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Activity

2025

• ANCESTRAL CASCADES VOLCANIC CENTERS OF THE FEATHER AND YUBA RIVER DRAINAGES, NORTHEASTERN CALIFORNIA
  3 Tectonics and Magmatism in the Modern and Ancestral Cascades Volcanic Arc I
  Wednesday, 2 April 2025

  8:00 AM - 12:00 PM

  Balboa/Calaveras

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2024

• NEW GEOCHRONOLOGY HIGHLIGHTS THE EVOLUTION OF AN ACTIVE MARGIN IN THE NORTHERN SIERRA NEVADA, CALIFORNIA
  T201 Geologic History of the Northern Sierra Nevada, a Persistent and Evolving Active Margin Along Western North America (Posters)
  Tuesday, 24 September 2024

  8:00 AM - 5:30 PM

  Hall D
• ḨARRAT RAHAT REVISITED – NEW RESULTS ON AN ARABIA PLATE VOLCANIC FIELD PREVIOUSLY STUDIED BY VIC CAMP AND JOHN ROOBOL
  3 Continental Mafic Volcanism I: Honoring the Career of Vic Camp
  Wednesday, 15 May 2024

  8:00 AM - 12:00 PM

  Meeting Room 1

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2023

• THE SOUTHERNMOST CASCADES VOLCANIC ARC AND ITS RELATIONSHIP TO THE BASIN AND RANGE AND THE SIERRA NEVADA
  38 At the Crossroads—Addressing Geological Questions and Complexities Near the Boundary of the Basin & Range, Cascadia, and/or Sierra Nevada Provinces
  Friday, 19 May 2023

  1:30 PM - 4:00 PM

  Whitney Peak Ballroom 2
• THE TIMING AND DISTRIBUTION OF MAFIC LAVA ERUPTIONS DURING THE FIRST TWO MILLION YEARS OF THE CLEAR LAKE VOLCANIC FIELD IN NORTHERN CALIFORNIA
  3 A Multidisciplinary Effort to Better Understand Northern California’s Clear Lake Volcanic Field
  Wednesday, 17 May 2023

  8:00 AM - 12:00 PM

  Whitney Peak Ballroom 3

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2021

• COMPOSITIONAL PROGRESSION FROM BASALT-ONLY TO BASALT+ANDESITE+DACITE DURING THE 300 KA ERUPTIVE HISTORY OF MT. VENIAMINOF, ALASKA
  T232 The Life and Times of Arc Volcanoes from Bottom to Top II
  Wednesday, 13 October 2021

  1:30 PM - 5:30 PM

  A106
• MOBILE, “DRY” DACITES BY SHALLOW, GABBROIC DIFFERENTIATION OF ARC BASALTS AT MOUNT VENIAMINOF VOLCANO, ALASKA PENINSULA
  T232 The Life and Times of Arc Volcanoes from Bottom to Top II
  Wednesday, 13 October 2021

  1:30 PM - 5:30 PM

  A106
• A BRIEF LIFESPAN FOR ASH CREEK BUTTE, CALIFORNIA
  167 D33. Recent Advances in Volcanology
  Tuesday, 12 October 2021

  1:30 PM - 5:30 PM

  D135
• VOLCANIC AND TECTONIC GAP BETWEEN THE LASSEN AND SHASTA SEGMENTS OF THE CASCADES VOLCANIC ARC
  14 Quaternary Volcanic Centers of the Cordillera
  Friday, 14 May 2021

  8:30 AM - 12:30 PM

  Mackay School of Earth Sciences & Engineering Room

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2020

• SAN JOAQUIN RIVER INTRACANYON TRACHYANDESITE LAVA FLOW 100 KM LONG, RECOGNITION OF ITS VENT NEAR DEVILS POSTPILE, AND 2 KM ROCK UPLIFT OF SIERRA NEVADA CREST SINCE 9.3 MA
  T144 Advances in Tectonic Geomorphology: Building It up and Tearing It Down
  Wednesday, 28 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• MT. SHASTA: THE CASCADE’S LARGEST STRATOVOLCANO, BUILT AND REBUILT OVER 700 KA
  10 Quaternary Volcanism in California (Posters)
  Tuesday, 12 May 2020

  9:00 AM - 6:00 PM

  Fountain Ballroom

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2019

• EVALUATING SUBDUCTION CONTRIBUTIONS TO THE SOUTHERN CASCADE ARC: INSIGHTS FROM THE GEOCHEMISTRY OF MAFIC ARC LAVAS AND GORDA PLATE SEDIMENTS
  T184 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 (Posters)
  Tuesday, 24 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building
• VARIATIONS IN MANTLE COMPOSITION AND SUBDUCTION CONTRIBUTIONS TO MAFIC MAGMAS IN THE SOUTHERN CASCADE ARC
  33 Magmatism in the Cascades: Variations in Space and Time
  Friday, 17 May 2019

  8:00 AM - 12:00 PM

  Room C124
• DEXTRAL, NORMAL, AND SINISTRAL FAULTING, AND TRANSROTATION ACROSS THE EASTERN CALIFORNIA SHEAR ZONE-MINA DEFLECTION TRANSITION, CALIFORNIA-NEVADA
  7 Cordilleran Tectonics from the Basin and Range to Alaska and the Arctic: A Celebration of Elizabeth Miller’s Career (2018 GSA Structure and Tectonics Division Career Contribution Award) (Posters)
  Wednesday, 15 May 2019

  9:00 AM - 6:00 PM

  Exhibit Hall B

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2018

• SPATIAL AND TEMPORAL CHARACTERIZATION OF VOLCANIC-FILLED PALEOVALLEYS DEXTRALLY OFFSET ACROSS THE PETRIFIED SPRINGS FAULT IN THE CENTRAL WALKER LANE, NEVADA
  62 Tectonics of the Death Valley Region: A Tribute to Bennie Troxel and Lauren Wright (Posters)
  Thursday, 17 May 2018

  8:30 AM - 4:30 PM

  Outdoor Tents

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2016

• INTERCALIBRATION OF 40AR/39AR MINERAL STANDARDS WITH BODIE HILLS SANIDINE
  T238 Beyond EARTHTIME: Accuracy and a Multi-Chronometer Time Scale (Posters)
  Tuesday, 27 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• TUFF-FILLED PALEOVALLEYS DEXTRALLY OFFSET ACROSS THE BENTON SPRINGS FAULT, CENTRAL WALKER LANE, NEVADA
  T267 Plate Tectonics, Arc-Trench Systems, Cordilleran Tectonics, Sedimentary Basins, Sandstone Provenance, and Geoarchaeology (Posters): A Celebration of William R. Dickinson's Career
  Tuesday, 27 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• GEOLOGIC INVESTIGATIONS IN THE BLACK MOUNTAIN AREA, NORTHERN EASTERN CALIFORNIA SHEAR ZONE: TESTING A KINEMATIC AND GEOMETRIC FAULT SLIP TRANSFER MODEL
  15 Neotectonics and Magmatism in Death Valley and Southwestern Basin and Range (Posters)
  Tuesday, 5 April 2016

  8:30 AM - 5:30 PM

  Ballroom C

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2014

• LAVA-ICE INTERACTION ON A LARGE COMPOSITE VOLCANO: A CASE STUDY FROM RUAPEHU, NEW ZEALAND
  267 Recent Advances in Igneous Processes
  Wednesday, 22 October 2014

  8:00 AM - 12:00 PM

  219
• TESTING KINEMATIC MODELS IN THE EASTERN CALIFORNIA SHEAR ZONE – WALKER LANE BELT: FIELD STUDIES IN THE SOUTHWESTERN MINA DEFLECTION, CALIFORNIA – NEVADA
  36 Structural Geology and Tectonics: Faults, Folds, and Structural Models (Posters)
  Sunday, 19 October 2014

  9:00 AM - 5:00 PM

  Exhibition Hall C

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2013

• CONSTRAINING THE MAGMATIC EVOLUTION OF RUAPEHU VOLCANO, NEW ZEALAND: NEW HIGH-PRECISION 40AR-39AR GEOCHRONOLOGY AND GEOCHEMISTRY
  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

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2011

• ARCTIC ALASKA-CHUKOTKA CRUSTAL RESPONSE TO JURASSIC-CRETACEOUS PLATE-MARGIN TECTONICS
  T230 Tectonic Development of the Northern North American Cordillera
  Wednesday, 12 October 2011

  8:00 AM - 12:00 PM

  Room 200DE
• LATE MESOZOIC AND CENOZOIC EVOLUTION OF EAST-CENTRAL NEVADA: HINTERLAND TECTONICS AND THE ORIGIN OF METAMORPHIC CORE COMPLEXES
  2 From Contraction to Extension: The Mesozoic to Cenozoic Tectonic Evolution of the Northern Great Basin I
  Wednesday, 18 May 2011

  8:00 AM - 12:00 PM

  Willow

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2010

• PLIOCENE SINISTRAL GEOLOGIC SLIP RATES IN THE WESTERN MINA DEFLECTION: GEOLOGIC MAPPING AND AR/AR GEOCHRONOLOGY IN THE ADOBE HILLS, CALIFORNIA
  T49 Distributed Continental Shear: Styles, Rates, and Variations in the Characteristics of Dextral Deformation along the Walker Lane and Eastern California Shear Zone (Posters)
  Sunday, 31 October 2010

  8:00 AM - 6:00 PM

  Hall D

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2009

• GEOLOGIC MAP OF THE 350 km3 BASALT-TO-DACITE VENIAMINOF VOLCANO, ALEUTIAN ARC
  T255 Physics of Volcanic Eruptions: Implications for Hazards (Posters)
  Wednesday, 21 October 2009

  9:00 AM - 6:00 PM

  Hall A
• PLEISTOCENE MAGMATIC-HYDROTHERMAL SYSTEMS IN THE LASSEN REGION, NORTHEASTERN CALIFORNIA
  T204 Magmas and Volatiles: Linking Granites, Volcanoes, Geothermal Systems, and Mineral Deposits II
  Tuesday, 20 October 2009

  1:30 PM - 5:30 PM

  E143/144
• MIDDLE SISTER: THE YOUNGEST STRATOVOLCANO IN THE COMPOSITIONALLY-DIVERSE THREE SISTERS VOLCANIC CLUSTER, OR
  T110 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting (Posters)
  Monday, 19 October 2009

  9:00 AM - 6:00 PM

  Hall A
• ERUPTIVE HISTORY OF SOUTH SISTER, OREGON CASCADES
  T18 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting I
  Sunday, 18 October 2009

  8:00 AM - 12:00 PM

  E143/144

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2007

• VOLCANO-GLACIER INTERACTIONS AT MOUNT VENIAMINOF VOLCANO, A LARGE ICE-FILLED CALDERA ON THE ALASKA PENINSULA
  11 Active Volcano-Glacier Interactions: Process, Products, Hazards
  Saturday, 5 May 2007

  8:00 AM - 12:00 PM

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2006

• 40AR/39AR THERMOCHRONOLOGY, THE TECTONO-THERMAL EVOLUTION OF THE SOUTHERN BROOKS RANGE HINTERLAND, AND TIES WITH EXTERNAL PARTS OF THE OROGEN
  23 AAPG/GSA: The Brooks Range Orogen II: A Symposium in Honor of Gil Mull
  Tuesday, 9 May 2006

  1:20 PM - 5:00 PM

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2005

• EPISODIC, MULTI-MECHANISTIC EXHUMATION OF THE BROOKS RANGE OROGEN AS REVEALED BY THERMOCHRONOLOGY
  T252 Accretionary Orogens in Space and Time II
  Wednesday, 19 October 2005

  1:30 PM - 5:30 PM

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2003

• ALTERATION AND THE MAGMATIC HISTORY OF MT. RAINIER, WASHINGTON
  T218 Hydrothermal Alteration on Active Volcanoes: Processes, Rates, and Applications to Hazards and Resources
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM
• SOUTHWARD MIGRATION OF MID-TERTIARY VOLCANISM: RELATIONS IN THE COCHETOPA AREA, NORTH-CENTRAL SAN JUAN MOUNTAINS, COLORADO
  8 Rise and Fall of the Rocky Mountains IV: The Ups and Downs of the Cenozoic
  Thursday, 8 May 2003

  8:30 AM - 12:00 PM
• NEOGENE EVOLUTION OF THE COSTA RICAN ARC AND DEVELOPMENT OF THE CORDILLERA CENTRAL
  33 The Caribbean and Central American Realms of the Southernmost Cordillera
  Thursday, 3 April 2003

  8:30 AM - 12:05 PM

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2002

• RADIOMETRIC DATING OF THREE SISTERS VOLCANIC FIELD
  35 Hazards and Risks from Cascade Volcanoes
  Wednesday, 15 May 2002

  8:00 AM - 12:00 PM

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Date Unknown

• TWO YOUNG SILICIC SISTERS AT THREE SISTERS VOLCANIC FIELD, OREGON
  T231 The Cascade Volcanic Arc System (Posters)
• THE ANTIQUITY OF MOUNT ST. HELENS AND AGE OF THE HAYDEN CREEK DRIFT
  T33 Quaternary History and Stratigraphy of the Pacific Northwest (Posters)