This collection with rock types and associations with the North American continent contains 50 specimens with each group represented: igneous, metamorphic, and sedimentary. Specimens are approximately 1" x 1",number coded in compartmented container.
The current collection contains:
IGNEOUS ROCKS
| Syenite-CO |
Obsidian-UT |
| Granite-potassium-CO |
Rhyolite Porphyry-CO |
| Pegmatite-CO |
Vitrophyre-CO |
| Andesite-CO |
Vesicular Basalt-CO |
| Tuff-CO |
Monzonite Porphyry-CO |
| Granite-sodium-CO |
Basalt-CO |
| Diorite-CO |
Granodiorite-CO |
| Rhyolite-CO |
Gabbro-WY |
| Pumice-CA |
Anorthosite-WY |
| Carbonatite-QUE |
Scoria-CO |
| Breccia-CO |
Trachyte-CO |
SEDIMENTARY ROCKS |
| Coquina-TX
|
Conglomerate- CO
|
| Siltstone-CO
|
Sandstone-CO
|
| Rock Salt-UT
|
Oil Shale-CO
|
| Limestone-CO
|
Fossiiiferous Limestone-TX
|
| Bituminous Coal-WY
|
Arkose-CO
|
| Gypsum-CO
|
Shale-CO
|
| Breccia-CO
|
Calcareous Tufa-SD
|
| Dolomite-CO
|
Sandstone-banded-WY
|
METAMORPHIC ROCKS
|
| Gneiss-CO
|
Slate-VT
|
| Mica Schist-WY
|
Garnet Schist-SD
|
| Amphibolite-CO
|
Homfels-WY |
| Serpentinite-WY
|
Quartzite -WY
|
| Phyllite-SD
|
Anthracite Coal-PA
|
| Marble-WY
|
Chlorite Schist-CO
|
|
|
