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Upper Cambrian

 
Sci-Tech Dictionary: Upper Cambrian
(′əp·ər ′kam·brē·ən)

(geology) The latest epoch of the Cambrian period of geologic time, beginning approximately 510 million years ago.


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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more