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    • National-scale dataset of strontium isotope compositions in environmental materials for the United States

    Metadata Updated: September 14, 2025

    This database contains published strontium isotopic ratios (87Sr/86Sr) and associated sample collection data for strontium dissolved in environmental waters for the United States (conterminous, Hawaii, Alaska, and coastal seawater). Samples included in this version were collected and analyzed between 1963 to 2022.

    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 14, 2025
    Metadata Updated Date September 14, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 14, 2025
    Metadata Updated Date September 14, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-6791274ed34ea6a4002bf883
    Data Last Modified 2025-03-12T00:00:00Z
    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 08d3f9b6-d1ba-4295-ac18-87db11368080
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -178.5938, 13.5819, -57.3047, 71.3500
    Source Datajson Identifier True
    Source Hash 4da3146c9f3c3c2d0ebd4235469aa0b2fbc22392fd639016526ff801bab9004d
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -178.5938, 13.5819, -178.5938, 71.3500, -57.3047, 71.3500, -57.3047, 13.5819, -178.5938, 13.5819}

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