Why Are Index Fossils Useful to Geologists?

Answer

The reason index fossils are useful to geologists are because these fossils assist in dating the rest of the sedimentary layer. The entire layer had to be in the same time frame.
Q&A Related to "Why Are Index Fossils Useful to Geologists?"
Index fossils are fossilized remains of organisms that serve as convenient reference points to geologists because they were very widely distributed during a very short period. This
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Index fossils (n. are the fossil remains of an
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Index fossils can provide scientists with specific information. If a fossil lived only during a specific period in history or in certain environments, the scientist can date or characterize
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