| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium and colluvium |
0-100 |
||
EOCENE |
Green River Formation |
1000 + |
||
PLIOCENE |
Colton Formation |
500 |
||
Flagstaff Limestone |
300-1000 |
|||
North Horn Formation |
900-1200 |
|||
CRET |
Mesaverde Group |
Priee River Fm |
700 |
|
Castlegate Sandstone |
210-240 |
|||
Blackhawk Formation |
800-900 |
|||
Star Point Sandstone |
400 |
|||
Mancos Shale |
Upper Blue Gate Shale Member |
500 |
||
Emery Ss Member |
1200 |
|||
Lower Blue Gate Shale Member |
1500 |
|||
Ferron Ss Member |
720 |
|||
Tununk Shale Member |
940 |
|||
Dakota Sandstone |
100 |
|||
Cedar Mountain Fm |
300 |
|||
JURASSIC |
Morrison Fm |
400 |
||
Summerville Fm |
600 |
|||
Curtis Formation |
190 |
|||
Entrada Sandstone |
1000 |
|||
Arapien Shale |
1100 |
|||
Twin Creek Limestone |
550 |
|||
Navajo Sandstone |
900 |
|||
Kayenta Formation |
120 |
|||
Wingate Sandstone |
330 |
|||
TRIASSIC |
Chinle Fm |
Upper member |
200 |
|
Moss Back Ss M |
60 |
|||
Moenkopi Formation |
Upper member |
1200 |
||
Sinbad Ls Mbr |
270 |
|||
Black Dragon Mbr |
250 |
|||
PERMIAN |
Kaibab Fm |
Harrisburg Mbr |
150 |
|
Fossil Mtn Mbr |
110 |
|||
Pakoon Dolomite |
800 |
|||
MISS |
Redwall Limestone |
800 + |
||
DEV |
Undivided Devonian Hs, dolomite, & ss |
600 + |
||
CAMB |
Undivided Cambrian dolomite, limestone shale & quartzite |
1500 + |
||
|
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 |
