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Activity

2023

• AGE OF THE LOS CHOCOYOS TUFF AND THE LARGEST VOLCANIC ERUPTION IN CENTRAL AMERICA
  T186 Mineralogy, Geochemistry, Petrology, and Volcanology Division: Session for Graduate and Undergraduate Students (Posters)
  Tuesday, 17 October 2023

  8:00 AM - 5:30 PM

  Hall B

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2022

• NATURE OF NORTHWEST PACIFIC ALTERED OCEANIC CRUST AND IMPLICATIONS FOR ARC MAGMATISM
  235 D7. General Topics in Geochemistry and Metamorphic Petrology (Posters)
  Wednesday, 12 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F

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2020

• TEMPORAL EVOLUTION AND ELEVATED POST-LAST GLACIAL MAXIMUM MAGMA FLUX AT CALBUCO VOLCANO (41.3°S), SOUTHERN ANDES, CHILE
  T175 Building the SZ4D Magmatic Drivers of Eruption Theme: Geologic Evidence from Active and Exhumed Arcs
  Thursday, 29 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• GEON 14 OROGENESIS IN SOUTHERN LAURENTIA: A PERSPECTIVE FROM THE MIDCONTINENTAL BARABOO OROGENY
  T108 Assembling Laurentia: GEON 14 Enigmas and Advances in Understanding the Crustal Evolution and Paleogeography of the Early Mesoproterozoic North America
  Wednesday, 28 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• A CYBER WORKFLOW FOR COLLECTION, MANAGEMENT, AND EXPLORATION OF 40AR/39AR AND U-PB GEOCHRONOLOGY DATA
  T54 Bridging the Laboratory–Database Divide in Geochemistry
  Tuesday, 27 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms

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2019

• TIMING OF QUATERNARY GEOMAGNETIC REVERSALS AND EXCURSIONS IN VOLCANIC AND SEDIMENTARY ARCHIVES
  T168 Fossil Magnetism and Paleopoles; Tectonics, Stratigraphy, Geochronology, and Geomorphology; Geoscience Challenges and Education: A Celebration of John Geissman’s Career
  Tuesday, 24 September 2019

  8:00 AM - 12:00 PM

  Room 229B, North Building
• EPPUR SI MUOVE: MIOCENE PSEUDOTACHYLYTE VEINS PRESERVE A RECORD OF EARTHQUAKES >M5.5 ON LOW-ANGLE NORMAL FAULTS
  T168 Fossil Magnetism and Paleopoles; Tectonics, Stratigraphy, Geochronology, and Geomorphology; Geoscience Challenges and Education: A Celebration of John Geissman’s Career
  Tuesday, 24 September 2019

  8:00 AM - 12:00 PM

  Room 229B, North Building
• FOREBULGE CONTROL ON DRAINAGE DIVIDES USING DETRITAL ZIRCONS - LATE CRETACEOUS GALLUP AND TORRIVIO SANDSTONES, NEW MEXICO
  T103 Zircon and Beyond: Quantitative Methods for Characterizing Provenance in Modern and Ancient Sediment Routing Systems (Posters)
  Monday, 23 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building
• THE GEON 14 WOLF RIVER TECTONOMAGMATIC EVENT: A MIDCONTINENTAL LINK BETWEEN THE PICURIS AND PINWARIAN OROGENIES
  T60 Precambrian Linkages across Laurentia: Looking for Geological, Geophysical, and Paleogeographic Connections and Controversies Associated with the Growth and Tectonic Evolution of Laurentia from the Neoarchean to the Neoproterozoic II
  Sunday, 22 September 2019

  1:30 PM - 5:30 PM

  Room 229B, North Building

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2018

• 40AR/39AR GEOCHRONOLOGY AND GEOCHEMICAL EVOLUTION OF PLANCHON-PETEROA VOLCANIC COMPLEX
  270 D41. Volcanology (Posters)
  Wednesday, 7 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• MIGRATING MANTLE AND SLAB-DRIVEN DRAINAGE DISRUPTION AND LAKE FORMATION IN THE HINTERLAND AND FORELAND OF THE PALEOGENE NORTH AMERICAN CORDILLERA
  T70 Geodynamic, Orogenic, and Surface Processes of Flat-Slab Subduction
  Sunday, 4 November 2018

  1:30 PM - 5:30 PM

  Room 243
• BARABOO INTERVAL QUARTZITES: THE DOTT LEGACY AND NEW REVELATIONS
  T19 Celebrating the Sedimentary Legacy of Dr. Robert H. Dott, Jr., Part I
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Sagamore Ballroom 7

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2017

• 40AR/39AR MULTI-COLLECTOR REVOLUTION AND AGE OF THE MATUYAMA-BRUNHES BOUNDARY
  T352 Improvements and Challenges in Geochronology: Organizing the Past while Planning for the Future (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF

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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
• LITHOLOGY OF THE TUFF OF LYLE SPRING, YELLOWSTONE VOLCANIC FIELD
  175 Volcanology (Posters)
  Monday, 26 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• THE MENENGAI TUFF: A 36 KA WIDESPREAD TEPHRA AND ITS CHRONOLOGICAL RELEVANCE TO LATE PLEISTOCENE HUMAN EVOLUTION IN EAST AFRICA
  T111 The Context of Our Origins: Geological Studies of Old World Fossil Primate and Hominin Sites
  Monday, 26 September 2016

  8:00 AM - 12:00 PM

  Room 401
• ZIRCON U-PB AND AR-AR GEOCHRONOLOGY, HF ISOTOPE, AND TRACE ELEMENT CONSTRAINTS ON TEMPORAL TRENDS IN MAGMA COMPOSITION: ALASKA PENINSULA
  T164 Recent Advances in Understanding Magmatism along and within the Northern North American Cordillera (Posters)
  Monday, 26 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• 40AR/39AR SANIDINE DATING OF THE BLUE CREEK FLOW (YELLOWSTONE VOLCANIC FIELD) AND THE POTENTIAL RECORDING OF THE PRE-OLDUVAI GEOMAGNETIC POLARITY EXCURSION
  10 Cenozoic Volcanism in the Inland Northwestern United States (Posters)
  Wednesday, 18 May 2016

  8:00 AM - 6:00 PM

  Clearwater Room
• NEW 40AR/39AR AGES OF THE BISHOP MOUNTAIN FLOW FROM THE YELLOWSTONE VOLCANIC FIELD
  10 Cenozoic Volcanism in the Inland Northwestern United States (Posters)
  Wednesday, 18 May 2016

  8:00 AM - 6:00 PM

  Clearwater Room
• 40AR/39AR AGE AND PETROGRAPHY OF THE TUFF OF LYLE SPRING, YELLOWSTONE VOLCANIC FIELD, IDAHO
  10 Cenozoic Volcanism in the Inland Northwestern United States (Posters)
  Wednesday, 18 May 2016

  8:00 AM - 6:00 PM

  Clearwater Room

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2015

• ALONG-ARC GEOCHEMICAL TRENDS ON THE ALASKA PENINSULA: USING ARCHIVED U.S. GEOLOGICAL SURVEY SAMPLES FOR A SYNOPTIC GEOPRISMS STUDY
  131 Petrology, Igneous (Posters)
  Monday, 2 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• IMPROVING CRETACEOUS TIME SCALE UNCERTAINTIES VIA MULTI-COLLECTOR 40AR/39AR DATING
  T53 Bridging Two Continents: Mid-Latitude Climate during Cretaceous Greenhouse States: Comparison between East Asia and North America
  Sunday, 1 November 2015

  1:30 PM - 5:30 PM

  Room 347/348
• THE PALEOPROTEROZOIC EVOLUTION OF THE BARABOO RANGE, WISCONSIN:  300 MILLION YEARS OF SUCCESSIVE MAGMATISM, CRATONIC STABILIZATION, SEDIMENTATION, DEFORMATION AND K-METASOMATISM
  1 Precambrian Geology of the Great Lakes Region
  Tuesday, 19 May 2015

  8:00 AM - 11:20 AM

  Hall of Ideas H
• 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

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2014

• LONGEVITY OF THE MESA FALLS TUFF MAGMA SYSTEM RECORDED BY ZIRCON PETROCHRONOLOGY AND SANIDINE 40AR/39AR DATES
  T343 Cenozoic Magmatism and Volcanism in the North American Cordillera
  Wednesday, 22 October 2014

  1:00 PM - 5:00 PM

  306
• 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
• PALEOGEOGRAPHIC RECORD OF EOCENE FARALLON SLAB ROLLBACK BENEATH NORTH AMERICA
  T241 The Geodynamics of Flat-Slab Subduction and Its Influence on Upper Plate Deformation, Magmatism, and Basin Evolution
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  119/120
• NEW CONSTRAINTS ON THE TIMING, THICKNESS AND DISTRIBUTION OF PAST INCARNATIONS OF THE CORDILLERAN ICE SHEET FROM NORTHWESTERN BRITISH COLUMBIA, CANADA
  T123 The Cordilleran Ice Sheet: A Glacial Legacy in the Pacific Northwest (Posters)
  Monday, 20 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• 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
• AGE AND ORIGIN OF THE MALAPAI HILL BASALT, JOSHUA TREE NATIONAL PARK, CALIFORNIA
  5 Petrology, Geochemistry, and Deformation (Posters)
  Monday, 19 May 2014

  8:00 AM - 5:00 PM

  Ballroom B, C, D

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2013

• SANTA ELENA OPHIOLITE, COSTA RICA: A KEY FOR THE MAGMATIC AND TECTONIC PAST OF THE CARIBBEAN REGION
  331 Igneous Petrology (Posters)
  Wednesday, 30 October 2013

  9:00 AM - 6:30 PM

  Hall D
• GLOBAL APPLICATION OF REVISED LATE CRETACEOUS TIME SCALE USING INTEGRATED CHEMOSTRATIGRAPHY, BIOSTRATIGRAPHY AND GEOCHRONOLOGY
  T325 Earth Deep Time Revolution by Global Chronostratigraphic Correlation
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Room 401
• LOW-ANGLE NORMAL FAULT SEISMOGENESIS SUPPORTED BY PSEUDOTACHYLYTE 40AR/39AR THERMOCHRONOLOGY AND STRUCTURE
  T294 The Rock Record of Fault Rheology and Slip Dynamics II
  Tuesday, 29 October 2013

  1:00 PM - 5:00 PM

  Room 506
• 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
• SUCCESSIVE PLEISTOCENE IGNIMBRITES: FORERUNNERS TO THE ACTIVE RHYOLITIC MAGMA SYSTEM BENEATH LAGUNA DEL MAULE VOLCANIC FIELD, SOUTHERN ANDES, CHILE?
  T152 Volcanology, Mineralogy, Geochemistry & Petrogenesis of Circum-Pacific Magmatism (Posters): A Tribute Session to Gerhard Wörner
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• EVOLUTION OF A LARGE, HOT, RESTLESS RHYOLITIC MAGMA SYSTEM AT LAGUNA DEL MAULE, CHILE
  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
• AGE OF THE ALVORD PEAK BASALT, CENTRAL MOJAVE DESERT, CALIFORNIA
  9 Volcanology, Volcanic Rocks, Volcanic Petrogenesis (Posters)
  Monday, 20 May 2013

  1:30 PM - 5:30 PM

  Salon B/C

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2012

• AN EXTENDED ASTRONOMICAL TIME SCALE FOR THE CENOMANIAN/TURONIAN BOUNDARY INTERVAL, CRETACEOUS WESTERN INTERIOR BASIN (USA)
  T250 Geologic Timescale—Current Status, Future Enhancement, and Applications (Posters)
  Wednesday, 7 November 2012

  9:00 AM - 6:00 PM

  Hall B
• THE CRETACEOUS TIME SCALE: PROGRESS AND PROSPECTS FROM RADIOISOTOPIC DATING AND ASTROCHRONOLOGY
  T250 Geologic Timescale—Current Status, Future Enhancement, and Applications (Posters)
  Wednesday, 7 November 2012

  9:00 AM - 6:00 PM

  Hall B
• NEW AGE CONSTRAINTS FOR THE FOSSILIFEROUS SALAMANCA FORMATION AND LOWER RIO CHICO GROUP IN THE WESTERN SAN JORGE BASIN, PATAGONIA, ARGENTINA
  259 Paleontology: Biostratigraphy and Taphonomy
  Wednesday, 7 November 2012

  1:30 PM - 5:30 PM

  217BC

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2011

• A CRETACEOUS TO PLEISTOCENE PERSPECTIVE ON INTERCALIBRATING 40Ar/39Ar AND U-PB RADIOISOTOPIC CLOCKS
  T237 EARTHTIME Geochronology: Improving Age Interpretations through Integration and Intercalibration
  Wednesday, 12 October 2011

  8:00 AM - 12:00 PM

  Room 102D-F
• COUPLING ORBITAL AND RADIOISOTOPIC CHRONOMETERS: LESSONS LEARNED FROM THE CRETACEOUS WESTERN INTERIOR BASIN (U.S.A.)
  T237 EARTHTIME Geochronology: Improving Age Interpretations through Integration and Intercalibration
  Wednesday, 12 October 2011

  8:00 AM - 12:00 PM

  Room 102D-F
• VOLCANOLOGY AND PETROLOGY OF AN ENIGMATIC BACKARC VOLCANO ON THE BOLIVIAN ALTIPLANO: IMPLICATIONS FOR NON-SUBDUCTION RELATED VOLCANISM
  19 Geochemistry of Igneous Rocks: From Small Scales to Big Pictures (Posters)
  Thursday, 19 May 2011

  8:00 AM - 6:00 PM

  Grand Ballroom

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2010

• 40Ar/39Ar AND U-PB DATING OF THE CRETACEOUS NIOBRARA FORMATION
  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
• REDUCING ERROR BARS THROUGH THE INTERCALIBRATION OF RADIOISOTOPIC AND ASTROCHRONOLOGIC TIME SCALES FOR THE CENOMANIAN/TURONIAN BOUNDARY INTERVAL, WESTERN INTERIOR BASIN, USA
  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
• INTEGRATING RADIOISOTOPIC AND ASTROCHRONOLOGIC TIME SCALES FOR THE CRETACEOUS
  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

• 168 MA GRANULITE FACIES METAMORPHISM AND 154 MA REFRIGERATION IN THE SEIAD METAOPHIOLITE COMPLEX, RATTLESNAKE CREEK TERRANE, KLAMATH MOUNTAINS
  T231 New Developments in Understanding the Mesozoic Cordilleran Orogen: Linking Forearc, Arc, and Backarc Processes
  Wednesday, 21 October 2009

  8:00 AM - 12:00 PM

  A107/108/109
• BIOTITE-SANIDINE 40Ar/39Ar AGE DISCORDANCES REFLECT Ar PARTITIONING AND PRE-ERUPTION CLOSURE IN BIOTITE
  T160 EARTHTIME: From Developing Tools to Teaching about Time
  Tuesday, 20 October 2009

  8:00 AM - 12:00 PM

  C123
• IMPLICATIONS OF NEW 40Ar/39Ar AND U-PB AGES FOR CENOMANIAN-TURONIAN OAE2
  T160 EARTHTIME: From Developing Tools to Teaching about Time
  Tuesday, 20 October 2009

  8:00 AM - 12:00 PM

  C123
• TWO NEW SUPERERUPTIONS IN THE ALTIPLANO-PUNA VOLCANIC COMPLEX OF THE CENTRAL ANDES
  T41 Supervolcanoes, Ignimbrite Flare-ups, and Their Impacts: Definition, Debate, and New Developments (Posters)
  Sunday, 18 October 2009

  9:00 AM - 6:00 PM

  Hall A
• LYING IN WAIT: EVOLUTION OF DACITE AT VOLCAN SANTA MARIA, GUATEMALA
  32 Central American Volcanism - A Tribute to Bill Rose (Posters)
  Friday, 3 April 2009

  1:00 PM - 5:00 PM

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2002

• LAKE ERIE'S DETROIT DELTA OR RIVER RAISIN FAN/DELTA OR BOTH?
  40 Quaternary Geology and Geomorphology (Posters)
  Friday, 5 April 2002

  8:00 AM - 12:00 PM