Asked by Denise Uruchima on Jul 15, 2024
Verified
Which layer in the earth is similar in composition to basalt, a dark lava rock?
A) continental crust
B) oceanic crust
C) upper mantle
D) lower mantle
E) core
Basalt
A fine-grained, dark-colored mafic igneous rock, with or without vesicles and phenocrysts of pyroxene, olivine, or feldspar.
Dark Lava Rock
Often basalt, this is a type of volcanic rock that is rich in iron and magnesium, giving it a dark coloration.
Continental Crust
The thick part of the Earth's crust that forms the continents and continental shelves, consisting mainly of granitic rocks.
- Distinguish and apprehend the construct and constituents of the terrestrial layers.
Verified Answer
SZ
Sasha ZanjaniJul 18, 2024
Final Answer :
B
Explanation :
The oceanic crust is similar in composition to basalt, a dark lava rock, because it is primarily composed of basaltic rocks formed from the cooling of magma at mid-ocean ridges.
Learning Objectives
- Distinguish and apprehend the construct and constituents of the terrestrial layers.