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11 Cards in this Set
- Front
- Back
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Unconformity |
A surface that represents a break in the rock record caused by erosion or deformation |
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Nonconformity |
An unconformity in which order metamorphic rocks are overlaid by younger rocks |
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dis conformity |
Unconformity in which the bed above it and below are parallel |
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Angular unconformity |
Unconformity and we're still errors below dip at an angle different from the other layers above it |
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In conclusion |
A piece of one rock unit contained within another in other words one rock cutting in between or through another |
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Index fossil |
A fossil that is associated with a particular span of geologic time |
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Catastrophism |
The concept that Earth was shaped by a catastrophic event |
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Paleontology |
The systematic study of fossils and the history of life on Earth |
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Relative dating |
Rocks placed in their proper sequence of order |
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Principle of cross-cutting |
A rock or fault is younger than any rock through which it cuts |
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Uniformitarianism |
The processes that have shaped earth in the geological past are essentially the same as those operating today |
