.---------------------------------------------------------------------. . .
| Duchesne River F | . .
| Uinta F | . .
| (Green River F) | . |
| | . | Cenozoic
| Wasatch F | . | --------
| | . |
| Flasgstaff LS | . /
| North Horn F | 65 \
|---------------------------------------------------------------------| . | \
| Tuscher F | . | |
| Farrer F | . | |
| Price River F (SS) Mesa Verde Group | . | |
| Castlegate SS | . | |
| Blackhawk F (SS, Sh) | . | |
|---------------------------------------------------------------------| . | Cretaceous
| | . | |
| Mancos Sh | . | |
| | . | |
|---------------------------------------------------------------------| . | |
| Kaiparowits F / | . | |
| Wahweap SS / Dakota SS | . | | Mesozoic
| Straight Cliffs F / Cedar Mtn F | . / | --------
| Tropic Sh / Morrison F | 135 \ |
|---------------------------------------------------------------------| . | |
| / Summerville F \ | . | Jurassic
| \ Curtis F / San Rafael Group | . | |
| Entrada SS | . | |
| Carmel SS <--- (Page SS) | 190 / |
|---------------------------------------------------------------------| |
| (Temple Cap SS*) | 190 \ |
| Navajo SS Glen Canyon Group | . | |
| Kayenta F (Sh) | . | |
| Wingate SS <--- (Moenave F*) (* = in Zion) | . | |
|---------------------------------------------------------------------| . | Triassic
| Chinle Sh <--- (Mossback Member: uranium) | . | |
| (Shinarump Conglomerate) .----------| . | /
| Moenkopi F <--- (Sinbad LS) | | 225 /
|----------------------------------------------------------| DeChelly |
| Kaibab LS | White Rim SS \ | SS | 225 \ \
| Toroweap F (Sh) | Organ Rock Sh | Cutler F | | | | |
| Coconino SS | Cedar Mesa SS / | | 260 | Permian
| |---------------------------------------| | |
| Hermit Sh | | 260 | | Paleozoic
| Esplanade SS Supai Group | Halgaito Sh / Elephant Cyn F | | / | ---------
| Supai F (Sh) | Honaker Trail F \ | 280 \ Pennsylvanian
| | (Paradox Salt) / Hermosa F | | / |
| Redwall LS `---------------------------------------| 310 \ Mississippian
| | | / |
| Temple Butte LS (in east) | 350-400 > Devonian
| [Great Unconformity] |
| Muav LS (in west) | 500 \ |
| Bright Angel Sh Tonto Group | | | Cambrian
| Tapeats SS | 570 / /
| [Precambrian Unconformity] |
| \ Sixty Mile F | ??? \
| \ Kwagunt F | . |
| \ Galeros F | . |
| \ Nankoweap F Grand Canyon | . |
| Schist, \ Cardenas Lava Supergroup | . | Precambrian
| Granite \ Dox SS | . | -----------
| (1700+ MYA) \ Shinumo Q | . |
| \ Hakatai Sh | . |
| \ Bass F | 1200 /
`---------------------------------------------------------------------'
Dates: in millions of years before present
Abbreviations: F formation
Q quartzite
SS sandstone
Sh shale
LS limestone
Source: Mike Kelsey's Canyon Hiking Guide to the Colorado Plateau
Stephen Whitney's Grand Canyon Field Guide