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    • Apatite and zircon fission track data from the western Brooks Range of Arctic Alaska

    Metadata Updated: November 12, 2025

    The attached data are apatite and zircon fission track measurements from rock samples collected across the western Brooks Range. Table 1 contains descriptive information on each sample. Tables 2a, 2b, 2c, 2d and 2e contain single grain, apatite fission track age data for samples from each of five datasets that comprise the overall apatite fission track age dataset. Tables 3a, 3b, 3c, and 3d contain apatite fission track length data for samples from four of the five datasets that comprise the overall apatite fission track length dataset. The oldest of the five datasets has no accompanying track length data. Table 4 contains summary information for each of the apatite fission track age samples. Table 5 contains summary information for each of the apatite fission track length samples. Tables 6a and 6b contain single grain, zircon fission track age data for samples from each of two datasets that comprise the overall zircon fission track dataset. Table 7 contains summary information for the zircon fission track age data.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date September 13, 2025
    Metadata Updated Date November 12, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 13, 2025
    Metadata Updated Date November 12, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-5a68a08fe4b06e28e9c701d9
    Data Last Modified 2020-08-19T00:00:00Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 58abed19-7f17-4655-a725-eca1d8148d3b
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -164.768, 67.882779999999, -161.44, 69.250619999999
    Source Datajson Identifier True
    Source Hash dcf064e6ee710eb631a7b1caf627106da7302092e54e697ff653869ef1fcd2e0
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -164.768, 67.882779999999, -164.768, 69.250619999999, -161.44, 69.250619999999, -161.44, 67.882779999999, -164.768, 67.882779999999}

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