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 the remains of organisms that lived during a very specific and well-defined time span, and are able to be recognized from various, distant locations; hence, they
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Index fossils (n. are the fossil remains of an
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D. Index fossils are organisms that are always found in a specific depth of strata relative to others, regardless of where in the world they are found. The important point is that
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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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