Gornitz, V.M., 1986, Uranium mineralization at the Orphan mine breccia pipe, Grand Canyon, Arizona [abs.]: Geological Society of America Abstracts with Programs, v. 18, no. 5, p. 357.
Gornitz, V.M.
Geological Society of America Abstracts with Programs, v. 18, no. 5, p. 357.
Mineral District, Breccia Pipe, Geochemistry, Alteration, Mineralization, Isotope Geochemistry,