A _______ is a tabular (thin but large area) intrusive body that is concordant (parallel to the host rock structure).
A) dike
B) mantle
C) threshold
D) sill
E) neck

Question

Quizplus · Accepted Answer

A sill is a thin but large tabular intrusive body that is concordant or parallel to the host rock structure. A dike, on the other hand, is an intrusive body that cuts across the host rock structure, while mantle and neck refer to different geological features. Threshold is not a relevant term in this context.

A _______ Is a Tabular (Thin but Large Area) Intrusive