| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium & surficial deposits |
0-200 |
||
PLIOCENE |
Sevier River Formation |
0-200 |
||
MIOCENE |
Mount Dutton Formation mostly dacitic volcanic mudflow breccia, minor ss, cg, flows, and flow breccia |
Main Body |
1500-2500 |
|
*Osiris Tuff |
30 |
|||
OLIG |
Kingston Can, Tuff M |
30 |
||
*Three Creeks Tuff M |
100 |
|||
*Wah Wah Sp Fm, NRGp |
130 |
|||
PALEOCENE |
Flagstaff Fm / Claron Fm |
White m |
up to 1100 |
|
Red mbr |
up to 1100 |
|||
CRET |
Kaiparowits Formation |
0-50 |
||
Wahweap Formation |
0-500 |
|||
Straight Cliffs Formation |
0-1200 |
|||
Tropic Formation |
0-600 |
|||
Dakota Sandstone |
0-200 |
|||
JURASSIC |
Carmel Formation |
560 plus |
||
Navajo Sandstone (undivided Glen Canyon Group) |
1650 plus |
|||
TRIASSIC |
Chinle Formation |
120 plus |
||
Moenkopi Formation |
1000 ? |
|||
PERMIAN |
Plympton Formation |
120 |
||
Kaibab Limestone |
130 |
|||
Toro eap Formation |
120 |
|||
Queantoweap Sandstone |
600 |
|||
Pakoon Formation |
670 |
|||
PENN |
Callville Limestone |
130 |
||
MISS |
Deseret Limestone and Gardison Limestone undivided |
1100 |
||
DEV |
220 |
|||
Cove Ft Qtzt Mbr |
20 |
|||
Guilmette Formation |
200 |
|||
CAMB |
Dolomite & limestone undivided |
1800 |
||
Bright Angel Shale |
550 |
|||
Tapeats Quartzite |
150 + |
|||
|
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 |
