| Reference | {Deposit:: KESLER, S. E., J. F. SUTTER, M. J. ISSIGONIS, L. M. JONES,}{Deposit:: AND R. L. WALKER, EVOLUTION OF PORPHYRY COPPER MINERALIZA-}{Deposit:: TION IN AN OCEANIC ISLAND ARC: PANAMA, ECONOMIC GEOLOGY,}{Deposit:: V. 72, 1977, PP. 1142-1153.} |