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Petoskey is actually fossilized coral.
The rock is called coal.
The rock is......Coal
Asphalt is not a rock, but is produced from the remains of fossilized organisms.
Coal.
The fossilized ripples tell us about the environmental conditions when the rock was formed
nothing.
coal
Bituminous coal.
Fossilized; hardened; rock-hard; immobilized. Petrified also means extreme fear.
No. Diatomite is a biological igneous rock.