| Formation / Members | Thick- ness | Rock Type | ||
QUAT |
Alluvium, colluvium |
0-100 |
||
Loess, pediment gravel |
0-100 |
|||
TERT |
Dikes, plugs, diatremes |
intrusive |
||
Abajo Mts laccoliths |
intrusive |
|||
CRET |
Mancos Shale |
Main Body |
0-700 |
|
Bridge Creek Ls Mbr |
0-50 |
|||
Dakota Sandstone |
30-150 |
|||
Burro Canyon Fm |
50-180 |
|||
JURASSIC |
Morrison Fm |
Brushy Basin Mbr |
200-440 |
|
Westwater Canyon M |
0-180 |
|||
Recapture Mbr |
0-285 |
|||
Salt Wash Member |
0-550 |
|||
Bluff Ss Mbr |
0-340 |
|||
Wanakah Fm |
60-200 |
|||
Entrada Sandstone |
50-400 |
|||
Carmel Fm |
0-120 |
|||
Navajo Sandstone |
300-800 |
|||
Kayenta Fm |
50-250 |
|||
Wingate Sandstone |
250-450 |
|||
TRIASSIC |
Chinle Fm |
Church Rock M |
100-500 |
|
Owl Rock Mbr |
100-400 |
|||
Petrified Forest M |
0-300 |
|||
Moss Back Cg M |
0-200 |
|||
Monitor Butte M |
0-200 |
|||
Shinarump Cg M |
0-100 |
|||
Moenkopi Fm |
Moody Canyon M |
0-100 |
||
Torrey Mbr |
200 |
|||
Hoskinnini Tongue |
0-100 |
|||
PERMIAN |
Cutler Group |
De Chelly Ss |
0-550 |
|
Organ Rock Fm |
100-900 |
|||
Cedar Mesa Sandstone |
500-1200 |
|||
Halgaito Fm |
400-500 |
|||
PENN |
Hermosa Group |
Honaker Trail Formation |
500-1500 |
|
Paradox Fm |
500-3500 |
|||
Pinkerton Trail Fm |
100-400 |
|||
Molas Formation |
0-150 |
|||
MISS |
Leadville Limestone |
300-600 |
||
DEV |
Ouray Formation |
50-140 |
||
Elbert Formation |
Main Body |
160-350 |
||
McCracken Ss Mbr |
0-120 |
|||
Aneth Formation |
0-200 |
|||
CAMB |
Supra-Muav Dolomite |
0-300 |
||
Bright AngelShale |
0-300 |
|||
Ignacio Quartzite |
100-300 |
|||
pC (PROT) |
Schist, gneiss, granitic and pegmatite dikes and plugs |
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 |

