| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium & terrace deposits |
0-200 |
||
TERT |
Alkalic diabase dikes & sills |
1-5 wide |
||
Green River Fm |
100 + |
|||
Colton Formation |
300-1500 |
|||
Flagstaff Limestone |
200-1500 |
|||
North Horn Formation |
500-2500 |
|||
CRET |
Mesaverde Group |
Price River Formation |
600-1000 |
|
Castlegate Sandstone |
150-500 |
|||
Blackhawk Formation |
700-1000 |
|||
Star Point Sandstone |
100-1000 |
|||
Mancos Shale |
Upper Blue Gate Shale Member |
300-1300 |
||
Emery Ss Mbr |
800-50 |
|||
Lower Blue Gate Shale Member |
1600-2400 |
|||
Ferron Ss Member |
750-150 |
|||
Tununk Sh Mbr |
400-650 |
|||
Dakota Sandstone |
0-60 |
|||
Cedar Mtn Fm |
Upper member |
100-200 |
||
Buckhorn Cg Mbr |
0-50 |
|||
JURASSIC |
Morrison Fm |
Brushy Basin Member |
570 |
|
Salt Wash Member |
510 |
|||
Summerville Fm |
260-420 |
|||
Curtis Formation |
200-280 |
|||
Entrada Formation |
520-800 |
|||
Carmel Formation |
1300-400 |
|||
Navajo Sandstone |
320 |
|||
Kayenta Formation |
250 |
|||
Wingate Sandstone |
400 |
|||
TRIASSIC |
Chinle Fm |
Church Rock Mbr |
200 |
|
Moss Back Ss M |
80 |
|||
Temple Mtn Mbr |
60 |
|||
Moenkopi Fm |
Moody Canyon Mbr |
200 |
||
Torrey Member |
220 |
|||
Sinhad Ls Mbr |
60 |
|||
Black Dragon Mbr |
300 |
|||
PERMIAN |
Black Box Dolomite |
160 |
||
Cedar Mesa Ss |
450 |
|||
PENN |
"Hermosa" Fm |
450 |
||
MISS |
Madison or "Redwall" limestone & dolomite |
1200 |
||
|
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 |
