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Original Preservation

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?.

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Original Preservation

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  1. Original Preservation • Natural mummification by drying

  2. Unaltered Preservation • Amber Deposits

  3. Unaltered Preservation • Bison and Woolly Mammoth Skin and Hair

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

  5. Petrification • Petrified wood from the Petrified Forest National Park in Arizona

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

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

  8. Carbonization • Common in plants and animal soft parts

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

  10. Molds/Impressions • What animals are shown by the impressions?

  11. Trace Fossils • Burrows • Indicate movement, activity of organism

  12. Trace Fossils • Coprolites

  13. Trace Fossils • Footprints, trackways • Note molds and casts

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