basement-rock

basement complex

noun Geology.
the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.

Origin:
1895–1900

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To basement-rock
Explore Dictionary.com
Previous Definition: basement-membrane
Next Definition: basename
Words Near: basement-rock
More from Thesaurus.com
Synonyms and Antonyms for basement-rock
More from Reference.com
Search for articles containing basement-rock
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature