Asked by Kaylan Summey on Jul 26, 2024
Verified
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
Ophiolite
A section of the Earth's oceanic crust and the underlying upper mantle that has been uplifted and exposed above sea level.
Oceanic Crust
The part of the Earth's crust that underlies the ocean basins, composed mostly of basalt and thinner than continental crust.
Continental Crust
The relatively thick part of the earth's crust that forms the large landmasses. It is generally older and more complex than oceanic crust.
- Elucidate the extensive effects and markers of plate tectonics on the formation of igneous rocks.
Verified Answer
JD
Justin Deturbide
Aug 02, 2024
Final Answer :
A
Explanation :
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.
Learning Objectives
- Elucidate the extensive effects and markers of plate tectonics on the formation of igneous rocks.