Asked by Robin Jolly on Jul 05, 2024
Verified
What structural and metamorphic features form in a fold and thrust belt?
A) anticlines and synclines related to movement of thrust sheets over bends in thrust faults
B) cleavage
C) a predominance of normal faults
D) all of these
E) a and b only
Fold and Thrust Belt
A region in the earth's crust where the rocks have been deformed by horizontal compression, leading to the formation of folds and thrust faults.
Anticlines
Upwardly convex folds in rock layers, typically formed through compression within the Earth's crust.
Synclines
Downward-curving folds in sedimentary strata, opposite of anticlines, which can also be indicators of oil and gas deposits.
- Provide an overview of the structural characteristics that can arise in connection with faults, including folds, cleavage, and shear zones.
- Acquire knowledge on the connection between metamorphic processes and geological features like folds, thrust belts, and mid-ocean ridges.
Verified Answer
JS
Julian SantosJul 08, 2024
Final Answer :
E
Explanation :
In a fold and thrust belt, anticlines and synclines form due to the movement of thrust sheets over bends in thrust faults, and cleavage is a common metamorphic feature resulting from deformation. Normal faults are not predominant in these settings; rather, thrust faults are.
Learning Objectives
- Provide an overview of the structural characteristics that can arise in connection with faults, including folds, cleavage, and shear zones.
- Acquire knowledge on the connection between metamorphic processes and geological features like folds, thrust belts, and mid-ocean ridges.