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Geologic History of Western US
http://jan.ucc.nau.edu/~rcb7/Geologic_History_WUS.html
From DLESE Community Collection (DCC)
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This web-site is a presentation showing graphically the Proterozoic and Phanerozoic geologic history of the Southwestern United States. There is a text file providing a brief narrative of the geologic history, which links to map graphics for each period. The graphics contain a scale and have labeled features to better understand what is happening as time progresses.
Intended for grade levels:
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Illustration - scientific
    • Map
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Geologic time
    • Geology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright and Other Restrictions Information is Unknown.
DLESE Catalog ID: DLESE-000-000-002-744
Resource contact / Creator / Publisher:
Author: Dr Ronald Blakey
Northern Arizona University, Department of Geology