Stueber, A.M., and Ikramuddin, M., 1974, Rubidium, strontium, and isotopic composition of strontium in ultramafic nodule minerals and host basalts: Geochimica et Cosmochimica Acta, v. 38, no. 2, p. 207-216.
Stosch, H.G., Jagoutz, E., Carlson, R.W., and Lugmair, G.W., 1979, Mantle differentiation as recorded by ultramafic nodules, oceanic mantle beneath continental crust [abs.]: Eos, Transactions, American Geophysical Union, v. 60, no. 46, p. 971.
Stoeser, D.B., 1974, Xenoliths of the San Francisco Volcanic Field, northern Arizona, in Karlstrom, T.N.V., Swann, G.A., and Eastwood, R.L., eds., Geology of northern Arizona with notes on archaeology and paleoclimate, Part 2 - Area studies and field guides: Geological Society of America, Rocky Mountain Section, Annual Meeting, 27th, Flagstaff, Ariz., 1974, p. 530-545.
Stoeser, D.B., 1973, Mafic and ultramafic xenoliths of cumulus origin, San Francisco volcanic field, Arizona: Eugene, University of Oregon, Ph.D. dissertation, 260 p.
Smouse, D., 1970, Inclusions within the lavas of Crater 160, San Francisco Volcanic Field, Arizona [abs.]: Geological Society of America Abstracts with Programs, v. 2, no. 5, p. 349.
Smith, Douglas, and Zientek, M., 1979, Mineral chemistry and zoning in eclogite inclusions from Colorado Plateau diatremes: Contributions to Mineralogy and Petrology, v. 69, no. 2, p. 119-131.
Smith, Douglas, 1978, Eclogite and hydrated peridotite inclusions in volcanic rocks on the Colorado Plateau, 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. 47-48.
Silver, L.T., and McGetchin, T.R., 1978, The nature of the basement beneath the Colorado Plateau and some implications for plateau uplifts, 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. 45-46.
Schulze, D.J., Helmstaedt, H., and Cassie, R.M., 1978, Pyroxene-ilmenite intergrowths in garnet pyroxenite xenoliths from a New York kimberlite and Arizona latites: American Mineralogist, v. 63, p. 258-265.
Schulze, D.J., and Helmstaedt, H., 1979, Garnet pyroxenite and eclogite xenoliths from the Sullivan Buttes latite, Chino Valley Arizona, in Boyd, F.R., and Meyer, H.O.A., eds., The mantle sample: Inclusions in kimberlites and other volcanics - Proceedings of the Second International Kimberlite Conference, Volume 2: American Geophysical Union, p. 318-329.