|
Cobaltoan Calcite |
|
Amethyst |
|
Galena |
|
Coprolite |
|
Fern |
|
Agatized Coral |
|
Phylum Mollusca, Class Cephalopoda |
|
Phylum Echinodermata, Class Echinoidea (Hemipneustes striato-radiatus) |
|
Freshwater Fish |
|
Petrified Wood |
|
The Geologic Time Spiral |
|
Phylum Arthropoda, Class Cirripedia |
|
Trace Fossils |
|
Phylum Arthropoda, Class Trilobita |
|
Dinosaur Rib Section |
|
Phylum Echinodermata, Class Crinoidea |
|
Phylum Cnidaria, Class Anthozoa |
|
Phylum Echinodermata, Class Crinoidea |
|
Marcasite |
|
Banded Iron Formation |
