Utah Stratigraphic Columns    (overview page)

These stratigraphic columns are dynamically created (on the fly) from information stored in a database. Information was gathered from a number of sources - see copyright info for more information.

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Stratigraphy of
San Rafael Swell - Coal Cliffs

Period
 Formation / Members  Thick-  ness Rock Type

QUAT

Alluvium & surficial dep

0-100

 

TERT

Alkalic diabase dikes & sills

NULL

 

CRET

Mancos Shale

Blue Gate Shale Mbr

1500 +

 

Ferron Ss Member

150-400

 

Tununk Shale Mbr

400-700

 

Dakota Sandstone

0-50

 

Cedar Mountain Formation

Main Body

100-420

 

Buckhorn Cg Mbr

0-30

 

JURASSIC

Morrison Fm

Brushy Basin Member

250-400

 

Salt Wash Mbr

200-300

 

Tidwell Member

60

 

San Rafael Group

Summerville Fm

200

 

Curtis Fm

100-250

 

Entrada Fm (earthy facies)

300-400

 

Carmel Fm

250-300

 

Page Sandstone

100

 

Navajo Ss

450-550

 

Glen Canyon Gp

Kayenta Fm

50-250

 

Wingate Ss

350-400

 

TRIASSIC

Chinle Fm

150-250

 

Church Rock M

80-120

 

Moss Back Ss M

0-100

 

Moenkopi Fm

Temple Mtn NI

400

 

Moody Canyon Member

250-300

 

Torrey Mbr

50-150

 

Sinbad Ls Mbr

140-200

 

PERMIAN

Black Box Dolomite

Black Dragon M

100-200

 

White Rim Sandstone

600-800

 

Pakoon Dolomite ( Elephant Canyon )

500-700

 

PENN

Honaker Trail Fm ?

200-500

 

Paradox Fm ?

300-500

 

Pinkerton Trail Fm ?

100-200

 

MISS

Redwall Ls

600-1000

 

DEV

Ouray Limestone

100-200

 

Elbert Fm

200-400

 

CAMB

Lynch Dolomite & Maxfield Limestone undivided

1000-1300

 

Ophir Fm

200

 

Tintic Quartzite

150-300

 

pC (PROT)

schist

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





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