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A large mass of igneous rock that has melted and intruded surrounding strata at great depths.

bath′o·lith′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Adj.1.batholithic - of or relating to a batholith
geology - a science that deals with the history of the earth as recorded in rocks
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References in periodicals archive ?
The current geological model for the Santana project area has identified that gold mineralization is related to a series of hydrothermal breccias (approximately 300-500m in diameter or greater) hosted by the copula of batholithic intrusions, porphyritic stocks and by roof pendants of their volcanic host rocks.
Their survey suggested that the standard batholithic paradigm was flawed, so Hildebrand and Whalen explored batholiths at three sites in North America, and present their findings here.
Ranging in age from Early Ordovician to Late Devonian, these intrusive rocks are predominantly granites, and include several plutonic complexes of batholithic proportions, along with numerous smaller plutons (Fig.
The geochemistry also indicates that the acid and intermediate clasts probably come from a single igneous batholithic complex.