U-Pb and 40Ar/39Ar Geochronologic Data for Selected Rocks from the Western Alaska Range, Alaska
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 concentration of uranium (U) and thorium (Th), ratios of multiple isotopes of lead (Pb) and U, and the age of multiple analytical aliquots, or fractions, of zircon for each sample; (2) the 40Ar/39Ar analytical data and interpreted ages for each rock sample; (3) the sample location, rock characteristics, and interpreted ages for each sample; (4) a data dictionary table, provided as a reference guide for the user.
Complete Metadata
| 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 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 concentration of uranium (U) and thorium (Th), ratios of multiple isotopes of lead (Pb) and U, and the age of multiple analytical aliquots, or fractions, of zircon for each sample; (2) the 40Ar/39Ar analytical data and interpreted ages for each rock sample; (3) the sample location, rock characteristics, and interpreted ages for each sample; (4) a data dictionary table, provided as a reference guide for the user. |
| distribution |
[
{
"@type": "dcat:Distribution",
"title": "Digital Data",
"format": "XML",
"accessURL": "https://doi.org/10.5066/P92ZOY4D",
"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.ASC437.xml"
}
]
|
| identifier | http://datainventory.doi.gov/id/dataset/USGS_ASC437 |
| keyword |
[
"Alaska",
"Alaska Range",
"Earth science",
"Geochemistry",
"Geochronology",
"Geology",
"GeoscientificInformation",
"Igneous rocks",
"Isotope ratios",
"Isotopic age",
"Isotopic analysis",
"Potassium-argon analysis",
"Radiometric dating",
"Revelation Mountains",
"Tordrillo Mountains",
"USGS:ASC437",
"Uranium-lead analysis",
"Uranium-thorium analysis"
]
|
| modified | 2025-05-28T00:00:00Z |
| publisher |
{
"name": "U.S. Geological Survey",
"@type": "org:Organization"
}
|
| spatial | -152.42, 61.28, -150.55, 62.01 |
| theme |
[
"Geospatial"
]
|
| title | U-Pb and 40Ar/39Ar Geochronologic Data for Selected Rocks from the Western Alaska Range, Alaska |
