What is another word for plutonic rock?
Pronunciation: [pluːtˈɒnɪk ɹˈɒk] (IPA) 
Plutonic rocks are igneous rocks that have been formed by the cooling and solidification of magma beneath the Earth's surface. They are also known as intrusive rocks. Some synonyms for plutonic rock include batholiths, dykes, and sills. Batholiths are massive, rounded plutonic rocks that can extend for many miles beneath the Earth's surface. Dykes are narrow plutonic rocks that cut across other rocks, while sills are thin, flat plutonic rocks that are usually found perpendicular to the direction of the rock formation. Other types of plutonic rocks include laccoliths and stocks. Laccoliths are dome-shaped plutonic rocks that have been formed by magma pushing up from beneath the Earth's surface. Stocks are smaller bodies of plutonic rock that have been intruded into the surrounding rock.
