Catalog - Data.gov

Found 27 datasets matching "thorium isotope".

Federal
Mineralogy, chemistry and isotope composition of silica sinter deposits from the Upper Geyser Basin, Yellowstone National Park: uranium and thorium isotope data
- Organization: Department of the Interior
- Updated: 2020-08-31T00:00:00Z
Sample Analyses: Four samples of silica sinter from Giant and Castle Geysers compo sedof opal-A or opal-A/C were analyzed for U-Th isotopes at USGS laboratories in Denver, CO...
- xml
- xml
Search relevance: 124.34 | Views last month: 0
Federal
Lead, Radium, Cesium, and Thorium isotope activity in sediment samples from Los Padres reservoir, Carmel River watershed, California
- Organization: Department of the Interior
- Updated: 2024-01-03T00:00:00Z
Sediment samples were collected from Los Padres reservoir in the Carmel River watershed, central California coast, between July 11 and 17, 2017, using a CME-45 barge-mounted drill rig, to...
- xml
- xml
Search relevance: 122.67 | Views last month: 1
Federal
NOAA/WDS Paleoclimatology - Eastern Equatorial Pacific Water Column Thorium Isotope Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-10-30T00:00:00.000+00:00
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
- none
- none
- none
- none
- none
- none
- +9 more
Search relevance: 83.37 | Views last month: 0
Federal
Geochronologic and isotopic data for Paleohydrologic history of Pluvial Lake San Agustin, New Mexico
- Organization: Department of the Interior
- Updated: 2023-08-01T00:00:00Z
This dataset includes tables of radiocarbon, uranium thorium series, and luminescence geochronologic ages and stable carbon and oxygen isotope compositions for sedimentary and organic samples.
- xml
- xml
Search relevance: 71.93 | Views last month: 0
Federal
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska
- Organization: Department of the Interior
- Updated: 2025-06-09T00:00:00Z
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the Yukon-Tanana Upland, eastern Alaska. The sample...
- xml
- xml
Search relevance: 70.89 | Views last month: 0
Federal
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Western Alaska Range
- Organization: Department of the Interior
- Updated: 2025-05-30T00:00:00Z
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the western Alaska Range of south-central Alaska....
- xml
- xml
Search relevance: 67.30 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Southern Ocean Boron isotope data on uranium-thorium dated D. dianthus deep sea corals over the last 40,000 years
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-09-23T00:00:00.000+00:00
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
- none
- none
- none
- none
- none
- none
- +2 more
Search relevance: 62.88 | Views last month: 0
Federal
Uranium-Lead Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Darby Mountains Area, Seward Peninsula, Alaska
- Organization: Department of the Interior
- Updated: 2025-05-29T00:00:00Z
This dataset contains uranium–lead (U-Pb) isotopic data and ages, hafnium (Hf) isotope data, and trace element concentrations of zircon from igneous rocks collected from the Darby Mountains area...
- xml
- xml
Search relevance: 61.89 | Views last month: 0
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
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
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 samples of phreatic speleothems from...
- xml
- xml
Search relevance: 55.48 | Views last month: 0
Federal
Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-07-18 to 2002-08-21 (NCEI Accession 0113953)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-02-22T00:00:00.000+00:00
This dataset includes biological, chemical, discrete sample, physical and profile data collected from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-07-18 to 2002-08-21. These...
- html
- none
- none
- none
- none
- none
- +20 more
Search relevance: 50.74 | Views last month: 0
Federal
Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-07-18 to 2002-08-21 (NCEI Accession 0113953)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-02-22T00:00:00.000+00:00
This dataset includes biological, chemical, discrete sample, physical and profile data collected from HEALY in the Arctic Ocean, Beaufort Sea and Bering Sea from 2002-07-18 to 2002-08-21. These...
- html
- none
- none
- none
- none
- none
- +20 more
Search relevance: 50.09 | Views last month: 0
Federal
Concentration of chemical constituents in lake sediments from selected coring locations on Lake Lanier, Georgia, May 2018 (ver. 2.0, June 2021)
- Organization: Department of the Interior
- Updated: 2021-06-22T00:00:00Z
The data herein were collected in support of a larger study in Gwinnett County, Georgia, on the potential impacts of on-site waste water treatment (septic systems) on Lake Lanier water quality....
- xml
- xml
Search relevance: 39.01 | Views last month: 0
Federal
U-Pb and 40Ar/39Ar Geochronologic Data for Selected Rocks from the Western Alaska Range, Alaska
- Organization: Department of the Interior
- Updated: 2025-05-28T00:00:00Z
This dataset includes four tables with isotopic data and ages for selected igneous bedrock samples collected in 2001 through 2003 from the Western Alaska Range, southcentral Alaska: (1) the...
- xml
- xml
Search relevance: 36.49 | Views last month: 0
Federal
Fission Track Data and Ages of Apatite and U-Pb Isotopic Data and Ages of Igneous and Detrital Zircon from Selected Rocks from the Lake Clark and Lake Iliamna Region of South-Central Alaska
- Organization: Department of the Interior
- Updated: 2025-05-23T00:00:00Z
This data set contains fission track data and associated ages of apatite from igneous and sedimentary rocks, U-Pb isotopic data and associated ages of zircon from a subset of the igneous rock...
- xml
- xml
Search relevance: 35.17 | Views last month: 0
Federal
U-Pb Isotope Geochronology Data and Geochemical Analyses of Selected Rocks from the Seldovia Quadrangle, Southcentral Alaska
- Organization: Department of the Interior
- Updated: 2025-09-19T00:00:00Z
This dataset contains U-Pb isotopic data and associated ages of zircons within the lithologic framework of igneous, metaigneous, and metasedimentary rocks collected from the Seldovia quadrangle in...
- xml
- xml
Search relevance: 34.24 | Views last month: 0
Federal
U-Pb Isotopic Data and Zircon Age Determinations from the Island of Puerto Rico, United States
- Organization: Department of the Interior
- Updated: 2025-09-19T00:00:00Z
This dataset contains U-Pb isotopic data and associated ages of zircons from selected igneous rocks collected from the region surrounding and including the uplands of the United States Territory...
- xml
- xml
Search relevance: 33.53 | Views last month: 3
Federal
U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada
- Organization: Department of the Interior
- Updated: 2025-06-09T00:00:00Z
This dataset contains U-Pb isotopic data and associated ages of detrital zircon from sedimentary and metasedimentary rocks collected from southwestern Alaska and from the Yukon-Tanana upland and...
- xml
- xml
Search relevance: 28.67 | Views last month: 0
Federal
Dissolved gas and tracer concentrations from the Columbia Plateau Aquifer, Vertical Flowpath Study Network
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the Columbia Plateau aquifer system. Results of...
- xml
- xml
Search relevance: 26.83 | Views last month: 1
Federal
Dissolved Gas and Tracer Concentrations for the High Plains Aquifer, Vertical Flowpath Study Network
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the High Plains aquifer system. Results of...
- xml
- xml
Search relevance: 26.83 | Views last month: 0
Federal
Geochemical analysis of authigenic carbonates and chemosynthetic mussels at Atlantic Margin seeps (ver. 2.0, March 2019)
- Organization: Department of the Interior
- Updated: 2021-10-13T00:00:00Z
Isotopic analyses of authigenic carbonates and methanotrophic deep-sea mussels, Bathymodiolus sp., was performed on samples collected from seep fields in the Baltimore and Norfolk Canyons on the...
- xml
- xml
Search relevance: 26.74 | Views last month: 0

Filter selections are applied on each click