Igneous

Shride, A.F., McKee, E.D., and Harshbarger, J.W., eds., 1952, Guidebook for field trip excursions in southern Arizona, Geological Society of America, Cordilleran Section Meeting, April 10-14, 1952, Tucson, Arizona: Arizona Geological Society, 150 p.

Beus, S.S., and Morales, Michael, eds., 1990, Grand Canyon geology: New York, Oxford University Press, 518 p.

Zartman, R.E., 1974, Lead isotopic provinces in the Cordillera of the western United States and their geologic significance: Economic Geology, v. 69, no. 6, p. 792-805.

Zartman, R.E., 1973, Lead isotopic provinces in the cordillera of western United States and their geologic significance [abs.]: Geological Society of America Abstracts with Programs, v. 5, no. 7, p. 872.

Wagoner, J.L., 1979, Hydrogeochemical and stream sediment reconnaissance basic data report for Williams NTMS quadrangle, Arizona: U.S. Department of Energy Report GJBX-71(79), 74 p., 6 sheets, scale 1:250,000, 5 microfiche.

Stewart, J.H., and Carlson, J.E., 1978, Generalized maps showing distribution, lithology, and age of Cenozoic igneous rocks in the western United States, in Smith, R. B., and Eaton, G.P., eds., Cenozoic tectonics and regional geophysics of the western Cordillera: Geological Society of America Memoir 152, p. 263-264, 2 sheets, scale 1:5,000,000.

Nations, J.D., and Stump, E., 1981, Geology of Arizona: Dubuque, Iowa, Kendall/Hunt Publishing Co., 210 p.

Moore, R.B., 1978, Cenozoic igneous rocks of the Colorado Plateau [abs.], in Papers presented to the Conference on Plateau Uplift: Mode and Mechanism, A Lunar and Planetary Institute Topical Conference: Houston, Lunar and Planetary Institute, LPI Contribution 329, p. 28-30.

McDowell, F.W., 1971, K-Ar ages of igneous rocks from the western United States: Isochron/West, no. 2, p. 1-16.

Lewis, P.H., 1973, Ultramafic inclusions in limburgite, Hopi Buttes Volcanic Field, Arizona: Provo, Utah, Brigham Young University, M.S. thesis.