Geoffrey Pignotta
University of Southern California, Los Angeles, CA
Activity
2009
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GEOMETRY OF THE TRACHYTE MESA INTRUSION, HENRY MOUNTAINS, UTAH: IMPLICATIONS FOR THE EMPLACEMENT OF SMALL MELT VOLUMES INTO THE UPPER CRUST
5 Volcanology: A Southeastern Perspective IThursday, 12 March 20098:30 AM - 12:30 PM
2008
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Determining Relative Magma-Xenolith Rheology during Magmatic Fabric Formation in Plutons: Examples from the Middle and Upper Crust
331 Mineralogy/Crystallography; Petrology, Experimental; Igneous; MetamorphicThursday, 9 October 20088:00 AM - 12:00 PM
2007
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FRACTAL FRAGMENTATION OF XENOLITHS IN SILICIC MAGMAS
T227 Geochemistry of Magmatic and Metamorphic Processes II: In Honor of the Contributions of Joseph L. WoodenWednesday, 31 October 20071:30 PM - 3:30 PM
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UPPER CRUSTAL OVERTURN DURING MAGMATIC SURGES – A POTENTIAL SIERRA-WIDE PROCESS
T196 Geochemistry of Magmatic and Metamorphic Processes I: In Honor of the Contributions of Joseph L. WoodenWednesday, 31 October 20078:00 AM - 12:00 PM
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SEARCHING FOR THE MOJAVE-SNOW LAKE FAULT: UNDERGRADUATE TEAM RESEARCH AT USC
31 Council on Undergraduate Research (Posters)Sunday, 6 May 20078:00 AM - 6:00 PM
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DOWNWARD DUCTILE DISPLACEMENT OF VOLCANIC CRUST DURING PLUTON EMPLACEMENT IN THE CENTRAL SIERRA NEVADA: UNDERGRADUATE TEAM RESEARCH AT USC
31 Council on Undergraduate Research (Posters)Sunday, 6 May 20078:00 AM - 6:00 PM
2005
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AN EVALUATION OF YOUNGING DIRECTION AND PALEOVERTICAL INDICATORS IN MAGMA CHAMBERS
T254 What is a Magma Chamber? The Role of Sheets in the Assembly of Intrusions IIWednesday, 19 October 20051:30 PM - 5:30 PM
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THE JACKASS LAKES PLUTON: EVIDENCE FOR COMPLEX SPATIAL AND TEMPORAL MAGMA CHAMBER EVOLUTION IN THE SIERRA NEVADA BATHOLITH
26 Plutons and Their Host Rocks in the Sierra Nevada Batholith: A Forum and Discussion on Magma Emplacement, Magmatic Differentiation, and Pluton Solidification (Posters)Saturday, 30 April 20059:00 AM - 5:00 PM
2003
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MAGMA CHAMBER CONSTRUCTION AND EVOLUTION: CONSTRAINTS FROM THE JACKASS LAKES PLUTON, CENTRAL SIERRA NEVADA
T22 Granites at Convergent Margins: Physical and Chemical Constraints on Processes and PetrogenesisSunday, 2 November 20038:00 AM - 12:00 PM
2001
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THE ROLE OF STOPING IN THE EVOLUTION OF MAGMATIC SYSTEMS: FIELD AND MODELING CONSTRAINTS FROM PLUTONS IN THE SIERRA NEVADA BATHOLITH, CALIFORNIA
T139 Melt in the Crust and Upper Mantle: How Much, Where, for How Long, and What Significance for Geodynamics? (Posters)Wednesday, 7 November 20011:30 PM - 5:30 PM
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VOLUMINOUS STOPING IN THE MITCHELL PEAK GRANODIORITE, SIERRA NEVADA, CALIFORNIA
33 New Insights in TectonicsTuesday, 10 April 20011:50 PM - 4:30 PM
Date Unknown
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USING MAGMATIC STRUCTURES TO UNRAVEL THE GROWTH HISTORY OF MAGMA PLUMBING SYSTEMS
83 Structural Geology and Tectonics (Posters)
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FORMATION AND TRANSFER OF STOPED BLOCKS INTO MAGMA CHAMBERS: THE HIGH TEMPERATURE INTERPLAY BETWEEN CRACKING, FOCUSED POROUS FLOW, AND UNIDIRECTIONAL GROWTH OF SHEETED COMPLEXES
83 Structural Geology and Tectonics (Posters)
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MAGMA MIXING/MINGLING IN A HETEROGENEOUS MULTI-PULSE MAGMATIC SYSTEM: EVIDENCE FROM JACKASS LAKES PLUTON, CENTRAL SIERRA NEVADA BATHOLITH
26 Volcanology, Igneous and Metamorphic Petrology (Posters)
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GEOMETRY OF THE TRACHYTE MESA INTRUSION, HENRY MOUNTAINS, UTAH, AS DETERMINED BY AN INTEGRATED GEOPHYSICAL AND STRUCTURAL INVESTIGATION
83 Structural Geology and Tectonics (Posters)
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THE UPPER CRUSTAL EMPLACEMENT OF THE BALBUENA PLUTON BY MULTIPLE MATERIAL TRANSFER PROCESSES
83 Structural Geology and Tectonics (Posters)
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EARLY CRETACEOUS SUTURING OF THE ALISITOS VOLCANIC ARC TO NORTH AMERICA AND THE ROLE OF THE ANCESTRAL AGUA BLANCA FAULT IN THE WESTERN PENINSULAR RANGES OF BAJA CALIFORNIA, MEXICO
83 Structural Geology and Tectonics (Posters)