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8 Cards in this Set
- Front
- Back
Relative Age |
Relative Age dating is the science of determining the relative order of past events.
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Absolute Age |
Absolute age is the true age of a rock or fossil. Absolute age tells scientists the number of years ago a rock layer formed.
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Law of Superposition |
The law of superposition is an axiom that forms one of the bases of the sciences of geology, archaeology, and other fields dealing with geological stratigraphic.
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Extrusion |
Extrusion
is a process used to create objects of a fixed cross-sectional profile. |
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Intrusion |
Intrusion
is any formation of intrusive igneous rock, rock formed from magma that cools and solidifies within the crust of the planet. |
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Fault |
A Fault
is a crack in the Earth's crust. |
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Uncomformity |
Uncomformity
is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous. |
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Index fossil |
Index fossil
a fossil that is useful for dating and correlating the strata in which it is found. |
