Original Preservation Natural mummification by drying.

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Presentation transcript:

Original Preservation Natural mummification by drying

Unaltered Preservation Amber Deposits

Unaltered Preservation Bison and Woolly Mammoth Skin and Hair

Permineralization/Petrification Common preservation in wood and bone Which image is the altered/permineralized bone?

Petrification Petrified wood from the Petrified Forest National Park in Arizona

Replacement Silica replacement of carbonate shell What kind of animal is this?

Replacement Note new mineral that has replaced carbonate shell What kind of fossil animal is shown?

Carbonization Common in plants and animal soft parts

Molds and Casts What kind of animal is shown by this fossil?

Molds/Impressions What animals are shown by the impressions?

Trace Fossils Burrows Indicate movement, activity of organism

Trace Fossils Coprolites

Trace Fossils Footprints, trackways Note molds and casts