Megabreccia

Simons, F.S., Raup, R.B., Hayes, P.T., and Drewes, H.D., 1966, Exotic blocks and coarse breccias in Mesozoic volcanic rocks of southeastern Arizona, in Geological Survey research 1966: U.S. Geological Survey Professional Paper 550-D, p. D12-D22.

Simons, F.S., 1964, Geology of the Klondyke quadrangle, Graham and Pinal Counties, Arizona [Klondyke, Oak Grove Canyon, Cobre Grande Mtn., and Booger Canyon 7.5 min]: U.S. Geological Survey Professional Paper 461, 173 p.

Schmidt, E.A., 1971, A structural investigation of the northern Tortilla Mountains, Pinal County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 248 p., 5 sheets, scales 1:12,000, 1:2,400, and 1:24,000.

Scarborough, R.B., and Shafiqullah, M., 1979, Cenozoic sediments and tectonics, Arizona Basin and Range Province [abs.]: Geological Society of America Abstracts with Programs, v. 11, no. 7, p. 511.

Sawyer, D.A., 1987, Late Cretaceous caldera volcanism and porphyry copper mineralization at Silver Bell, Pima County, Arizona: Geology, petrology, and geochemistry: Santa Barbara, University of California, Ph.D. dissertation, 383 p.

Naruk, S.J., Bykerk-Kauffman, A., Currier, D.A., Faulds, J.E., and Lewis, S.W., 1983, Kink folding in an extensional terrane [abs.]: Geological Society of America Abstracts with Programs, v. 15, no. 5, p. 404.

Miller, J.M.G., and John, B.E., 1988, Detached strata in a Tertiary low-angle normal fault terrane, southeastern California: A sedimentary record of unroofing, breaching, and continued slip: Geology, v. 16, no. 7, p. 645-648.

McCoy, S., Jr., 1964, A description of the limestone blocks of the Tucson Mountain Chaos, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 45 p.

Mayo, E.B., and McCullough, E.J., Jr., 1964, Emplacement of basement blocks in the Tucson Mountain Chaos near Tucson, Arizona: Arizona Academy of Science, Journal, v. 3, no. 2, p. 81-86.

Mayo, E.B., 1971, Defense of 'volcanic orogeny': Arizona Geological Society Digest, v. 9, p. 39-60.