| Formation / Members |
Thick- ness |
Rock Type | | |
QUAT |
Alluvium & dune sand |
0-100 |
||
TERT |
Lamprophyric dike near Oljeto |
intrusive |
||
JURASSIC |
Glen Canyon Group |
Navajo Sandstone |
600 + |
|
Kayenta Formation |
200-230 |
|||
Wingate Sandstone |
310-360 |
|||
TRIASSIC |
Chinle Fm |
undivided n. arizona members |
770-1020 |
|
Shinarump Cg Mbr |
0-200 |
|||
Moenkopi Formation |
100-350 |
|||
Hoskinnini Sandstone |
40-120 |
|||
PERMIAN |
Cutler Group |
DeChelly Sandstone |
0-400 |
|
Organ Rock Formation |
300-700 |
|||
Cedar Mesa Sandstone |
500-700 |
|||
Halgaito Formation |
400-700 |
|||
PENN |
Hermosa Group |
Honaker Trail Formation |
500-1000 |
|
Paradox Formation |
200-400 |
|||
Pinkerton Trail Formation |
400-600 |
|||
Molas Formation |
150 |
|||
MISS |
Redwall Ls |
Horseshoe Mesa M |
110 |
|
Mooney Falls Member |
220 |
|||
Thunder Springs M |
140 |
|||
Whitmore Wash M |
90 |
|||
DEV |
Ouray Limestone |
110 |
||
Elbert Formation |
310 |
|||
CAMB |
Muav Limestone |
630 |
||
Bright Angel Shale |
290 |
|||
Tapeats Sandstone |
180 + |
|||
|
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 |
