intrusive rock

Main Entry:  intrusive rock
Part of Speech:  n
Definition:  in geology, magma forced into cavities or cracks of other rocks and crystallized but not reaching the surface; also called plutonic rock, igneous intrusive rock
Example:  In composition, intrusive rocks include the entire sequence of igneous rock types from the dense and dark ultramafic peridotites to the very light-colored and low-density alkali granites and syenites.
Etymology:  1844's 21st Century Lexicon
Copyright © 2003-2014, LLC
Cite This Source
Previous Definition: intrusive r
Next Definition: intrusive testing
Words Near: intrusive rock
More from
Synonyms and Antonyms for intrusive rock
More from
Search for articles containing intrusive rock
More from Translator Word FAQs presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

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