Winsor Member of Carmel Formation

Winsor Member of Carmel Formation of San Rafael Group (UT*)
Jurassic, Middle*
Bathonian, late*
Geologic Province:
Great Basin province*
Plateau sedimentary province*
Paradox basin*
Areal Extent:

Type Locality:
Not designated. Derivation of name not stated (Gregory, 1948).
Type section: 3 mi south of Mount Carmel, Kane Co., UT. Named for Winsor, the original settlement at Mount Carmel (Gregory, 1950).

Unit Name History:
First published use (Gregory, 1948). Named as a formation (Gregory, 1950). Reduced to member of Carmel Formation of San Rafael Group (Cashion, 1966). Revised (Thompson and Stokes, 1970). Overview; Areal limits (Peterson and Pipiringos, 1979).


Gregory, H.E., 1948, Geology and geography of central Kane County, Utah: Geological Society of America Bulletin, v. 59, no. 3, p. 211-247.

Gregory, H.E., 1950, Geology and geography of the Zion [National] Park region, Utah and Arizona: U.S. Geological Survey Professional Paper, 220, 200 p.

Thompson, A.E. and Stokes, W.L., 1970, Stratigraphy of the San Rafael Group, southwest and south central Utah: Utah Geological and Mineral Survey Bulletin, no. 87, 53 p.

Peterson, Fred and Pipiringos, G.N., 1979, Stratigraphic relationships of the Navajo Sandstone to Middle Jurassic formations in parts of southern Utah and northern Arizona, IN Unconformities, correlations, and nomenclature of some Triassic and Jurassic rocks, Western Interior United States: U.S. Geological Survey Professional Paper, 1035-B, p. B1-B43, Supersedes 1979, U.S. Geological Survey Open-File Report, OF-79-281, 179 p.

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Last modified: 1/7/2011