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5 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Relative Age Dating |
The placing of an event in a time sequence without regard to the absolute age |
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Stratigraphy |
The study of rock strata, with emphasis on their succession, age, correlation, form, distribution, lithology, fossil content, and all other characteristics useful in interpreting their environment of origin and geological history |
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Principal of Fossil Succession |
Life found at each stage of Earth’s history is unique to a specific time interval |
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Actualism |
The basic principle of natural science that holds the laws of nature do not change with time. From this broad statement we say that we can use present observations of nature as a guide to understanding the geological past |
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Unconformity |
A surface separating an overlying younger rock formation from an underlying formation and representing an episode of erosion or nondeposition |
Gaps or breaks in geological record |
