T254 What is a Magma Chamber? The Role of Sheets in the Assembly of Intrusions II

Wednesday, 19 October 2005
1:30 PM - 5:30 PM

Presentations

• 1:30 PM
  PIECEMEAL EMPLACEMENT (AND CONTAMINATION?) OF A CALEDONIAN PLUTON
  Calvin G. Barnes, Texas Tech Univ, Lubbock, TX and Tore Prestvik, NTNU, Trondheim, N/A and Aaron S. Yoshinobu, Texas Tech Univ, Lubbock, TX and Lindy McCulloch, Texas Tech Univ, Lubbock, TX
  94928 (Technical Sessions)
• 1:45 PM
  DIFFUSION-REACTION AS A MEANS OF LARGE-SCALE MAGMA DIFFERENTIATION
  Craig Lundstrom, University of Illinois Dept of Geology, Urbana, IL
  94058 (Technical Sessions)
• 2:00 PM
  THE ROLE OF FRACTIONATION AT THE EMPLACEMENT LEVEL IN THE TUOLUMNE BATHOLITH, SIERRA NEVADA, CA
  Rita C. Economos, Univ of Southern California, Los Angeles, CA and Jonathan S. Miller, San Jose State Univ, San Jose, CA and Scott R. Paterson, University of Southern California, Los Angeles, CA and Valbone Memeti, Univ of Southern California, Los Angeles, CA and Saskia Erdmann, Dalhousie Univ, Halifax, N/A and Jiri Zak, Charles Univ, Prague, N/A
  97501 (Technical Sessions)
• 2:15 PM
  PLANETARY ENVIRONMENTAL CONTROLS ON MAGMA CHAMBER GROWTH
  Lionel Wilson, Lancaster University, Lancaster, N/A and James W. Head, Brown Univ, Providence, RI
  92352 (Technical Sessions)
• 2:30 PM
  DECIPHERING CHAMBER GROWTH AND INTERNAL MAGMA CHAMBER PROCESSES USING MAGMATIC LOBES AS SNAPSHOTS OF PROCESSES DURING THE CONSTRUCTION OF THE TUOLUMNE BATHOLITH, SIERRA NEVADA
  Valbone Memeti, Univ of Southern California, Los Angeles, CA and Scott Paterson, Univ of Southern California, Los Angeles, CA and Rita C. Economos, Univ of Southern California, Los Angeles, CA and Jiri Zak, Charles Univ, Prague, N/A and Saskia Erdmann, Dalhousie Univ, Halifax, N/A
  97474 (Technical Sessions)
• 2:45 PM
  AN EVALUATION OF YOUNGING DIRECTION AND PALEOVERTICAL INDICATORS IN MAGMA CHAMBERS
  Geoffrey Pignotta, Univ Southern California, Los Angeles, CA and Scott Paterson, Univ of Southern California, Los Angeles, CA and Jiri Zak, Charles Univ, Prague, N/A
  95795 (Technical Sessions)
• 3:00 PM
  EXTENSIONAL THINNING OF ROOF ROCKS ABOVE A PLUTON GROWING IN A ZONE OF INTRA-ARC EXTENSION: MODELING DEVELOPMENT OF THE MOUNT WHITNEY INTRUSIVE SUITE, SIERRA NEVADA, CALIFORNIA
  William H. Hirt, College of the Siskiyous, Weed, CA and James Hatton, College of the Siskiyous, Weed, CA
  97810 (Technical Sessions)
• 3:15 PM
  EMPLACEMENT OF SAUCER-SHAPED SILL INTRUSIONS CONSTRAINED BY DETAILED FIELDWORK AND AMS ANALYSES OF THE GOLDEN VALLEY SILL COMPLEX, SOUTH AFRICA
  Stephane Polteau, University of Oslo, Oslo, N/A and Dirk Liss, N/A, N/A and Sverre Planke, N/A, N/A and Else Ragnhild Neumann, University of Oslo, Oslo, N/A and Christophe Y. Galerne, University of Oslo, Oslo, N/A and Anders Malthe-Sørenssen, University of Oslo, Oslo, N/A and Yuri Podladtchikov, University of Oslo, Oslo, N/A and Henrik Svensen, University of Oslo, Oslo, N/A and Julian Marsh, N/A, N/A, N/A and Luc Chevallier, N/A, N/A, N/A
  92339 (Technical Sessions)
• 3:30 PM
  INCREMENTAL ASSEMBLY AND CHANGING EMPLACEMENT STYLES RECORDED IN THE 3.1 GA SHEETED HEERENVEEN BATHOLITH, BARBERTON GRANITOID-GREENSTONE TERRAIN, RSA
  Richard W. Belcher, University of Stellenbosch, Matieland, N/A and Alex F.M. Kisters, University of Stellenbosch, Matieland, N/A
  94888 (Technical Sessions)
• 3:45 PM
  ASSEMBLY OF LARGE CORDILLERAN MAGMA CHAMBERS: THE IGNIMBRITE-CALDERA RECORD
  Peter W. Lipman, U.S. Geol Survey, Menlo Park, CA
  90128 (Technical Sessions)
• 4:00 PM
  MAGMA SHEETS AND OTHER CONTRIBUTIONS TO THE QUATERNARY PLUTON UNDER CRATER LAKE CALDERA, OREGON
  Charles Bacon, US Geological Survey MS 910, Menlo Park, CA
  92479 (Technical Sessions)
• 4:15 PM
  MECHANISMS AND RATES OF NON TECTONICALLY-ASSISTED MAGMA EMPLACEMENT IN THE UPPER-CRUST: THE BLACK MESA BYSMALITH, HENRY MOUNTAINS, UTAH
  Michel de Saint-Blanquat, Obs. Midi-Pyrénées/Un. Paul Sabatier, Toulouse, N/A and Guillaume Habert, Obs. Midi-Pyrénées/Un. Paul Sabatier, Toulouse, N/A and Eric Horsman, Univ. of Wisconsin, Madison, WI and Sven Morgan, Central Michigan University, Mount Pleasant, MI and Basil Tikoff, Univ of Wisconsin - Madison, Madison, WI
  91464 (Technical Sessions)
• 4:30 PM
  MAGNETIC FABRICS AS INDICATORS OF MAGMA FLOW AND EMPLACEMENT MECHANISMS FOR THE SPANISH PEAKS IGNEOUS COMPLEX (SOUTH-CENTRAL COLORADO)
  Scott R. Muggleton, University of New Mexico, Albuquerque, NM and John Geissman, University of New Mexico, Albuquerque, NM and Tim Wawrzyniec, Univ of New Mexico, Albuquerque, NM
  97046 (Technical Sessions)