GEOPHYSICS AND GEOCHEMISTRY IN THE DISCOVERY AND DEVELOPMENT OF THE LA CARIDAD PORPHYRY COPPER DEPOSIT, SONORA, MEXICO = ROLE DE LA GEOPHYSIQUE ET DE LA GEOCHIMIE DANS LA DECOUVERTE ET LE DEVELOPPEMENT DU GITE DE PORPHYRY COPPER DE LA CARIDAD, SONORA, MEXIQUECOOLBAUGH DF.1979; GEOL. SURV. CANADA, ECON. GEOL. REP.; CAN; DA. 1979; NO 31; PP. 721-725; ABS. FRE; BIBL. 8 REF.; ILL.Conference Paper

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