Fossilisation; Fossilization for Americans.
fossilization
The process is call petrification, via permineralization.
It's called 'calcification'
Fossilization
I think your referring to fossilization.
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It's called fossilization, and in particular, replacement and recrystallization.
Fossilisation; Fossilization for Americans.
The process is called "petrification".
The detrital food web involves consuming a dead animal for example, a vulture. The decomposing remains of the carcass become nutrients for the soil, thus returning the minerals back into the ground, possibly nitrates would be involved in the process.
A cast fossil is formed when minerals fill in an impression left by an organism.
A fossil is the prehistoric remains of a plant or animal. After an animal or plant dies, it may be buried under many layers of mud, sand, or rock, and under intense pressure a replica of that animal or plant is formed from minerals.