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Activity

2022

• NEW CA-TIMS AND LA-ICP-MS ZIRCON U-PB GEOCHRONOLOGY OF THE GRIZZLY PEAK MAGMATIC CENTER, CO: CONFOUNDING CHRONOLOGY OF A CLASSIC CALDERA
  T66 Cenozoic Tectonism, Magmatism, Sedimentation, and Landscape Evolution in the Intermountain West (Posters)
  Sunday, 9 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• GRANITES ARE UPPER GREENSCHIST FACIES ROCKS
  33 Advances in Understanding Arc Magmatism in the Southwestern Cordillera I
  Thursday, 17 March 2022

  8:00 AM - 12:00 PM

  CBC-A 108

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2021

• PUNCTUATED OROGENIC ACTIVITY: EVIDENCE FOR A 100 MA EPISODE OF SEVIER DEFORMATION IN SOUTHWEST UTAH
  T66 The 100-Ma Event on the Western Margin of North America
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  A107–A109

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2020

• THE ROCKS DON’T LIE, BUT PLUTONS SPEAK A LANGUAGE THAT IS EASY TO MISINTERPRET
  31 Petrology, Geochemistry, and Structure of Cordilleran Batholiths through Space and Time
  Thursday, 14 May 2020

  1:30 PM - 5:30 PM

  Plaza Room

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2019

• TIMING THE ONSET OF VOLATILE-RICH, HIGH-SILICA MAGMATISM IN THE CENTRAL COLORADO MINERAL BELT: NEW INSIGHTS FROM CHEMICAL ABRASION ID-TIMS U/PB ZIRCON GEOCHRONOLOGY
  T242 A Metal Rhythm: Understanding Cyclical Processes in Mineralization
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  Room 126ABC, North Building
• NEW INSIGHTS INTO PORPHYRY ORE MINERALIZATION FROM HIGH-PRECISION CA-ID-TIMS ZIRCON GEOCHRONOLOGY
  T242 A Metal Rhythm: Understanding Cyclical Processes in Mineralization
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  Room 126ABC, North Building
• PLUTONIC CATASTROPHES
  T241 Subduction Zone Magmatism from Source to Eruption, in the Lab and in the Field: In Honor of Christy Till, GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division Early Career Awardee
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  Room 131ABC, North Building

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2018

• STRONTIUM ISOTOPIC COMPOSITIONS OF THE NEUSE AND CAPE FEAR RIVER BASINS, NORTH CAROLINA
  T96 Sigma Gamma Epsilon Undergraduate Research (Posters)
  Monday, 5 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• TRACING MOLYBDENITE: A NEW LOOK AT THE LEAD ISOTOPE COMPOSITIONS OF PORPHYRITIC INTRUSIONS AND ASSOCIATED HYDROTHERMAL MINERALS IN THE QUESTA MO DEPOSIT
  T96 Sigma Gamma Epsilon Undergraduate Research (Posters)
  Monday, 5 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• THE ASSEMBLY RATE OF HALF DOME'S BEDROCK
  36 D2. Geology of the Sierra Nevada (Posters)
  Wednesday, 16 May 2018

  8:30 AM - 6:30 PM

  Outdoor Tents

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2017

• SMALL, EPHEMERAL AND SHALLOW RELATIONSHIPS: AMALGAMATING MO-MINERALIZING MAGMAS AT THE QUESTA PORPHYRY MO DEPOSIT
  T237 System-Scale Zonation of Ore Systems: Insights into 3D Architecture from Lateral and Deep Exposures Due to Mining and Structural Deformation
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Yakima 1
• MELTAMORPHISM
  T176 Petrochronology: Advances and Applications to Petrogenesis and Tectonics (Posters)
  Monday, 23 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF

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2016

• HIGH-PRECISION U-PB CA-TIMS GEOCHRONOLOGY AND ISOTOPE GEOCHEMISTRY OF POLY-METALLIC PORPHYRY INTRUSIONS OF THE LATIR MAGMATIC CENTER, NEW MEXICO: LARGE SYSTEM WITH MULTIPLE METALS, OR MULTIPLE SYSTEMS WITH DIFFERENT METALS?
  268 Economic Geology
  Wednesday, 28 September 2016

  8:00 AM - 12:00 PM

  Room 301
• STRONTIUM, NEODYMIUM AND LEAD ISOTOPIC EVOLUTION OF THE GRIZZLY PEAK MAGMATIC CENTER, COLORADO
  256 Recent Advances in Igneous Petrology and Geochemistry (Posters)
  Tuesday, 27 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• TRACING MOISTURE SOURCES OF THE EXTREME STORM EVENT IMPACTING THE CAROLINAS IN OCTOBER, 2015 USING O, H, AND SR ISOTOPE RATIOS
  T116 Pluvials, Atmospheric Rivers, Monsoons, and Water Availability in Western North America from the Quaternary into the Future: Modeling, Observations, and Paleo Reconstructions of Hydroclimate Extremes
  Monday, 26 September 2016

  10:00 AM - 12:00 PM

  Room 404
• IMPLICATIONS OF A 102 MA ALABAMA HILLS GRANITE FOR DEXTRAL OFFSET IN OWENS VALLEY, CA AND THE ORGANIZATION OF SIERRAN MAGMATISM
  25 Igneous and Metamorphic Petrology (Posters)
  Wednesday, 6 April 2016

  8:30 AM - 12:30 PM

  Ballroom C

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2015

• TRACE ELEMENT VARIABILITY IN MIGMATITES
  T302 A Lower Crustal Perspective on Magmatic Arc Processes (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• OVERTURNING IDEAS ABOUT OCEANIC OVERTURNING IN THE LATE DEVONIAN: INSIGHTS FROM THE CENTRAL ASIAN OROGENIC BELT
  T337 What Makes a Juicy Rock? Global Climate Events and Deposition of Organic Rich Shales through Time
  Wednesday, 4 November 2015

  1:30 PM - 5:30 PM

  Room 309
• CONSTRAINING THE AGES OF LATE DEVONIAN EXTINCTION EVENTS IN THE CENTRAL ASIAN OROGENIC BELT (CAOB): U-PB ZIRCON AGES AND IGNEOUS PETROLOGY
  T127 Mass Extinction Causality: Records of Anoxia, Acidification, and Global Warming during Earth's Greatest Crises (Posters)
  Monday, 2 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall

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2014

• VOLCANOES OF THE PASSIVE MARGIN: THE YOUNGEST MAGMATIC EVENT IN EASTERN NORTH AMERICA
  11 Volcanology, Magmatism, Geochemistry
  Thursday, 10 April 2014

  1:00 PM - 5:00 PM

  Cascades

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2013

• EVALUATING THE LINK BETWEEN IGNIMBRITES AND SPATIO-TEMPORALLY RELATED SHALLOW PLUTONIC SYSTEMS AT THE AETNA CALDERA, CO
  T119 What Can We Learn About Plutons From Volcanic Rocks and What Can We Learn About Volcanoes From Plutonic Rocks?
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Room 603
• CHEMICAL DIVERGENCE BETWEEN VOLCANIC AND PLUTONIC ROCKS PRODUCED BY INFILTRATION AND RECRYSTALLIZATION OF APLITIC LIQUIDS
  T119 What Can We Learn About Plutons From Volcanic Rocks and What Can We Learn About Volcanoes From Plutonic Rocks?
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Room 603
• RECONCILING INCREMENTAL EMPLACEMENT AND WIDESPREAD DEFORMATION WITH THE APPARENT HOMOGENEITY AND ISOTROPY OF PLUTONIC ROCKS
  T86 Magma Transport, Emplacement, and Accommodation: Morphology, Mechanisms, and Models
  Sunday, 27 October 2013

  1:00 PM - 5:00 PM

  Room 506

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2012

• NEW INSIGHTS INTO MIGRATION OF THE CRETACEOUS SIERRAN ARC USING HIGH-PRECISION U/PB ZIRCON GEOCHRONOLOGY
  T206 Multidisciplinary Studies of Convergent Plate Boundaries II: In Honor of Jason Saleeby, 2012 MGPV Distinguished Geologic Career Awardee
  Tuesday, 6 November 2012

  1:30 PM - 5:30 PM

  208A
• THE CONTRASTING AGE RANGES OF LARGE PLUTONS AND MONOTONOUS INTERMEDIATES
  T128 The Relationship between Silicic Plutons and Ignimbrites: Exploring the Contradictions
  Monday, 5 November 2012

  1:30 PM - 5:30 PM

  208B
• CARBONATE EVOLUTION OF A NATURAL ULTRAMAFIC CO2 SEQUESTRATION SYSTEM
  T52 Geological and Hydrogeological Characterization Studies at CO2 Sequestration Sites
  Sunday, 4 November 2012

  1:30 PM - 5:30 PM

  213A
• LADDER DIKES, CRAZY GEOCHEMISTRY, AND LIQUID IMMISCIBILITY(?) IN OTHERWISE SANE GRANODIORITES
  18 Silicic Volcanism I
  Friday, 30 March 2012

  8:30 AM - 12:50 PM

  Juarez 3

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2010

• RECALIBRATING THE LOWER CRETACEOUS TIME SCALE WITH U-PB ZIRCON AGES FROM THE GREAT VALLEY GROUP
  T160 Geochronology of the American West: In Honor of the Careers of Bill Cobban and John Obradovich and the Roots of EARTHTIME
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 205

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2009

• HYDRODYNAMIC FRACTIONATION OF ZIRCON AGE POPULATIONS
  T211 Geochemical Approaches to Sedimentary Provenance Studies II
  Tuesday, 20 October 2009

  1:30 PM - 5:30 PM

  Portland Ballroom 252

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2008

• Rhyolites and Rhyolites
  T236 Evolution of Simple Granite Systems (Haplogranites) and Rhyolites: A 50th Anniversary Perspective of the Tuttle and Bowen Studies
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM
• Rapid Emplacement of the Mcdoogle Pluton into the Sawmill Lake Shear Zone, Sierra Nevada, California
  161 Structural Geology / Tectonics / Neotectonics/Paleoseismology I
  Sunday, 5 October 2008

  1:30 PM - 4:45 PM

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2006

• EVIDENCE FOR A CONTINENT SCALE DRAINAGE INVERSION IN THE AMAZON BASIN SINCE THE LATE CRETACEOUS
  214 Sediments, Clastic
  Wednesday, 25 October 2006

  1:30 PM - 5:30 PM
• SIGNIFICANCE OF K-FELDSPAR MEGACRYST SIZE AND DISTRIBUTION IN THE TUOLUMNE INTRUSIVE SUITE, CALIFORNIA
  44 GSA: Petrology and Volcanology (Posters)
  Wednesday, 10 May 2006

  1:00 PM - 5:00 PM
• VOLCANISM OF THE CAROLINA SLATE BELT IN NORTH CAROLINA
  4 Magmatism in the Eastern US and Beyond: A Symposium in Honor of Paul C. Ragland
  Thursday, 23 March 2006

  8:00 AM - 12:00 PM

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2005

• FIELD EVIDENCE FOR THE ASSEMBLY OF THE HALF DOME PLUTON BY AMALGAMATION OF SMALL INTRUSIONS
  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 2005

  9:00 AM - 5:00 PM

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2004

• DEVELOPMENT OF THE MINERAL MOUNTAINS SHEET COMPLEX, MINERAL MOUNTAINS BATHOLITH, SOUTHWESTERN UTAH
  22 Cordilleran Magmatism from the Forearc to the Hinterland I
  Tuesday, 4 May 2004

  8:15 AM - 12:00 PM

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2003

• GEOCHRONOLOGY OF THE RANDSBURG GRANODIORITE: REEVALUATION OF THE TECTONICS OF THE SOUTHERN SIERRA NEVADA AND WESTERN MOJAVE DESERT
  31 Tectonics and Structural Geology (Posters)
  Thursday, 3 April 2003

  8:30 AM - 5:30 PM
• POST-CRETACEOUS DEXTRAL OFFSET OF 65 KM ACROSS OWENS VALLEY, CALIFORNIA, IMPLIED BY CORRELATION OF THE GOLDEN BEAR AND COSO DIKE SETS
  36 Origin and Displacements of Cordilleran Terranes: New Debates and Constraints I
  Thursday, 3 April 2003

  8:30 AM - 12:10 PM
• METAMORPHISM AND OROGENESIS OF PROTEROZOIC ROCKS IN THE SOUTHWESTERN MOJAVE PROVINCE
  29 Proterozoic Basement in Sonora and Adjacent Areas: A Piece of SW Laurentia I
  Wednesday, 2 April 2003

  2:15 PM - 5:30 PM
• GEOCHEMICAL EVIDENCE FOR INCREMENTAL EMPLACEMENT OF THE CRETACEOUS HALF DOME GRANODIORITE, YOSEMITE NATIONAL PARK, CALIFORNIA
  10 Cretaceous and Paleogene Magmatism in the Western Cordillera
  Tuesday, 1 April 2003

  8:25 AM - 12:05 PM

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2002

• U-PB GEOCHRONOLOGIC EVIDENCE FOR INCREMENTAL FILLING OF THE TUOLUMNE INTRUSIVE SUITE MAGMA CHAMBER
  121 Petrology, Igneous and Experimental
  Tuesday, 29 October 2002

  8:00 AM - 12:00 PM

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2001

• COMBINED IDTIMS AND LAM-ICPMS DENDROCHEMICAL STUDY OF A DEPLETED URANIUM AND HEAVY METAL CONTAMINATED BOG NEAR CONCORD, MASSACHUSETTS
  T48 Munitions: Sources, Fate and Transport
  Monday, 5 November 2001

  1:30 PM - 5:30 PM

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Date Unknown

• U-PB ZIRCON AGES FOR HIGH-SILICA GRANITES IN THE CENTRAL SIERRA NEVADA BATHOLITH: IMPLICATIONS FOR CRUSTAL GENERATION IN CONTINENTAL ARCS
  152 Petrology, Igneous (Posters)
• TWIN OF THE TUOLUMNE: NEW GEOCHRONOLOGY FROM THE MONO PASS INTRUSIVE SUITE
  231 Petrology, Igneous (Posters)
• GEOLOGY OF JOSHUA TREE NATIONAL PARK
  T92 Geology in the National Parks: Research, Mapping, and Resource Management (Posters)