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One way that fossils form by the dead organism's soft tissue is
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Updated 6/1/2011 5:11:40 PM
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Soft Tissue Fossilization
It is possible to infer a certain amount about the missing soft parts of fossils by comparing them to living relatives. Information can be so deduced from traces such as muscle scars left on a skeleton for example. The preservation of soft parts is rare but scattered examples are found throughout the world at various localities. Examples of soft part fossil preservation include the frozen Siberian mammoths and ground sloth fur and feces. Preservation in this case is dependent on local climatic conditions and such fossils are unlikely to survive any significant amount of geological time since climate changes. Older soft bodied preservation due to protection from decay and scavenging under anaerobic conditions (without oxygen) especially at low temperatures rarely occurs. Decay is slowed allowing more time for soft parts to be buried and preserved. Despite the rarity, there are hundreds of fossil sites worldwide where soft tissue parts are preserved. Such a fossil site is known as a Lagerstätte. Examples include the early Cambrian Burgess Shale of Canada and Maotianshan Shales of China, the Carboniferous Mazon Creek Formation, and the Eocene Messel Pit of Germany.
Added 3/9/2011 7:31:26 PM
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Added 6/1/2011 5:11:40 PM
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