Ara
Index fossil
01
gösterge fosili, endeks fosili
a fossilized organism that is useful for dating and correlating the strata in which it is found, typically indicative of a particular time period in Earth's geological history
Example
Geologists rely on index fossils to determine the relative age of sedimentary rock formations.
The presence of ammonite shells in a layer serves as an index fossil for the Jurassic period.
Index fossils help establish the geological timeline and the sequence of events in Earth's history.
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