An ophiolite is:
A) a sliced-off piece of oceanic crust that has been thrust onto the edge of a continent or island
B) a mineral consisting of basalt and gabbro formed in the mantle
C) a mixture of mafic and felsic magma within pillow basalts

Question

Quizplus · Accepted Answer

Ophiolites are fragments of oceanic crust and the underlying upper mantle that have been uplifted and exposed above sea level and often emplaced onto continental crustal rocks. They provide valuable insights into the nature of the oceanic crust and processes at mid-ocean ridges.

An Ophiolite Is