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What is a fossil?
The remains of an ancient organism
(plant or animal life)
The trace of the activity of such an
e.g. coprolites (droppings), trails, burrows…read more

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What parts are usually
The skeleton
Protein based skeletons (carbon traces)
Note: Occasionally freak conditions occur
that allow complete preservation e.g.
insects in amber, animals preserved in ice
or peat bogs…read more

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Modes of Preservation
Actual remains
Hard parts
Petrifaction / mineral replacement
Pyritization…read more

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Conditions favouring preservation
Areas of deposition
Rapid burial
Tranquil conditions (no current action)
Lack of scavengers
Lack of oxygen…read more

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