| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium, dunes |
0-100 |
||
Basalt of Black Hills |
0-600 |
|||
PLIOCENE |
Valley fill under Escalante Desert |
0-3000 |
||
MIOCENE |
Muddy Creek? Fm 10-6 m.y. |
Basalt of Enterprise |
0-300 |
|
Basalt of Modena |
0-200 |
|||
Mine Series Volcaniclastics of Siders (1985) |
0-1200 |
|||
Rhyolitic rocks of Flattop Mtn Suite - Hogsback, Shinbone, Cow Creek, Little Pine, Creek, & Pilot Peak |
0-1000 |
|||
Ox Valley Tuff |
0-400 |
|||
Cove Mtn Fm |
Mbr of Cedar Spr |
0-300 |
||
Basalt of Pilot Pk |
0-400 |
|||
Racer Canyon Tuff |
0-1500 |
|||
Mbr of Willow Sp |
0-50 |
|||
Porphyry of Maple Ridge |
0-300 |
|||
Breccia of Shoal Creek |
0-200 |
|||
Rencher Fm |
0-1000 |
|||
Quichapa Group |
Harmony Hills Tuff |
0-500 |
||
Breccia of Little Creek |
0-1200 |
|||
Condor Canyon Fm |
0-200 |
|||
Leach Canyon Fm |
0-350 |
|||
OLIG |
Isom Fm |
0-150 |
||
PALEOCENE |
WahWah Springs Tuff |
0-50 |
||
Claron Formation |
0-600 |
|||
CRET |
Iron Springs Formation |
2000 |
||
JURASSIC |
Carmel Fm |
Crystal Creek Mbr |
0-100 |
|
Judd Hollow Mbr |
400 |
|||
Temple Cap Fm |
200 |
|||
Navajo Sandstone |
2000 |
|||
MISS - PENN |
Pakoon Dolomite, Callville Ls, & Chainman Shale in allochthon at Goldstrike |
2000 |
||
|
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 |
