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    • Summary statistics by region

    Metadata Updated: January 20, 2026

    This dataset tabulates summary statistics for estimates of amounts of copper in undiscovered porphyry copper deposits by world region and for the globe. Data re reported by region, by aggregation method (randomized and sorted), and by selected statistics. These include quantiles, means, standard deviations, standard error of the mean , and Upper and Lower 95% of the mean.

    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 January 12, 2026
    Metadata Updated Date January 20, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 12, 2026
    Metadata Updated Date January 20, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_5a6759f4e4b06e28e9c5579d
    Data Last Modified 2020-08-21T00:00:00Z
    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
    Datagov Dedupe Retained 20260120012310
    Harvest Object Id 595eab76-c836-4e3d-b5b5-612f6facaeaa
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -178.0, -60.0, -178.0, 83.0, 178.0, 83.0, 178.0, -60.0, -178.0, -60.0}
    Source Datajson Identifier True
    Source Hash e983b4d64399fb13c8c42b90af2c0bda31315eebc2ba3412feed4d4ed1cc2ae8
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -178.0, -60.0, -178.0, 83.0, 178.0, 83.0, 178.0, -60.0, -178.0, -60.0}

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