batholith A large irregularly shaped body of intrusive igneous rock, usually covering more than 100 square kilometers (40 square miles) and extending to a great depth (up to 30 km). A batholith is usually associated with a mountain belt and is often surrounded by metamorphic rock. Related category GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |