Chronometric dating examples
Geologists use radiocarbon to date such materials as wood and pollen trapped in sediment, which indicates the date of the sediment itself.This is different to relative dating, which only puts geological events in time Most absolute dates for rocks are obtained with radiometric methods.These use radioactive minerals in rocks as geological clocks.Chronometric dates are given in numbers of years since or before the beginning of some calendar system. That point can be in the past, the present, or the future.
Scientists who use chronometric dating methods usually prefer to count years from the present.
Paleoanthropologists frequently need chronometric dating systems that can date things that are many thousands or even millions of years older.
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