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Activity

2025

• LATE TRIASSIC SUPRA-SUBDUCTION ZONE OPHIOLITE BASEMENT UNDERPINNING OF THE GUERRERO COMPOSITE TERRANE OF WESTERN MEXICO AND ITS LINKAGE TO THE ARTEAGA COMPLEX ACCRETIONARY PRISM; SUPPORT FOR ANDEAN-STYLE SUBDUCTION SINCE 220 Ma ALONG THE NORTH AMERICAN MARGIN
  28 Plumes, Ophiolites and Oceanic Crust: Honoring the Scientific Contributions of John W. Shervais
  Friday, 4 April 2025

  8:00 AM - 12:00 PM

  Balboa/Calaveras

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2024

• DEFINING THE MAIN MÁRTIR THRUST IN BAHĹA DE LOS ÁNGELES, BAJA CALIFORNIA, MEXICO
  225 D22. Recent Advances in Structural Geology & Tectonics
  Wednesday, 25 September 2024

  8:00 AM - 12:00 PM

  212B
• "COBBLING” TOGETHER THE AGE AND COMPOSITION OF MAFIC FOREARC BASEMENT IN COASTAL SOUTHERN CALIFORNIA PRIOR TO NEOGENE BORDERLAND RIFTING
  T197 Integrated Geologic and Chronometric Insights into Tectonic Processes at Plate Boundaries (Posters)
  Tuesday, 24 September 2024

  8:00 AM - 5:30 PM

  Hall D
• LINKING THE FOREARC RASPAS COMPLEX ECLOGITE OF EL ORO MASSIF TO JURASSIC ANDEAN BATHOLITH GENERATION IN ECUADOR
  T24 Subduction Zones and Their Volcanic Arcs: Initiation and Evolution, Structure, Metamorphism, Magmatism
  Sunday, 22 September 2024

  8:00 AM - 12:00 PM

  207C

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2023

• STRUCTURAL, PETROLOGICAL, AND GEOCHRONOLOGICAL CHARACTERIZATION OF THE AGOYAN UNIT IN THE NORTHERN CORDILLERA REAL, ECUADOR
  T250 The Andes from Top to Bottom (Posters)
  Wednesday, 18 October 2023

  8:00 AM - 5:30 PM

  Hall B

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2022

• PROVENANCE TIES LINKING THE MESOZOIC VIZCAÍNO-CEDROS FOREARC REGION OF WEST-CENTRAL BAJA CALIFORNIA TO THE SOUTHWESTERN NORTH AMERICAN MARGIN: IMPLICATIONS FOR THE ALISITOS ARC AND GUERRERO TERRANE OF MAINLAND MEXICO
  T216 Basin Analysis, Strike-Slip Faults, and Tectonics III: Honoring the Contributions of Paul Umhoefer
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  607

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2019

• MIDDLE JURASSIC CORDILLERAN ARC FLARE-UP AND BAJOCIAN ENVIRONMENTAL IMPACT
  T164 Rift-Grabens, Volcano-Sedimentary Strata, Plutons, and Transtensional Shear Zones: A Multi-Disciplinary Approach to Reconstructing the Jurassic Cordilleran Margin of the Southwest U.S. (Southern California, Nevada, Arizona, and Northern Mexico)
  Tuesday, 24 September 2019

  8:00 AM - 12:00 PM

  Room 128AB, North Building

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2018

• THE JURASSIC ARC SILICIC LARGE IGNEOUS PROVINCE (SLIP) OF SOUTHWESTERN NORTH AMERICA
  73 Jurassic to Cenozoic Geology of Southern California, Southwest Arizona, and Sonora III: A Session Honoring Gordon Haxel and Carl Jacobson
  Thursday, 17 May 2018

  1:30 PM - 3:15 PM

  Canyon Room
• TESTING MODELS FOR HIGH-FLUX TRONDHJEMITIC MELTING BETWEEN 98-88 MA ALONG A 2500 KM SEGMENT OF THE CALIFORNIA-BAJA MARGIN
  73 Jurassic to Cenozoic Geology of Southern California, Southwest Arizona, and Sonora III: A Session Honoring Gordon Haxel and Carl Jacobson
  Thursday, 17 May 2018

  1:30 PM - 3:15 PM

  Canyon Room

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2017

• ARE LITTORAL CELLS FROM CENTRAL CALIFORNIA BEACHES CLOSED SYSTEMS? INSIGHT FROM DETRITAL HEAVY MINERAL DISTRIBUTIONS AT ANDREW MOLERA AND EL CAPITAN STATE BEACHES
  376 D47. Marine/Coastal Science (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• FARALLON SLAB UPLIFT AND BACK-ARC VOLCANISM ALONG THE YELLOWSTONE ADAKITE HOT SPOT TRACK
  T239 Recent Advances in Understanding Volcanism of the Yellowstone Hotspot
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Tahoma 3
• THE CHOIYOI SILICIC LARGE IGNEOUS PROVINCE OF ARGENTINA AND CHILE AND A THREE PHASE VOLCANISM-MASS EXTINCTION MODEL FOR THE END-PALEOZOIC BIOTIC CRISIS
  T98 Earth Life Transitions and Major Continental Biological Events of the Phanerozoic
  Monday, 23 October 2017

  8:00 AM - 12:00 PM

  Room 611
• LASER ABLATION ICP-MS ZIRCON U-PB DATING OF MONTEREY FORMATION TUFF IN THE LOS ANGELES AND SANTA BARBARA BASINS
  88 D24. Stratigraphy (Posters)
  Sunday, 22 October 2017

  9:00 AM - 5:30 PM

  Halls 4EF

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2016

• EVOLUTION OF THE SOUTH-CENTRAL ANDEAN ARC DETERMINED BY DETRITAL ZIRCON U-PB AND HF ANALYSIS OF RETROARC BASIN STRATA, CENTRAL ARGENTINA (32°S-40°S)
  T203 Plate Tectonics, Arc-Trench Systems, Cordilleran Tectonics, Sedimentary Basins, Sandstone Provenance, and Geoarchaeology II: A Celebration of William R. Dickinson's Career
  Tuesday, 27 September 2016

  8:00 AM - 12:00 PM

  Mile High Ballroom 2B
• THE CHOIYOI SILICIC LARGE IGNEOUS PROVINCE OF ARGENTINA AND CHILE AND ITS POSSIBLE INFLUENCE ON PERMIAN ENVIRONMENTAL DEGRADATION AND MASS EXTINCTION
  T106 Volcanism, Mass Extinctions, and Environmental Change
  Monday, 26 September 2016

  8:00 AM - 12:00 PM

  Mile High Ballroom 3C
• ZIRCON U-PB DATING OF MONTEREY FORMATION TUFF IN THE PALOS VERDE PENINSULA OF LOS ANGELES
  T82 New Insights to the Dynamics of Stratigraphy and Sedimentation (Posters)
  Sunday, 25 September 2016

  9:00 AM - 5:30 PM

  Exhibit Hall E/F
• PROVENANCE OF PALEOGENE RIM GRAVELS VOLCANIC CLASTS INDICATE AN EXTRAREGIONAL SOURCE: IMPLICATIONS FOR PALEOGEOGRAPHIC RECONSTRUCTION OF SOUTHWESTERN ARIZONA
  T5 CRevolution 2.5: Origin and Evolution of the Colorado River System and Cenozoic Landscape Evolution of the Colorado Plateau-Rocky Mountain Region I
  Sunday, 25 September 2016

  8:00 AM - 12:00 PM

  Room 406
• ALONG-STRIKE ANALYSIS OF THE SIERRA NEVADA-PENINSULAR RANGES LATE CRETACEOUS CORDILLERAN BATHOLITH FLARE-UP
  18 Causes and Consequences of Magmatic and Tectonic Tempos in Continental and Oceanic Arcs
  Tuesday, 5 April 2016

  1:30 PM - 5:30 PM

  Meeting Room 200 C

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2015

• NEW ZIRCON U-PB AGES DEFINE A STRONGLY EPISODIC HISTORY OF MAGMATISM FOR THE PERMO-TRIASSIC CHOIYOI SILICIC LARGE IGNEOUS PROVINCE OF CHILE AND ARGENTINA
  T196 Zen and Now: Honoring the Legacy of E-an Zen's Contributions to Geology
  Tuesday, 3 November 2015

  8:00 AM - 12:00 PM

  Room 317

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2014

• MIDDLE MIOCENE HIGH-MAGNESIUM ANDESITE AND HIGH-SILICA ADAKITE IN THE JACUMBA VOLCANICS AND ALVERSON FORMATION OF SAN DIEGO AND IMPERIAL COUNTIES, CALIFORNIA
  T343 Cenozoic Magmatism and Volcanism in the North American Cordillera
  Wednesday, 22 October 2014

  1:00 PM - 5:00 PM

  306

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2013

• LARAMIDE DEFORMATION OF FOREARC BASIN-ACCRETIONARY PRISM STRATA REFLECTED IN DETRITAL ZIRCON U-PB PROVENANCE OF THE LATE CRETACEOUS GREAT VALLEY GROUP
  T215 Sevier to Laramide Tectonism along the Western Laurentian Margin: Sedimentologic and Stratigraphic Constraints on Cretaceous-Tertiary Magmatism, Deformation, and Orogenic Exhumation
  Tuesday, 29 October 2013

  8:00 AM - 12:00 PM

  Room 203
• PROGRESSIVE MIO-PLIOCENE TO HOLOCENE FLUVIAL DENUDATION OF THE UPPER COLORADO RIVER CATCHMENT RECORDED BY DETRITAL ZIRCON AGE DISTRIBUTIONS
  97 Special Session: CRevolution 2: Cenozoic Landscape Evolution of the Colorado Plateau–Rocky Mountain Region and the Carving of Grand Canyon I
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 4CD
• DETRITAL ZIRCON EVIDENCE FOR AND AGAINST FLOWAGE OF AN ANCESTRAL MIOCENE COLORADO RIVER INTO THE VIRGIN DEPRESSION
  161 Special Session: CRevolution 2: Cenozoic Landscape Evolution of the Colorado Plateau–Rocky Mountain Region and the Carving of Grand Canyon II
  Monday, 28 October 2013

  1:00 PM - 5:00 PM

  Mile High Ballroom 4CD