Which type of intrusive feature forms when magma is injected into fractures cutting across rock layers?

a. a laccolith

b. a dike

c. a lava plateau

d. a sill

Question

Geography

Emerson Conway

15 August, 01:23

Which type of intrusive feature forms when magma is injected into fractures cutting across rock layers?

a. a laccolith

b. a dike

c. a lava plateau

d. a sill

+2

Answers (1)

Know the Answer?

Miley Norris · Answer 1

The answer is Dike.

In Geology, Dike is a sheet of rock formed in a fracture in a pre-existing rock body. Magmatic dikes are formed when magma intrudes into a crack then crystallize. It is an igneous body with a very high aspect ratio.

Which type of intrusive feature forms when magma is injected into fractures cutting across rock layers?a. a laccolithb. a dikec. a lava plateaud. a sill

Which type of intrusive feature forms when magma is injected into fractures cutting across rock layers?

a. a laccolith

b. a dike

c. a lava plateau

d. a sill