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Rocks and Minerals
This webpage of the United States Geological Survey (USGS) and the National Park Service (NPS) highlights general information about rocks and minerals. A description of rock-forming minerals (with photos) illustrates the basic composition of rocks. These minerals include feldspar, mica, quartz, calcite, and others. The three rock types are described (igneous, sedimentary, and metamorphic) in terms of their classification, formation, and composition. There is an identification chart with links to more information.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
Type of resource:
  • Visual:
    • Photograph
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Mineralogy or petrology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Information presented on this web site is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested.
DLESE Catalog ID: DLESE-000-000-002-327
Related resources:
This resource is referenced by 'USGS Geology in the Parks'
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey
http://wrgis.wr.usgs.gov

Publisher: National Park Service, Geologic Resources Division