Humbug Formation

Usage of Geologic Unit Name:
Humbug Formation(CO*,ID*,UT*,WY*)
Mississippian, Late*
Geologic Province:
Wasatch uplift*
Piceance basin*
Great Basin province*
Green River basin*
Snake River basin*
Uinta uplift*
Areal Extent:

Type Locality:
Not designated. Named for the Humbug mine, T. 10 S., R. 2 W., Utah Co., UT (Tower, Jr., and Smith, 1899)

Unit Name History:
First used (Tower, Jr., and Smith, 1899). Revised (Loughlin, IN Lindgren and Loughlin, 1919). Revised; Areal limits (Gilluly, 1932). Revised (Granger and others, 1952). Overview (Morris and Lovering, 1961). Not used (Hansen, 1965). Areal limits (Sandberg and Poole, 1977; Hansen, 1977; Platt, 1977; Hansen and others, 1983; Sando, 1988).


Tower, G.W., Jr. and Smith, G.O., 1899, Geology and mining industry of the Tintic district, Utah: U.S. Geological Survey Annual Report, 19, pt. 3, p. 601-767.

Loughlin, G.F., 1919, General geography and geology, Part 1, IN Lindgren, Waldemar, and Loughlin, G.F., Geology and ore deposits of the Tintic mining district, Utah: U.S. Geological Survey Professional Paper, 107, p. 15-104, (incl. geologic map, scale 1:62,500).

Gilluly, James, 1932, Geology and ore deposits of the Stockton and Fairfield quadrangles, Utah: U.S. Geological Survey Professional Paper, 173, 171 p.

Granger, A.E., Calkins, F.C., Crittenden, M.D., Jr. and Sharp, B.J., 1952, Geology of the Wasatch Mountains east of Salt Lake City, IN Marcel, R.E., ed., Geology of the central Wasatch Mountains, Utah: Utah Geological Society, Guidebook to the geology of Utah, no. 8, p. 1-37.

Morris, H.T. and Lovering, T.S., 1961, Stratigraphy of the East Tintic Mountains, Utah: U.S. Geological Survey Professional Paper, 361, 145 p., (incl. geologic map, scale 1:96,000).

Hansen, W.R., 1965, Geology of the Flaming Gorge area, Utah-Colorado-Wyoming: U.S. Geological Survey Professional Paper, 490, 196 p.

Platt, L.B., 1977, Geologic map of the Ireland Springs-Samaria area, southeastern Idaho and northern Utah: U.S. Geological Survey Miscellaneous Field Studies Map, MF-890, 1 sheet, scale 1:48,000.

Hansen, W.R., 1977, Geologic map of the Canyon of the Lodore South quadrangle, Moffat County, Colorado: U.S. Geological Survey Geologic Quadrangle Map, GQ-1403, 1 sheet, scale 1:24,000.

Sandberg, C.A. and Poole, F.G., 1977, Conodont biostratigraphy and depositional complexes of Upper Devonian cratonic-platform and continental-shelf rocks in the western United States, IN Murphy, M.A., and others, editors, Proceedings of the 1977 annual meeting of the Paleontological Society on Devonian of western North America: University of California-Riverside, Campus Museum Contributions, no. 4, Paleontological Society, 1977 Annual Meeting, Riverside, CA, November, 1977, p. 144-182.

Hansen, W.R., Rowley, P.D. and Carrara, P.E., 1983, Geologic map of Dinosaur National Monument and vicinity, Utah and Colorado: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1407, 1 sheet, scale 1:50,000, (Reprinted 1991).
Sando, W.J., 1988, Madison Limestone (Mississippian) paleokarst; a geologic synthesis, IN James, N.P., and others, editors, Paleokarst: New York, Springer-Verlag, p. 256-277.

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Last modified: 1/7/2011