| Formation / Members | Thick- ness | Rock Type | ||
QUAT |
Alluvium - dunes |
0-200 |
||
EOCENE |
Uinta Fm |
Unit B |
100-600 |
|
Unit A |
400-700 |
|||
Green River Fm |
Parachute Creek Mbr |
500- 1200 |
||
Garden Gulch M |
0-200 |
|||
Cow Ridge Member |
400- 1800 |
|||
PALEOCENE |
Wasatch Formation |
300- 3000 |
||
CRET |
Mesaverde Group |
Upper Unit |
1100 |
|
Main coal unit |
500- 700 |
|||
Minor coal unit |
700- 750 |
|||
Sego Ss |
0-250 |
|||
Buck Tongue - Mancos Sh |
250-300 |
|||
Castlega e Ss Tongue |
50-200 |
|||
Mancos Shale |
Main Body |
4500- 5300 |
||
Frontier Ss Mbr |
50-200 |
|||
Mowry Sh Mbr |
0-60 |
|||
Dakota Ss |
50-100 |
|||
Cedar Mountain Fm |
Main Body |
50-100 |
||
Buckhorn Cg Mbr |
0-80 |
|||
JURASSIC |
Morrison Fm |
550-650 |
||
Stump Fm |
Curtis Mbr |
100 |
||
Ent rada Ss |
120-150 |
|||
Carmel Fm |
70 |
|||
Navajo Ss |
650 |
|||
TRIASSIC |
Chinle Formation |
Main Body |
100-200 |
|
Gartra Grit Mbr |
40-80 |
|||
Moenkopi Fm |
500 |
|||
PERMIAN |
Park City Fm |
150 |
||
PENN |
Weber Sandstone |
850 - 1150 |
||
Morgan Fm Round Valley Ls Doughnut Shale Humbug Fm undivided |
1400- 1700 |
|||
MISS |
Madison Ls |
600 |
||
ORD - DEV |
Chaffer? Manitou? 0-500 Dotsero? undivided |
0-500 |
||
CAMB |
Lodore - Sawatch Qtzt |
100-500 |
||
|
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 |

