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Taphonomy and Fossilization

Taphonomy and Fossilization. Jess Mullins. Taphonomy. The study of what happens to an organism after death till fossilization Taphos= Greek word for burial Fossil= From Latin word “fossilis” meaning excavate & related to Fodere meaning to dig. Three Subdivisions of Taphonomy. Necrology

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Taphonomy and Fossilization

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  1. Taphonomy and Fossilization Jess Mullins

  2. Taphonomy • The study of what happens to an organism after death till fossilization • Taphos= Greek word for burial • Fossil= From Latin word “fossilis” meaning excavate & related to Fodere meaning to dig

  3. Three Subdivisions of Taphonomy • Necrology • Death/loss of part of an organism • Biostratinomy • Biological processes that affect organism after death and prior to final burial • Diagenesis • Biological Chemical and physical changes that lead to fossilization

  4. Biostratinomy- Taphonomic Indicators • Abrasion • Articulation • Bioerosion • Dissolution • Rounding • Encrustation • Fragmentation • Orientation • size What causes these indicators: • Environment • Weather- transport • Animals • Scavenging/gnawing • Trampling • Transportation

  5. Diagenesis Processes • Replacement • Recrystallization • Carbonization

  6. Taphonomic filters • Why some organisms fossilize and others do not. • Hardness • Environment- erosive vs. depositional • Accessibility of environment

  7. Bibliography • http://paleo.cortland.edu/tutorial/Taphonomy%26Pres/taphonomy.htm • http://www.geol.umd.edu/~tholtz/G331/331taphon.htm • http://www.geol.umd.edu/~tholtz/G331/331taphon.htm • ‪Handbook of Paleoanthropology‬: ‪Primate evolution and human origins : with 8 tables‬, Volume 2 ‪(Google eBook)‬

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