| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium - dune sand |
0-100 |
||
JURASSIC |
Morrison Fm |
Brushy Basin Member |
300-400 |
|
Salt Wash Mbr |
200-400 |
|||
Tidwell Member |
20-60 |
|||
San Rafael Group |
Wanakah Formation |
0-60 |
||
Entrada Sandstone |
220-350 |
|||
Dewy Bridge Mbr |
20-130 |
|||
Page Sandstone |
0-100 |
|||
Glen Canyon Group |
Navajo Sandstone |
250-450 |
||
Kayenta Fm |
200-260 |
|||
Wingate Sandstone |
30-430 |
|||
TRIASSIC |
Chinle Fm |
Church Rock Member |
240-310 |
|
Owl Rock M |
70-120 |
|||
Petrified Forest M |
50-100 |
|||
Moss Baek Ss M |
0-100 |
|||
Moenkopi Fm |
Moody Canyon M |
40-120 |
||
Torrey Member |
100-200 |
|||
Sinbad Ls Mbr |
0-20 |
|||
Blaek Dragon Mbr |
0-230 |
|||
Hoskinnini Sandstone |
0-50 |
|||
PERMIAN |
Cutler Group |
White Rim Ss |
0-250 |
|
Organ Rock Fm |
0-400 |
|||
Cedar Mesa Sandstone |
300-1000 |
|||
Elephant Canyon and Halgaito Fms (rme equivalent) |
400-1200 |
|||
PENN |
Hermosa Group |
Honaker Trail Formation |
1000-1500 |
|
Paradox Formation |
500-4000 |
|||
Pinkerton Trail Formation |
200-300 |
|||
Molas Formation |
0-100 |
|||
MISS |
Leadville Limestone |
400-600 |
||
DEV |
Ouray Limestone |
100 |
||
Elbert Formation |
300 |
|||
CAMB |
Undivided Upper Cambrian dolomite, limestone, & shale |
800-900 |
||
"Bright Angel" Shale |
0-200 |
|||
Ignacio Quartzite |
100-200 |
|||
pC (PROT) |
Metamorphic roeks |
NULL |
||
|
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 Click Here to go back to the selection map |
