Catalog - Data.gov

Found 575 datasets matching "U-series".

Federal
Isotope analyses (234U/238U, 87Sr/86Sr, δ13C, and δ18O) and U-series disequilibrium ages for speleothem, water, and rock samples associated with Fitton Cave, Buffalo National River, Arkansas, USA
- Organization: Department of the Interior
- Updated: 2023-08-30T00:00:00Z
This data release contains tabular data (comma-separated-value files) of natural radiogenic isotopes of strontium, uranium, and thorium for samples of modern water, speleothems, associated with...
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Search relevance: 106.59 | Views last month: 0
Federal
U-series isotope data used to date a 130,000-year-old archaeological site in southern California, U.S.A.
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
This dataset includes tables with physical information and isotopic data that are used to calculate uranium-series ages (230Th/U method) and initial 234U/238U activity ratios on a suite of...
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Search relevance: 96.63 | Views last month: 0
Federal
U-series and Sr-isotope data release supporting Tufa and Water Radiogenic Geochemistry and Tufa Ages for Two Karst Aquifers in the Buffalo National River Region, Northern Arkansas
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
This dataset includes tables of U- and Th-isotopic data used to calculate uranium-series age estimates (230Th/U method) and initial 234U/238U activity ratios for samples of tufa mounds formed by...
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Search relevance: 87.92 | Views last month: 0
Federal
Data Release of OSL, 14C, and U-series age data supporting geologic mapping along the South Platte River corridor in northeastern Colorado
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
In conjunction with geologic mapping of four 7.5′ quadrangles along the South Platte River corridor in northeastern Colorado (Masters, Orchard, Weldona, and Fort Morgan), geochronology samples...
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Search relevance: 86.06 | Views last month: 0
Federal
USGS Geochron: Data Compilation Templates (2.0, June 2025)
- Organization: Department of the Interior
- Updated: 2025-06-05T00:00:00Z
USGS Geochron is a database of geochronological and thermochronological dates and data. The USGS Geochron: Data Compilation Templates data release hosts Microsoft Excel-based data compilation...
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Search relevance: 72.88 | Views last month: 0
Federal
USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data (ver. 2.0, September 2023)
- Organization: Department of the Interior
- Updated: 2023-09-28T00:00:00Z
USGS Geochron is a database of geochronological and thermochronological dates and data. The data set contains published ages, dates, analytical information, sample metadata including location, and...
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Search relevance: 72.00 | Views last month: 0
Federal
Local radiocarbon reservoir age (Delta-R) variability from the nearshore and open-ocean environments of the Florida Keys reef tract during the Holocene and associated U-series and radiocarbon data (Marine13 Radiocarbon Calibration Curve)
- Organization: Department of the Interior
- Updated: 2021-06-24T00:00:00Z
Holocene-aged corals from reef cores collected throughout the Florida Keys reef tract (FKRT) were dated using a combination of U-series and radiocarbon techniques to quantify the millennial-scale...
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Search relevance: 68.07 | Views last month: 2
Federal
Local radiocarbon reservoir age (ΔR) variability from the nearshore and open-ocean environments of the Florida Keys reef tract during the Holocene and associated U-series and radiocarbon data (Marine20 Radiocarbon Calibration Curve)
- Organization: Department of the Interior
- Updated: 2021-08-30T00:00:00Z
68 Holocene-aged corals from reef cores collected throughout the Florida Keys reef tract (FKRT) were dated using a combination of U-series and radiocarbon techniques to quantify the...
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- xml
Search relevance: 66.19 | Views last month: 0
Federal
Uranium and Strontium geochronology data for marine terraces on Santa Rosa Island, Channel Islands National Park, California, USA
- Organization: Department of the Interior
- Updated: 2022-11-28T00:00:00Z
Studies of marine terraces and their fossils can yield important information about sea level history, tectonic uplift rates, and paleozoogeography. The marine terrace record on Santa Rosa Island,...
- xml
- xml
Search relevance: 60.57 | Views last month: 0
Federal
Ocean Currents (U, V, W) and temperature time-series measurements collected from two ADCP ocean moorings (5-month summer and 8-month winter) at long-term Mooring Site M2 on the southeastern Bering Sea shelf, Alaska, by the EcoFOCI group at NOAA, PMEL, 2018-05-02 to 2019-04-24 (NCEI Accession 0311368)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-05T00:00:00.000+00:00
M2 - These time-series sets consist of data from two Acoustic Doppler Current Profiler (ADCP) moorings at the long-term mooring site "M2" on the southeastern Bering Sea Shelf. The two moorings...
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Search relevance: 56.02 | Views last month: 0
Federal
Current Observations in the Hawaiian Archipelago, 1965-1969 (NCEI Accession 0000801)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-08T00:00:00.000+00:00
This dataset includes current meter data holdings for the Hawaiian Islands, 1965-1969. The F015 format contains time series measurements of ocean currents. These data are obtained from current...
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Search relevance: 49.32 | Views last month: 0
Federal
Current meter components and other data from FIXED PLATFORMS from 1981-09-07 to 1982-09-01 (NCEI Accession 8500066)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-10T00:00:00.000+00:00
Current meter components data were collected from FIXED PLATFORMS from 07 September 1981 to 01 September 1982. Data were collected by the University of Washington (UW). Data were processed by NODC...
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Search relevance: 44.85 | Views last month: 0
Federal
U and Th isotope data for "Establishing chronologies for alluvial-fan sequences with analysis of high-resolution topographic data: San Luis Valley, Colorado, USA"
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
This dataset includes tables of U- and Th-isotopic data used to calculate uranium-series age estimates (230Th/U method) and initial 234U/238U activity ratios for samples of pedogenic carbonate...
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- xml
Search relevance: 44.70 | 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: 43.78 | Views last month: 0
Federal
Data release for Middle Pleistocene formation of the Rio Grande Gorge, San Luis Valley, south-central Colorado and north-central New Mexico, USA: Process, timing, and downstream implications
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
This dataset includes tables of He-isotopic data used to calculate surface exposure ages for samples of basalt, and U- and Th-isotopic data used to calculate uranium-series age estimates (230Th/U...
- xml
- xml
Search relevance: 43.34 | Views last month: 0
Federal
Current meter data from moored current meter casts in the Coastal Waters of California from 1981-04-12 to 1983-04-01 (NCEI Accession 8400159)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-10T00:00:00.000+00:00
Current meter data were collected using moored current meter casts in the Coastal Waters of California from April 12, 1981 to April 1, 1983. Data were submitted by Woods Hole Oceanographic...
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Search relevance: 43.14 | Views last month: 0
Federal
Mineralogy, strontium (87Sr/86Sr), oxygen (18O/16O) and carbon (13C/12C) isotope composition, elemental concentrations, and U-Th disequilibrium ages for travertine deposits from various locations in Yellowstone National Park, USA
- Organization: Department of the Interior
- Updated: 2023-04-27T00:00:00Z
Chemical changes in hot springs, as recorded by thermal waters and their mineral deposits, provide a window into the evolution of Yellowstone’s postglacial hydrothermal system. Travertine...
- xml
- xml
Search relevance: 43.12 | Views last month: 0
Federal
Current meter components and other data from FIXED PLATFORMS from 1978-05-01 to 1979-07-01 (NCEI Accession 8500084)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-10T00:00:00.000+00:00
Current meter components data were collected from FIXED PLATFORMS from 01 May 1978 to 01 July 1979. Data were collected by the Woods Hole Oceanographic Institution (WHOI). Data were processed by...
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Search relevance: 43.10 | Views last month: 0
Federal
Current meter components and other data from FIXED PLATFORMS from the North American Coastline-South from 1979-02-01 to 1979-10-10 (NCEI Accession 9200031)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-15T00:00:00.000+00:00
Current meter components data were collected from FIXED PLATFORMS from the North American Coastline-South from 01 February 1979 to 10 October 1979. Data were collected by the Rosenstiel School of...
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Search relevance: 43.02 | Views last month: 0
Federal
Current meter components and other data from FIXED PLATFORMS from 1974-04-09 to 01 to April 1975 (NCEI Accession 7900187)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-09-25T00:00:00.000+00:00
Current meter components data were collected from FIXED PLATFORMS from 09 April 1974 to 01 to April 1975. Data were collected by the Woods Hole Oceanographic Institution (WHOI). Data were...
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Search relevance: 42.97 | Views last month: 0

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