylmercury
Department of the Interior —
Laboratory experiments were performed between 2019 and 2020 to examine how dissolved organic matter (DOM) and phytoplankton (Raphidocelis subcapitata) cells alter... -
Federal
Hydrogen stable isotope data for: 'Mechanisms associated with an advance in the timing of seasonal reproduction in an urban songbird'.
Department of the Interior —
This dataset includes stable hydrogen isotope values of the nonexchangeable hydrogen contained in the outer most secondary feathers of dark-eyed juncos (Junco... -
Federal
Geochemistry and microbiology data collected to study the effects of oil and gas wastewater dumping on arid lands in New Mexico
Department of the Interior —
The Permian Basin, straddling New Mexico and Texas, is one of the most productive oil and gas (OG) provinces in the United States. OG production yields large volumes... -
Federal
Data Release of Geochemical, Geochronologic, and Isotopic Data for Proterozoic rocks from the Mountain Pass REE deposit and its host rocks, Arizona, California, and Nevada
Department of the Interior —
This U.S. Geological Survey (USGS) data release includes whole-rock major, trace, and rare earth element geochemical data, whole-rock and mineral Nd-Pb-Sr isotopic... -
Federal
Mercury Concentrations and Loads in United States and Canadian Tributaries of Lake Superior
Department of the Interior —
In 2021, the U.S. Geological Survey (USGS) Mercury Research Laboratory (MRL) conducted a large-scale assessment of mercury (Hg) concentrations and Hg stable isotope... -
Federal
Water and gas chemistry data from wells and hot springs in the Western USA, 1930 – 2006
Department of the Interior —
Historical water and gas chemistry data from geothermal areas are important for detecting long-term patterns, informing geothermal energy exploration, development,... -
Federal
Data release of zircon U-Pb geochronology and whole-rock isotope geochemistry for drill core samples from Montana, Nebraska, Nevada, and Wyoming
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides zircon U-Pb geochronology and whole rock isotope geochemistry for drill core samples from Montana, Nebraska,... -
Federal
Data release of monazite and xenotime geochronology for Proterozoic rocks in central Colorado and monazite and zircon geochronology and whole-rock isotope geochemistry fo a Proterozoic drill core sample from western Colorado
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides monazite and xenotime geochronology from Proterozoic rocks collected from outcrop in central Colorado and...
34 datasets found