A __________ is an intrusion of igneous rock that runs across preexisting layers of rock.
A)laccolith
B)sill
C)dike
D)batholith

Question

Quizplus · Accepted Answer

A dike is a type of intrusion of igneous rock that cuts across preexisting rock layers, often forming a wall-like feature. A laccolith is a type of intrusion that is formed when magma pushes up between layers of rock and forms a dome-shaped feature. A sill is a type of intrusion that forms when magma is injected parallel to existing rock layers and forms a horizontal sheet-like feature. A batholith is a large body of intrusive igneous rock that forms deep underground and covers an area of at least 100 square kilometers.

A __________ Is an Intrusion of Igneous Rock That Runs