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Activity

2023

• PENROSE MEDAL: ARC AND BACKARC MAGMATISM AND THE EVOLUTION OF THE CONTINENTAL CRUST FROM THE ALEUTIANS TO THE CENTRAL AND SOUTHERN ANDES AND PATAGONIA
  T136 The Andes from Top to Bottom
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  326

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2022

• EVOLUTION OF THE CHILEAN FLATSLAB: A MIOCENE MAGMATIC PERSPECTIVE FROM THE ULLUM-ALBARRACÍN VOLCANIC REGION OF THE ARGENTINE PRECORDILLERA
  T79 Cenozoic Tectonism, Magmatism, Sedimentation, and Landscape Evolution in the Intermountain West
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  603

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2019

• PLIOCENE UPLIFT OF THE CENTRAL ALEUTIAN ARC: EVIDENCE FROM THE ~35-31 MA HIDDEN BAY AND ~ 14 MA KAGALASKA PLUTONS ON ADAK ISLAND
  18 Tectonic Processes in Cordilleran Arcs
  Thursday, 16 May 2019

  8:00 AM - 12:00 PM

  Room C125-126

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2018

• THE EVOLUTION OF AN ANDEAN MARGIN: A MAGMATIC AND TECTONIC VIEW FROM THE CENTRAL AND SOUTHERN ANDES
  146 Plate Tectonics Paradigm 50 Years after the Seminal Work of Morgan, Mckenzie, and Le Pichon
  Tuesday, 6 November 2018

  8:00 AM - 12:00 PM

  Sagamore Ballroom 5

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2017

• PETROLOGY AND GEOCHEMISTRY OF ADAK ISLAND PLUTONIC XENOLITHS: IMPLICATIONS FOR CRUSTAL DIFFERENTIATION IN THE ALEUTIAN ISLAND ARC
  T275 The Dance of Arcs: Causes of Arc Migrations, Flare-Ups, and Magmatic Focusing (Posters)
  Tuesday, 24 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• FOREARC SUBDUCTION EROSION AND CONTRACTION IN THE EVOLUTION OF ACCRETIONARY AND NON-ACCRETIONARY STAGES IN THE CENTRAL ALEUTIAN AND CENTRAL ANDEAN ARCS
  T115 Ophiolite and Ocean Plate Stratigraphy Records in Modern and Ancient Accretionary and Collisional Orogenic Belts in the Circum Pacific Region I
  Monday, 23 October 2017

  8:00 AM - 12:00 PM

  Tahoma 4
• MAGMATIC AND SEISMIC EVIDENCE FOR NEOGENE CRUSTAL AND MANTLE EVOLUTION UNDER THE PUNA PLATEAU OF THE CENTRAL ANDES
  2 Cordilleran Magmatic Forensics I—Insights from the Igneous, Metamorphic, and Sedimentary Record
  Tuesday, 23 May 2017

  8:30 AM - 11:50 AM

  Room 318A

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2016

• THE EOCENE MAGMATIC HISTORY OF THE EARLY CENTRAL ALEUTIAN ARC
  T205 Records of Subduction Initiation in Modern and Ancient Settings
  Tuesday, 27 September 2016

  8:00 AM - 12:00 PM

  Mile High Ballroom 2C
• CHEMISTRY OF TERTIARY PRECORDILLERA MAGMATIC ROCKS AS A GUIDE TO PROCESSES ASSOCIATED WITH THE SHALLOWING OF THE CHILEAN FLATSLAB IN THE CENTRAL ANDES
  50 Applications of Geochemistry and Geochronology to Understanding Tectonic Processes: In Honor of Raymond A. Coish
  Tuesday, 22 March 2016

  1:30 PM - 5:40 PM

  Meeting Room 6

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2015

• EVOLUTION OF THE CHEMICALLY DIVERSE OCEANIC ALEUTIAN ISLAND ARC
  8 Tempo of Arc Emplacement and Accretion
  Tuesday, 12 May 2015

  8:00 AM - 12:00 PM

  Room 116
• MARSHALL KAY AND NEWFOUNDLAND APPALACHIAN GEOLOGY AT THE CUSP OF THE PLATE TECTONIC REVOLUTION
  43 Innovative and Multidisciplinary Approaches to Geoscience Education (Posters)
  Tuesday, 24 March 2015

  8:00 AM - 12:00 PM

  Presidential Ballroom

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2014

• THE MAGMATIC AND TECTONIC EVOLUTION OF ATTU ISLAND IN THE NEAR ISLANDS OF THE ALEUTIAN ARC
  T180 Continental Arcs #3: Mapping the Temporal and Compositional Evolution of Subvolcanic Magmatic Systems
  Tuesday, 21 October 2014

  8:00 AM - 12:00 PM

  118
• RAPID BUILDUP OF THE CHEMICALLY DIVERSE ALEUTIAN RIDGE IN THE EOCENE
  23 The Early Tertiary Magmatic Firestorm of the U.S. and Canadian Cordillera: Geochemical, Petrological, and Tectonic Constraints
  Tuesday, 20 May 2014

  1:00 PM - 5:00 PM

  Procrastinator Theater
• COMPARISON OF REE AND OTHER TRACE ELEMENTS IN ARGENTINE PAMPEAN AND CENTRAL US LOESS DEPOSITS
  15 Quaternary Time Machine: Methods and Analyses of Soils and Sediments to Reveal Secrets of Past Environments I
  Friday, 25 April 2014

  7:55 AM - 12:00 PM

  Garrat
• SEISMIC AND MAGMATIC EVIDENCE FOR LITHOSPHERIC DELAMINATION UNDER THE PUNA PLATEAU OF THE CENTRAL ANDES
  51 Echoes of Exhumation: Comparing Exhumation Processes of the Ancient Appalachians to Those of Currently Active Orogens
  Monday, 24 March 2014

  1:30 PM - 5:50 PM

  Heritage Salon D
• ORIGIN OF LOWER PALEOZOIC E-LIKE MAGMATIC ROCKS IN THE LAURENTIAN-DERIVED CUYANIA TERRANE IN ARGENTINA
  7 Structure and Tectonics
  Monday, 17 March 2014

  3:40 PM - 5:00 PM

  Bella Vista Room

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2013

• MAGMATIC CONSTRAINTS ON THE TIMING OF THE THICKENING AND ECLOGITIZATION OF THE CRUST UNDER THE ARGENTINE ANDEAN CENTRAL PRECORDILLERA OVER THE CHILEAN-PAMPEAN FLATSLAB
  T115 Volcanology, Mineralogy, Geochemistry & Petrogenesis of Circum-Pacific Magmatism: A Tribute Session to Gerhard Wörner
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Room 605
• A MAJOR PULSE OF LATE EOCENE/EARLY OLIGOCENE SUBMARINE AND SUBAERIAL MAGMATISM IN THE CENTRAL AND WESTERN ALEUTIAN ARC
  T115 Volcanology, Mineralogy, Geochemistry & Petrogenesis of Circum-Pacific Magmatism: A Tribute Session to Gerhard Wörner
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Room 605
• 40AR/39AR DATA IDENTIFY LATE EOCENE TO EARLY OLIGOCENE MAGMATISM ON AMATIGNAK AND ULAK ISLANDS, ALEUTIAN ARC, ALASKA
  T115 Volcanology, Mineralogy, Geochemistry & Petrogenesis of Circum-Pacific Magmatism: A Tribute Session to Gerhard Wörner
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Room 605
• TECTONIC SETTING AND EVOLUTION OF LATE MIOCENE VOLCANISM AT MIDDLE CAUCA BASIN, COLOMBIA
  T154 Processes and Timescales of Magma Evolution in the Crust: Insights from the Past Fifty Years and Approaches for the Next Fifty Years (Posters)
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• DIGITAL AND ON-SITE FIELD TRIP GUIDES TO THE CENTRAL ANDEAN PUNA PLATEAU
  35 Field Trips, Guidebooks, and Apps: Exploring the Present, Past and Future of Geological Field Trips and Field Trip Guidebooks
  Friday, 3 May 2013

  3:00 PM - 5:30 PM

  Room 2040
• WHAT IS THE ROLE OF ANDEAN MARGIN PROCESSES IN THE EVOLUTION OF PALEOZOIC NORTHERN APPALACHIAN OROGENIC BELTS?
  2 The Northern Appalachians I: What Have We Learned in the Past 40 Years? A Symposium in Honor of J. Christopher Hepburn
  Monday, 18 March 2013

  8:00 AM - 12:00 PM

  Madison Room

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2012

• GEOCHEMICAL AND SEISMIC EVIDENCE FOR CRUST REMOVED BY FOREARC SUBDUCTION EROSION ENTERING THE MANTLE WEDGE AND ARC MAGMA SOURCE
  T213 Subduction-Related Mantle Preparation and Subsequent Magmatism and Ore Genesis
  Wednesday, 7 November 2012

  8:00 AM - 12:00 PM

  201AB
• MAGMATIC AND SEISMIC EVIDENCE FOR DELAMINATION OF CONTINENTAL LITHOSPHERIC UNDER THE CERRO GALAN IGNIMBRITE CENTER IN THE SOUTHERN PUNA OF THE CENTRAL ANDES
  32 Silicic Volcanism II
  Friday, 30 March 2012

  2:30 PM - 4:30 PM

  Juarez 3

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2011

• LOS FRAILES IGNIMBRITES OF THE CENTRAL ANDEAN ALTIPLANO PLATEAU: CHEMISTRY, EVOLUTION AND TECTONIC SETTING
  T272 Recent Advances in Studies of Large-Volume Silicic Volcanism: Stratigraphy, Architecture, Evolution
  Wednesday, 12 October 2011

  1:30 PM - 5:30 PM

  Room 101FG

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2006

• MANTLE PROCESSES ASSOCIATED WITH NEOGENE RIDGE SUBDUCTION AND PLATEAU MAGMATISM IN THE SOUTHERN PATAGONIAN ANDES
  13 T4. Triple Junction Regions III
  Thursday, 6 April 2006

  2:00 PM - 7:30 PM
• ADAKITIC VOLCANISM WITHIN AN UNSTABLE ANDEAN ARC: THE PIRCAS NEGRAS AND DOS HERMANOS ANDESITES, CHILE/ARGENTINA (~27º S, ~68º W)
  11 T2. Plateau and Cordillera Uplift III
  Thursday, 6 April 2006

  2:00 PM - 7:30 PM
• CRUSTAL THICKNESS IN THE ANDES FROM TELESEISMICALLY RECORDED DEPTH-PHASE PRECURSORS
  12 T3. Shallowing and Steepening Subduction Zones III
  Thursday, 6 April 2006

  2:00 PM - 7:30 PM
• MAGMATIC AND STRUCTURAL CONSTRAINTS ON THE TECTONIC EVOLUTION AND UPLIFT OF THE PUNA PLATEAU OF THE CENTRAL ANDES
  7 T1. Plenary II: The Backbone of the Americas
  Tuesday, 4 April 2006

  8:30 AM - 7:30 PM
• MAGMATISM AND THE SHALLOWING AND STEEPENING OF THE NAZCA PLATE UNDER THE CENTRAL ANDES FROM 28°S TO 37°S LATITUDE
  3 T3. Shallowing and Steepening Subduction Zones I
  Monday, 3 April 2006

  10:35 AM - 7:45 PM
• NEOGENE ARC MAGMATISM IN A CONTINENTAL SETTING FROM PATAGONIA TO ALASKA
  1 T1. Plenary I: The Backbone of the Americas
  Monday, 3 April 2006

  8:30 AM - 7:30 PM

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2005

• NEOGENE PLATEAU MAGMATISM AND RIDGE SUBDUCTION IN THE SOUTHERN PATAGONIAN ANDES
  T253 The Backbone of America from Patagonia to Alaska: Plateau Uplift, Shallow Subduction, and Ridge Collision
  Wednesday, 19 October 2005

  1:30 PM - 5:30 PM

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2003

• PARALLELS IN LOSS OF CRUSTAL WIDTH BY FOREARC SUBDUCTION EROSION AND CRUSTAL SHORTENING ALONG THE SOUTH CENTRAL ANDEAN MARGIN
  T55 Tectonics of the Circum-Pacific Rim in Space and Time: Focus on Alaska, Central and South America, and the Western Pacific
  Sunday, 2 November 2003

  1:00 PM - 3:45 PM

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2001

• NEOGENE SHALLOW SUBDUCTION SEGMENTS IN THE CHILEAN/ARGENTINE ANDES AND ANDEAN-TYPE MARGINS
  T63 Focus on IGCP: Modern and Ancient Plate Boundaries and Orogens I: In Memory of Chris McA. Powell
  Tuesday, 6 November 2001

  8:00 AM - 12:00 PM

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Date Unknown

• VILAMA CALDERA: ONSET OF LARGE ERUPTIONS DURING IGNIMBRITE FLARE-UP IN PUNA-REGION, AND ITS INDICATIONS OF STRESS FIELD ORIENTATION
  2 T2. Plateau and Cordillera Uplift I