Determine: Ds

question 142

Essay

Determine:
ds

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Definitions:

Basalt Eruptions

Volcanic eruptions that produce basalt, a dark-colored volcanic rock rich in iron and magnesium, characterized by low viscosity lava flows.

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.