Answered: Define metamorphic foliation. Under…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Define metamorphic foliation. Under what kind of stress does metamorphic foliation form?

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Foliation:-

If flat or elongated minerals within a rock are compressed and aligned, foliation is created.
As pressure is applied, these rocks take on a platy or sheet-like structure that reflects the pressure direction.
Foliation is the term used to describe metamorphic rocks with layers of aligned minerals.
These layers of parallel rock minerals have the appearance of stripes or bands.
These layers are formed by the minerals under extremely high pressure. The minerals flatten and lengthen when they are compressed, giving them a layered appearance.

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