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5.1: Geological Stresses

Difficulty Level: Basic Created by: CK-12
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Vocabulary

TermDefinition
compression Stresses that push toward each other; this causes a decrease in the space that a rock can take up.
confining stress Stress from the weight of material above a buried object; this reduces volume the rock is in.
deformation Strain; the change of shape that a rock undergoes when it has been altered by stresses.
fracture Break in rock caused by stresses; this happens with or without the movement of material.
shear Parallel stresses that move past each other in opposite directions.
strain Deformation in a rock when the stress exceeds the rock's internal strength.
stress Force per unit area in a rock.
tension Stresses that pull material in opposite directions.

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Description
Difficulty Level:
Basic
Grades:
6 , 7
Date Created:
Jan 04, 2013
Last Modified:
Aug 29, 2016
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SCI.ESC.352.L.2