The Fossil Record

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Formation Technologie Divertissement et humour

The Fossil Record Def: the traces or remains of animals or plants from a previous geologic time.

Most fossils are found in sedimentary rock… ,[object Object],[object Object],keichosaurus

No fossils in igneous or metamorphic rocks !? ,[object Object],[object Object]

Normally… ,[object Object],[object Object]

Mummification ,[object Object],[object Object],[object Object]

Amber ,[object Object],[object Object],[object Object]

Tar Beds ,[object Object],[object Object],La Brea Tar Pits in L.A.

Freezing ,[object Object],[object Object],[object Object]

Petrification ,[object Object],[object Object]

Molds ,[object Object],[object Object],[object Object]

Casts ,[object Object],[object Object],Montana Rhinos

Index Fossils ,[object Object],[object Object],Paradoxides :Cambrian Era

To Qualify as an Index Fossil: ,[object Object],[object Object],[object Object],[object Object],Echioceras: Jurassic Period

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