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    • Updated aeromagnetic and gravity anomaly compilations and elevation-bathymetry models over Lake Superior

    Metadata Updated: January 16, 2026

    New gravity and magnetic compilations and elevation-bathymetry models have been compiled for the Lake Superior region. These data provide continuous sets of observations for geologic interpretations spanning political boundaries such as US States and the US-Canada border where bedrock geology is largely concealed beneath glacial deposits and surface water. These data are providing constraints for on-going 3D geologic modeling of the Midcontinent Rift System and are helping to understand the metallogeny of the region.

    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 16, 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 16, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_57067fc5e4b032f77a8a437c
    Data Last Modified 2020-09-29T00:00:00Z
    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 20260116201601
    Harvest Object Id e1cd4187-f691-48f5-ad3b-725fd5233728
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -93.579236, 44.345422, -93.579236, 49.640125, -83.453750, 49.640125, -83.453750, 44.345422, -93.579236, 44.345422}
    Source Datajson Identifier True
    Source Hash 67b26d4a1e7f12121530af600a69239c403c580731fb207592cff5ca6fd5849d
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -93.579236, 44.345422, -93.579236, 49.640125, -83.453750, 49.640125, -83.453750, 44.345422, -93.579236, 44.345422}

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