| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium & colluvium |
0-100 |
||
TERT |
Volcanic ss & cg |
350-1400 |
||
MIOCENE |
Steamboat Mountain Fm |
0-1500 |
||
Blawn Fm |
Rhyolite member |
0-500 |
||
Mafic flow member |
0-1500 |
|||
Bauers Tuff Mbr Condor Canyon |
0-400 |
|||
Dacite of Spanish George Spring |
0-800 |
|||
OLIG |
Isom Formation |
0-2500 |
||
Hornblende andesite flows |
0-800 |
|||
Lund Fm |
Andesite member |
0-1300 |
||
Tuff member |
0-1800 |
|||
Ryan Spring Fm |
Rhyolite flow mbr |
0-600 |
||
Mackleprang Tuff M |
0-1500 |
|||
Andesite Flow mbr |
0-3000 |
|||
Greens Canyon Tuff |
0-1500 |
|||
Wah Wah Springs Fm |
Intracaldera member |
100-7000 |
||
Outflow tuff member |
0-1600 |
|||
Cottonwood Wash Tuff |
0-100 |
|||
Escalante Desert Fm |
Beers Spring Mbr |
0-500 |
||
Lamerdorf Tuff M |
0-200 |
|||
Andesite flow mbr |
0-200 |
|||
Marsden Tuff Mbr |
0-1000 ? |
|||
Sawtooth Peak Formation |
0-1000 |
|||
PENN |
Callville Limestone |
850 |
||
MISS |
Joana Limestone |
400 |
||
DEV |
Pilot Shale |
0-350 |
||
Guilmette Formation |
50-1300 |
|||
Simonson Dolomite |
150 + |
|||
Sevy Dolomite |
350 + |
|||
SILURIAN |
Laketown Dolomite |
1100 |
||
ORD |
Ely Springs Dolomite |
500 |
||
Eureka Quartzite |
500 |
|||
Crystal Peak Dolomite |
240 |
|||
Lehman & Kanosh Fms undiv |
500 |
|||
Juab & Wah Wah Ls undivided |
500 |
|||
Fillmore Formation |
1500 |
|||
House Limestone |
400 |
|||
CAMB |
Notch Peak Formation |
2000 |
||
Orr Formation |
1300 |
|||
Wah Wah Summit Fm |
White member |
160 |
||
Lower member |
600 |
|||
Trippe Limestone |
100 + |
|||
|
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 |
