Quartz diorite

Sierra Madre--Encampment River Granodiorite 4; age 1,800 Ma. Medicine Bow Mountains--Keystone Quartz Diorite 5. Hartville uplift--Diorite of Twin Hills 6.
State Wyoming
Name Quartz diorite
Geologic age Early Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Dioritic > Quartz-dioriteKeystone Quartz Diorite
Igneous > Plutonic > Dioritic > DioriteDiorite of Twin Hills
Igneous > Plutonic > Granitic > GranodioriteEncampment River Granodiorite
References
NGMDB product
Counties Albany - Carbon - Goshen