Radiocarbon dating vs carbon dating

09-Jul-2019 20:41

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If this happens rapidly before significant decay to the organic tissue, very fine three-dimensional morphological detail can be preserved.

Nodules from the Carboniferous Mazon Creek fossil beds of Illinois, USA, are among the best documented examples of such mineralization.

If this hole is later filled with other minerals, it is a cast.

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The degree to which the remains are decayed when covered determines the later details of the fossil.Some fossils are biochemical and are called chemofossils or biosignatures.Permineralization is a process of fossilization that occurs when an organism is buried.The empty spaces within an organism (spaces filled with liquid or gas during life) become filled with mineral-rich groundwater.

Minerals precipitate from the groundwater, occupying the empty spaces.

Replacement occurs when the shell, bone or other tissue is replaced with another mineral.