(...when good fossils go bad!)
If the steps explained in Fossil Drying Processare not followed, the fossil may completely disappear or be unrecognizable.  The following experiment was conducted to demonstrate the rapid deterioration of a moist specimen which was left exposed to Colorado's dry air.

Day 0
Beginning of experiment with fresh fossil leaf (8/15/2002 )

Day 3
Leaf cuticle disappearing & block showing several cracks (8/18/2002 )

Day 6
Leaf nearly unrecognizable, cracks throughout matrix (8/21/2002 )

Day 9
Leaf gone, wind blew shattered pieces away (8/24/2002 )
[Created 08/25/2002]
[Last Updated: NN/NN/2002]