T36 Role of Mafic Magmas in the Generation of Porphyry Copper Deposits

Sunday, 27 October 2002
1:00 PM - 3:45 PM

Presentations

• 1:00 PM
  MAGMA MIXING AND MINERALIZATION: EMPIRICAL EVIDENCE FROM QUESTA(MO), N.M., USA; NUKAY(AU-CU), GUERRERO, MEXICO; LAS BAMBAS(CU-AU), PERU
  David M. Jones, Paradex Consulting, Tucson, AZ
  43138 (Technical Sessions)
• 1:20 PM
  MAFIC MAGMATISM ASSOCIATED WITH THE GENESIS AND EVOLUTION OF EL TENIENTE COPPER DEPOSIT, CHILE
  M. Alexandra Skewes, Univ of Colorado, Boulder, CO and Alejandra Arévalo, CODELCO-Chile, Rancagua, N/A and Ricardo Floody, CODELCO-Chile, Rancagua, N/A and Patricio H. Zuñiga, CODELCO-Chile, Rancagua, N/A and Charles R. Stern, Univ of Colorado, Boulder, CO
  39381 (Technical Sessions)
• 1:35 PM
  THE ROLE OF MAFIC SHOSHONITIC MAGMAS IN THE ORDOVICIAN PORPHYRY CU-AU DEPOSITS OF NORTH PARKES, NSW, AUSTRALIA
  Vanessa Lickfold, University of Tasmania, Hobart, N/A and David R. Cooke, Univ of Tasmania, Hobart, N/A
  39293 (Technical Sessions)
• 1:50 PM
  SR, ND, PB ISOTOPES AND AR-AR DATING OF THE “EL ARCO” PORPHYRY COPPER DEPOSIT, BAJA CALIFORNIA: EVIDENCE FOR CU MINERALIZATION WITHIN AN OCEANIC ISLAND ARC
  Bodo Weber, CICESE, Ensenada, B.C, N/A and Margarita López Martínez, CICESE, Ensenada, B.C, N/A
  37261 (Technical Sessions)
• 2:20 PM
  ROLE OF MANTLE-DERIVED MAFIC MAGMAS IN THE GENERATION OF THE GIANT MIOCENE AND PLIOCENE COPPER DEPOSITS OF CENTRAL CHILE
  Charles R. Stern, Univ of Colorado, Boulder, CO and M. Alexandra Skewes, Univ of Colorado, Boulder, CO
  44330 (Technical Sessions)
• 2:40 PM
  MOBILITY OF COPPER, CHLORINE, AND SULFUR DURING QUENCHING OF HAWAIIAN BASALTIC MAGMAS
  Spencer R. Strand, Brigham Young Univ, Provo, UT and John Porter, Brigham Young Univ, Provo, UT and Stephanie E. Ashley, Brigham Young Univ, Provo, UT and Jeffrey D. Keith, Brigham Young Univ, Provo, UT and Michael J. Dorais, Brigham Young Univ, Provo, UT and William J.A. Stavast, Brigham Young Univ, Provo, UT and Jason Aase, Brigham Young Univ, Provo, UT and Matthew P. Harper, Brigham Young Univ, Provo, UT and William B. Harris, Brigham Young Univ, Provo, UT and Amber K. Syme, Brigham Young Univ, Provo, UT and Rachel Henderson, Brigham Young Univ, Provo, UT
  45878 (Technical Sessions)
• 2:55 PM
  ROLE OF OXIDIZED, SULFUR-RICH MAFIC MAGMAS FOR PORPHYRY COPPER MINERALIZATION
  Keiko H. Hattori, Univ of Ottawa, Ottawa, ON and Jan C.M. de Hoog, Univ of Ottawa, Ottawa, ON and Jeffrey D. Keith, Brigham Young Univ, Provo, UT
  42289 (Technical Sessions)
• 3:15 PM
  COULD THE COMBINATION OF MAFIC AND SILICIC MAGMAS BE VITAL TO PORPHYRY SYSTEMS: A DISCUSSION
  Jeffrey D. Keith, Brigham Young Univ, Provo, UT
  46532 (Technical Sessions)