| Formation / Members | Thick- ness | Rock Type | ||
QUAT |
Younger alluvium-colluvium |
0-500 |
||
Older alluvium & valley fill |
0-1000 |
|||
TERT |
Cazier Canyon Agglomerate |
0-750 |
||
Copperopolis Latite |
0-50 |
|||
Fernow Quartz Latite |
0-50 |
|||
Goldens Ranch Fm |
Sage Valley Ls M |
0-260 |
||
Hall Canyon Cg Mbr |
800 |
|||
Chicken Cr Tuff M |
0-100 |
|||
Green River Fm |
820 |
|||
Colton Fm |
260 |
|||
Flagstaff Fm |
320 |
|||
North Horn Formation |
1200 |
|||
CRET |
Cg of Spring Canyon (Upper Indianola?) |
1100 |
||
Undivided Cretaceous strata - Indianola and Cedar Mountain Fms? |
2000 |
|||
JURASSIC |
Twist Gulch Formation |
2000 |
||
Arapien Shale |
2800 |
|||
Twin Creek Limestone |
800 |
|||
Nugget Sandstone |
1400 |
|||
TRIASSIC |
Ankareh Formation |
950 ? |
||
Thaynes Formation |
1300 ? |
|||
Woodside Shale |
1000 ? |
|||
PERMIAN |
Park City Group |
Franson Fm |
540 |
|
Meade Peak Phos |
300 |
|||
Grandeur Limestone |
850 |
|||
Diamond Creek Ss |
500-800 |
|||
Oquirrh Group |
Furner Valley Limestone |
5400 |
||
PENN |
Bingham Mine Formation |
3200 |
||
Butterfield Peaks Formation |
5800 |
|||
|
Data Sources:
*Still Gathering/Under Construction* USGS Special Publications by Various Authors Roadside Geology of Utah by Halka Chronic Field Guide: Northern Colorado Plateau by Keith Rigby Geologic History of Utah by Lehi Hintze- Purchase Information |

