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    • Electron Microprobe and 40Ar/39Ar data from the East Derby Shear Zone, Connecticut

    Metadata Updated: August 25, 2024

    This data release includes electron microprobe and 40Ar/39Ar measurements collected at the U.S. Geological Survey for samples from the East Derby Shear Zone (EDSZ) in Connecticut, USA. Rock samples were collected by Bryan Wathen, now at the University of Wisconsin. Muscovite, biotite, chlorite, plagioclase, and K-feldspar were analyzed by electron probe microanalysis at the U.S. Geological Survey, Reston Electron Microbeam Laboratory. Aliquots of muscovite from several samples were analyzed by argon geochronology at the U.S. Geological Survey Bascom ARgon Dating (BARD) Laboratory in Reston, Virginia. The 40Ar/39Ar data constrain the cooling history of the rocks around the EDSZ as well as the time(s) of deformation in the EDSZ.

    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.

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    Dates

    Metadata Created Date August 25, 2024
    Metadata Updated Date August 25, 2024

    Metadata Source

    Harvested from DOI EDI

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date August 25, 2024
    Metadata Updated Date August 25, 2024
    Publisher U.S. Geological Survey
    Maintainer
    @Id http://datainventory.doi.gov/id/dataset/5a6440619d0aecbc0303596e382ac28f
    Identifier USGS:63c84c2fd34e06fef14f3422
    Data Last Modified 20240819
    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://datainventory.doi.gov/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 244bde25-1acf-4553-890c-7f3e6e4a7a42
    Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
    Harvest Source Title DOI EDI
    Metadata Type geospatial
    Old Spatial -73.2,41.2,-72.8,41.6
    Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
    Source Datajson Identifier True
    Source Hash b67f195c1df084df1a8ca764fc0f188695d65541eb24155b9dbd386d86bcbdfd
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -73.2, 41.2, -73.2, 41.6, -72.8, 41.6, -72.8, 41.2, -73.2, 41.2}

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