This specimen is Andesite. Andesite is a volcanic rock. The specimen measures 9 cm x 7. 5 cm x 4 cm.
- Catalog Number:
- 402919
- Object/Specimen Description:
- Specimen Count:
- 1
- Locality:
- US High Plains and Rocky Mountains (ID, MT, ND, SD, WY, CO)
- Collecting Locality:
- North America, United States, Montana, Gallatin County