TY - BOOK ED - Geological Survey (U.S.) TI - Base- and precious-metal concentrations of early Proterozoic massive sulfide deposits in Arizona: crustal and thermochemical controls of ore deposition T2 - U.S. Geological Survey bulletin PY - 1995/// CY - Washington, Denver, CO PB - U.S. G.P.O., For sale by U.S. Geological Survey, Information Services KW - Ore deposits KW - Arizona KW - Sulphides KW - Geology, Stratigraphic KW - Proterozoic N1 - 'U.S. Department of the Interior, U.S. Geological Survey'--T.p. verso; Shipping list no.: 96-0053-P; Includes bibliographical references (p. 30-36) ER -