Flagstaff Limestone

Usage of Geologic Unit Name:
Flagstaff Limestone (UT*)
Flagstaff Formation (UT)
Flagstaff Member of Green River Formation (UT*)
Paleocene, late*
Thanetian, late*
Eocene, early* (local)
Ypresian, late*
Geologic Province:
Uinta basin*
Wasatch uplift*
Great Basin province*
Paradox basin*
Areal Extent:

Type Locality:
Not designated. Named for Flagstaff Peak, Wasatch Plateau, Sevier Co., UT (Spieker and Reeside, 1925).

Formation rank (alphabetical): /Cove Mountain Member (UT), Ferron Mountain Member (UT), Musinia Peak Member (UT), Wales Tongue (UT).

Unit Name History:
Named Flagstaff Limestone Member, middle member of Wasatch Formation (Spieker and Reeside, 1925). Revised as Flagstaff Limestone (rank raised) (Spieker, 1946). Not used in central UT (Schneider, 1967). Revised as a member of Green River Formation (Fouch, 1976; Young, 1976). Age modified (Baker, 1976). Redescribed; Overview (Willis, 1986). Overview (Fouch and others, 1983). Areal limits; Overview (Fouch and others, 1987). Overview (Witkind, 1988; Weiss and others, 1990). Wales Tongue named (Lawton and others, 1994).


Spieker, E.M. and Reeside, J.B., Jr., 1925, Cretaceous and Tertiary formations of the Wasatch Plateau, Utah: Geological Society of America Bulletin, v. 36, no. 3, p. 435-454.

Spieker, E.M., 1946, Late Mesozoic and early Cenozoic history of central Utah, IN Shorter contributions to general geology, 1943-45: U.S. Geological Survey Professional Paper, 205-D, p. D117-D161.

Schneider, M.C., 1967, Early Tertiary continental sediments of central and south-central Utah: Brigham Young University Geology Studies, v. 14, p. 143-194.

Baker, A.A., 1976, Geologic map of the west half of the Strawberry Valley quadrangle, Utah: U.S. Geological Survey Miscellaneous Investigations Series Map, I-931, 1 sheet, scale 1:63,360.

Young, G.E., 1976, Geology of the Billies Mountain quadrangle, Utah County, Utah: Brigham Young University Geology Studies, v. 23, pt. 1, p. 205-280.

Fouch, T.D., 1976, Revision of the lower part of the Tertiary system in the central and western Uinta basin, Utah, IN Contributions to stratigraphy: U.S. Geological Survey Bulletin, 1405-C, p. C1-C7.

Fouch, T.D., Lawton, T.F., Nichols, D.J., Cashion, W.B. and Cobban, W.A., 1983, Patterns and timing of synorogenic sedimentation in Upper Cretaceous rocks of central and northeast Utah, IN Reynolds, M.W., and Dolly, E.D., editors, Mesozoic paleogeography of the west-central United States: Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section, Rocky Mountain Paleogeography Symposium, v. 2, p. 305-336.

Willis, G.C., 1986, Geologic map of the Salina quadrangle, Sevier County, Utah: Utah Geological and Mineral Survey Map, M-83, 20 p., 1 sheet, scale 1:24,000.

Fouch, T.D., Hanley, J.H., Forrester, R.M., Keighin, C.W., Pitman, J.K. and Nichols, D.J., 1987, Chart showing lithology, mineralogy, and paleontology of the nonmarine North Horn Formation and Flagstaff Member of the Green River Formation, Price Canyon, central Utah; a principal reference section: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1797-A, 8 p., 1 sheet.

Witkind, I.J., 1988, Geologic map of the Huntington 30' x 60' quadrangle, Carbon, Emery, Grand, and Uintah Counties, Utah: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1764, 1 sheet, scale 1:100,000.

Weiss, M.P., Witkind, I.J. and Cashion, W.B., 1990, Geologic map of the Price 30' x 60' quadrangle, Carbon, Duchesne, Uintah, Utah, and Wasatch Counties, Utah: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1981, 1 sheet, scale 1:100,000.

Lawton, T.F., Talling, P.J., Hobbs, H.C., Trexler, J.H., Jr., Weiss, M.P. and Burbank, D.W., 1993, Structure and stratigraphy of Upper Cretaceous and Paleogene strata (North Horn Formation), eastern San Pitch Mountains, Utah; Sedimentation at the front of the Sevier orogenic belt, IN Evolution of sedimentary basins; Uinta and Piceance basins: U.S. Geological Survey Bulletin, 1787-II, p. II1-II33, (incl. geologic map, scale 1:12,000).

Talling, Peter J., Burbank, Douglas W., Lawton, Timothy F., Hobbs, Robert S., and Lund, Steven P., 1994, Magnetostratigraphic chronology of Cretaceous-to-Eocene thrust
belt evolution, central Utah, USA: Journal of Geology, v. 102, no. 2, p. 181-196.

Moore, David W; Straub, Arthur W., 2001, Correlation of Upper Cretaceous and Paleogene(?) rocks beneath the Claron Formation, Crow Creek, western Markagunt Plateau, Southwest Utah: In, The geologic transition, high plateaus to Great Basin; a symposium and field guide; the Mackin volume; Erskine, M. C., Faulds, James E., Bartley, John M., Rowley, Peter D., American Association of Petroleum Geologists - Pacific Section, Guidebook, v. 78, p. 75-95.

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Note that data on this page contains information that has been partly revised from bibliographic resources available via the National Geologic Map Database GEOLEX:
The URL is: https://gotbooks.miracosta.edu/gonp/coloradoplateau/lexicon/flagstaff.htm
Last modified: 1/7/2011