1. Types of Fossils
Fossils are evidence used to interpret and understand the history of the Earth and the things that have lived here.
By T. Brown 2004

2. PETRIFICATION: Petrified Trees
Water in the ground gradually replaces the wood with hard minerals making a “rock” shaped like the wood.
PETRIFICATION: Petrified Trees
First a tree dies and is buried by sediments.
By T. Brown 2004

3. Amber is hardened ancient tree (resin) “sap”.
By T. Brown 2004

4. Imprints are one type of trace fossil.
By T. Brown 2004

5. Carbon Film = Carbonaceous Film
By T. Brown 2004

6. CAST
MOLD
By T. Brown 2004