rock type

 
(′räk ′tīp)

(petrology) One of the three major rock groups: igneous, sedimentary, metamorphic. A rock having a unique, identifiable set of characters, such as basalt.


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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

 

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