Question

what is the term for the gray igneous intrusive structure depicted in the cross - section above? a) dike b) lava flow c) batholith d) sill

Explanation:

A dike is a discordant igneous intrusion that cuts across pre - existing rock layers. In the image, the gray igneous intrusion cuts across the other layers, which is characteristic of a dike. A lava flow is extrusive and on the surface, a batholith is a large mass of intrusive igneous rock, and a sill is a concordant intrusion parallel to rock layers.

Answer:

A. dike