U-Pb Zircon Data for Igneous and Metaigneous Rocks of Interior and Southwest Alaska
This dataset contains U-Pb isotopic data and associated dates for sampled igneous, meta-igneous, and metamorphic rocks of interior and southwestern Alaska. Samples were collected during geologic mapping and mineral deposit research from 2019 to 2023. Mapping and research were funded by the Mineral Resources Program of the U.S. Geological Survey. Mineral separations were conducted at the U.S. Geological Survey mineral separation laboratory in Denver, Colorado and GeoSep Services in Moscow, Idaho. Laser-ablation-inductively-coupled-plasma-mass spectrometry analyses of zircon grains were performed from 2020 through 2024 at the U.S Geological Survey Microbeam Laboratory in Denver, Colorado and at the GeoAnalytical Laboratory, Washington State University, Pullman, Washington by GeoSep Services.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "010:12" ] |
| contactPoint |
{ "fn": "U.S. Geological Survey, Alaska Science Center", "@type": "vcard:Contact", "hasEmail": "mailto:gs-ak_asc_datamanagers@usgs.gov" } |
| description | This dataset contains U-Pb isotopic data and associated dates for sampled igneous, meta-igneous, and metamorphic rocks of interior and southwestern Alaska. Samples were collected during geologic mapping and mineral deposit research from 2019 to 2023. Mapping and research were funded by the Mineral Resources Program of the U.S. Geological Survey. Mineral separations were conducted at the U.S. Geological Survey mineral separation laboratory in Denver, Colorado and GeoSep Services in Moscow, Idaho. Laser-ablation-inductively-coupled-plasma-mass spectrometry analyses of zircon grains were performed from 2020 through 2024 at the U.S Geological Survey Microbeam Laboratory in Denver, Colorado and at the GeoAnalytical Laboratory, Washington State University, Pullman, Washington by GeoSep Services. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Digital Data", "format": "XML", "accessURL": "https://doi.org/10.5066/P1MUQSJA", "mediaType": "application/http", "description": "Landing page for access to the data" }, { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "XML", "mediaType": "text/xml", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.689d0116d4be021863afc36d.xml" } ] |
| identifier | http://datainventory.doi.gov/id/dataset/USGS_689d0116d4be021863afc36d |
| keyword |
[ "Earth science", "GeoScientificInformation", "Geochemistry", "Geochronology", "Geology", "Igneous rocks", "Isotopic analysis", "LA-ICP-MS", "Laser-Ablation-Inductively-Coupled-Plasma-Mass-Spectrometry", "Metamorphic rocks", "U-Pb geochronology", "USGS:689d0116d4be021863afc36d", "Uranium-lead analysis", "Zircon" ] |
| modified | 2025-08-13T00:00:00Z |
| publisher |
{ "name": "U.S. Geological Survey", "@type": "org:Organization" } |
| spatial | -158.4, 62.0, -141.3, 65.5 |
| theme |
[ "geospatial" ] |
| title | U-Pb Zircon Data for Igneous and Metaigneous Rocks of Interior and Southwest Alaska |
