Lewis, P.H., 1973, Ultramafic inclusions in limburgite, Hopi Buttes Volcanic Field, Arizona: Provo, Utah, Brigham Young University, M.S. thesis. Authors Lewis, P.H. Publication Date 1973 Citation Provo, Utah, Brigham Young University, M.S. thesis. State AZ Province CP County NA Placenames Hopi Buttes Keywords Volcanic Igneous Ultramafic Xenoliths Geochemistry More Keywords Volcanic, Igneous, Ultramafic, Xenoliths, Geochemistry, AzGeoBib RefNum 5923