|Geology Fieldnotes: Mount Rushmore National Memorial, South Dakota|
Details offered on this site include park geology, visitor information, maps, photographs, and links to additional resources. This famous carved mountain is located on the Harney Peak granite batholith - a large outcrop of granite rock that formed within the Earth. This batholith is part of the Black Hills of South Dakota. All rock types are present in the area, and the oldest date back 1.7 billion years (Precambrian). The carving of this monument is also discussed.
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Information presented on this web-site, unless otherwise indicated, is considered in the public domain. It may be distributed or copied as is permitted by the law. Not all information on this web-site has been created or is owned by the NPS. If you wish to use any non-NPS material, you must seek permission directly from the owning (or holding) sources.
DLESE Catalog ID: DLESE-000-000-001-274
This resource is referenced by 'Tour of Park Geology: Oldest Rocks'
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