the process of showing that rocks or geologic events occurring at different location are the same age
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Explanation:
The process of showing that rocks or geologic events occurring at different locations are of the same age is called correlation...
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Correlation is the process of showing that rocks or geologic events occurring at different location are the same age.
Explanation:
- Correlation is an important geological technique because it provides information with regard to changes that have taken place at various time in earth's history.
- Correlation is the process of establishing which sedimentary strata are of the same age but geographically separated.
- Correlation involves matching a particular rock unit in one exposure with its counterpart at a different locality using criteria such as colour, mineral composition, characteristic fossils etc.
- By correlating various rock exposures separated by great distances, geologic maps can be constructed and the original geographical extent of the rocks can be estimated.
- The principle of fossil correlation states that like assemblages of fossils are the same age and therefore strata containing these particular fossils are also the same age.
- Fossils are therefore very useful in correlating, or matching up rock sequences in exposures separated by great distances.
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