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7 Cards in this Set
- Front
- Back
Relative Age |
Relative age is: the geologic age of a fossil organism, rock, or geologic feature or event defined relative to other organisms, rocks, or features or events rather than in terms of years |
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Absolute Age |
Absolute age is: the geologic age of a fossil, or a geologic event or structure expressed in units of time, usually years.
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Law of Superposition |
The law of superposition is: The law that strata underlying other strata must be the older if there has been neither overthrust nor inversion. |
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Extrusion
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Extrusion is: The emission of magma or magmatic materials at the surface of the earth. |
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Intrusion |
Intrusion is: the movement of magma from within the earth's crust into spaces in the overlying strata to form igneous rock
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Fault |
A fault is: a fracture in the earth's crust resulting in the relative displacement and loss of continuity of the rocks on either side of it
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uncomformity |
Uncomformity is: |
