- a large body of intrusive igneous rock believed to have crystallized at a considerable depth below the earth's surface; pluton.
Origin of batholith
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for batholith
Upon the southwestern border of the batholith the number of aplitic dikes greatly increases.The Andes of Southern Peru
- a very large irregular-shaped mass of igneous rock, esp granite, formed from an intrusion of magma at great depth, esp one exposed after erosion of less resistant overlying rocks
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for batholith
Online Etymology Dictionary, © 2010 Douglas Harper
- A large mass of igneous rock that has intruded and melted surrounding strata at great depths. Batholiths usually have a surface area of over 100 km2 (38 mi2).
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