Anthropology 101.10

Anthropology 101.10 - Fossils and their place in time and...

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Fossils and their place in time and nature. What is a fossil: - Bone, foot print, impression, - The physical remains of part or all of once living organisms, mostly bones and teeth, that have become mineralized by the replacement of organic with inorganic materials Taphonomy- the study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. The transition from the biosphere to the lithosphere. Everything that happens after an individual dies. The study of how a fossil assemblage is made Sequence of events that leads to the creation of a fossil are by chance and are specific Steps in fossilization - 1. Burial o Decomposition as to be inhibited o Fossilization depends on local geological conditions o The remains need to be covered rapidly by sediments unless the environment is extremely dry. o Preservation (burial) is most likely in geologically active areas o Common in wet regions without rapidly moving water, such as swamps, river deltas,
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This note was uploaded on 11/17/2011 for the course ANTH 101 taught by Professor Streeter during the Fall '08 term at Boise State.

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Anthropology 101.10 - Fossils and their place in time and...

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