Catalog - Data.gov

Found 365 datasets matching "th".

Federal
NIST The Spectrum of Th-Ar Hollow Cathode Lamps - SRD 161
- Organization: National Institute of Standards and Technology
- Updated: 2011-12-13 00:00:00
This atlas presents observations of the infra-red (IR) spectrum of a low current Th-Ar hollow cathode lamp with the 2-m Fourier transform spectrometer (FTS) at NIST. These observations establish...
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Search relevance: 83.45 | Views last month: 0
Federal
Sr and U concentrations and radiogenic isotope compositions (87Sr/86Sr, 234U/238U) of thermal waters, streamflow, travertine, and rock samples along with U-Th disequilibrium ages for travertine deposits from various locations in Yellowstone National Park, USA (ver. 2.0, August 2024)
- Organization: Department of the Interior
- Updated: 2024-08-29T00:00:00Z
Radiogenic isotopes of strontium and uranium (87Sr/86Sr and 234U/238U) are useful tracers of water-rock interactions. Sr isotopic signatures in groundwater are derived by dissolution or exchange...
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Search relevance: 72.73 | 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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Search relevance: 71.06 | 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: 63.19 | 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: 62.52 | Views last month: 0
Federal
Low-Temperature Thermochronometric Data from the Revelation Mountains, Western Alaska Range, 2013-2018
- Organization: Department of the Interior
- Updated: 2025-05-26T00:00:00Z
This dataset provides low-temperature thermochronometric data from 16 rock samples collected from the Revelation Mountains area in western Alaska Range. These data are from three different...
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Search relevance: 60.74 | 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...
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Search relevance: 60.18 | Views last month: 0
Federal
Low-Temperature Thermochronometric Data along the Fairweather Fault, Southeast Alaska, 2015-2020
- Organization: Department of the Interior
- Updated: 2025-05-24T00:00:00Z
This dataset provides low-temperature thermochronometric data from 15 rock samples collected along the Fairweather fault in southeast Alaska. These data are from four different analyses used to...
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Search relevance: 57.76 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Fairbanks 1990 Barbados Sea Level and Th/U 14C Calibration
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-09-26T00:00:00.000+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...
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Search relevance: 51.44 | Views last month: 1
Federal
NOAA/WDS Paleoclimatology - Buraca Gloriosa Cave, Portugal Stalagmite Element and U/Th Uncertainty Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-09-27T00:00:00.000+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...
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Search relevance: 48.49 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Western Canada Late Pleistocene Permafrost Caves Speleothem U/Th Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-05-13T00:00:00.000+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...
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Search relevance: 48.49 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Greenland Ice Core GICC05 and Speleothem U/Th Timescale Differences 11-45 kaBP
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-11-23T00:00:00.000+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...
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Search relevance: 46.59 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Searles Lake California, U-Th chronology and Grayscale Data for SLAPP-SRLS17-1A/B, Late Pleistocene
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-08-30T00:00:00.000+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...
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Search relevance: 45.61 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Southern Ocean Deep-Dea Coral Radiocarbon and U/Th Age Data over the Last 30,000 Years
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-12-23T00:00:00.000+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...
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Search relevance: 45.61 | 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...
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Search relevance: 42.59 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Age model, biogenic opal contents and sedimentary U/Th for the last 150 ka at sites J1002 and J1007, Chilean Margin
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-05-27T00:00:00.000+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...
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Search relevance: 42.38 | 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...
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Search relevance: 41.49 | 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....
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Search relevance: 41.46 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Sibaki Cave, Iran U/Th Age Model and Stable Isotope Data from the Last Glacial Maximum to the Early Holocene
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-11-07T00:00:00.000+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...
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Search relevance: 40.42 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Northwest Atlantic and Indo-Pacific Southern Ocean deep-sea coral U/Th, 14C, and D47 data for the past 35,000 years
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-11-29T00:00:00.000+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...
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Search relevance: 40.26 | Views last month: 0

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