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Dating
There
is a history of Earth
recorded in rock layers. This wonderful history was revealed
to humans once scientists understood the origin of fossils
and the details of sedimentary rock formation. Relative
dating techniques determined a chronology or arrangement
of events in time. Radiometric dating places
absolute
dates, measured in years, to the relative-dated chronology.
Click on the words below to explore. |
Priscacara liops
Green River Formation, Eocene
Wyoming, USA
Plate 43 cm x 62 cm
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