| In the fossilisation process, the original organic parts of the shark's tooth are replaced by minerals such as iron pyrites and silica. |
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| By demonstrating that soft tissue can be mineralised in the laboratory we had discovered a new approach to investigating this important mode of fossilisation. |
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| The almost minuscule teeth are somewhat round and stained yellowish-brown by the fossilisation process. |
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| The almost miniscule teeth is somewhat round and stained yellowish-brown by the fossilisation process. |
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| I think back to Continuera a crescere trame che in quel punto, and its fossilisation of a moment of touch, around which the artwork symbolically grows and develops. |
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| It had always been assumed that any living matter inside the bones would have been destroyed in the intervening 68 million years by the fossilisation process. |
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