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Geological Time Machine
This University of California site provides an interactive geologic time scale to explore the history of the Earth. Beginning in the Precambrian Eon (4.6 million years ago) and ending today (Holocene Epoch), each Epoch, Period, Era, and Eon are covered. Information provided includes ancient life, dates, descriptions of major events, localities, tectonics, and stratigraphy. Links to additional resources are also available.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • For the classroom:
    • Case study
    • Tutorial
  • Visual:
    • Illustration - scientific
    • Map
    • Photograph
  • Text:
    • Ref. material
  • Geological Sciences:
    • Geologic time
    • Geology
    • Paleontology
    • Structural geology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 1994-2002 by The University of California Museum of Paleontology, Berkeley, and the Regents of the University of California. All materials appearing on the UCMP Web Servers may not be reproduced or stored in a retrieval system without prior written permission of the publisher and in no case for profit.
DLESE Catalog ID: DLESE-000-000-001-372
Related resources:
This resource is referenced by 'Teacher Resources at Univ. of California: Museum of Paleontology'
This resource is part of 'Continental Drift'
Resource contact / Creator / Publisher:
Author: Mr Allen G. Collins
Laboratory of Kaustuv Roy