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Climate chronology uses evidence of a climatic change, such as an ice age, as a benchmark for dating.

states, Before the 20th century, archaeologists and geologists were largely limited to the use of relative dating techniques.

Estimates of the absolute age of prehistoric and geological events and remains amounted to little more than inspired guesswork, as there was no scientific basis for testing such proposals.

Long before geologists tried to quantify the age of the Earth they developed techniques to determine which geologic events preceded another, what are termed "relative age” relationships.

These techniques were first articulated by Nicolas Steno, a Dane living in the Medici court of Italy in the 17th C.

Last modified 11-Feb-2016 16:57