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kind of rock is dinosaur bone

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asked Sep 22, 2016 by mehappyfacess (120 points)

1 Answer

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This is a complex question. If you type how are fossils formed into your browser you will find a complete discussion. Most fossils are body parts or traces that are quickly buried by sediments and the soft tissues are replaced by rock forming liquids like calcite or silica. That is over-simplified but adequate for now.
answered Sep 23, 2016 by Weasel (45,930 points)

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