The Virtual Petrified Wood Museum.  Dedicated to the Exhibition and Educational Study of Permineralized Plant Material
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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.
Image of Priscacara Fossil Fish with Links to Relative Dating Absolute Time Scales Radiometric Dating Correlation of Strata and Exercises
Priscacara liops
Green River Formation, Eocene
Wyoming, USA
Plate 43 cm x 62 cm

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