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Activity

2025

• PLATE CONFIGURATIONS FOR THE EARLIEST CASCADIA ARC: WAS THE KULA PLATE INVOLVED?
  16 Tectonic Controls on Cenozoic Magmatism in the Cordillera
  Thursday, 3 April 2025

  8:00 AM - 12:00 PM

  Fresno
• MAGMATISM AND DEFORMATION DURING THE TRANSITION FROM THE CRETACEOUS-PALEOCENE NORTH CASCADES ARC TO THE ANCESTRAL CASCADES ARC
  16 Tectonic Controls on Cenozoic Magmatism in the Cordillera
  Thursday, 3 April 2025

  8:00 AM - 12:00 PM

  Fresno
• STRATIGRAPHIC AND STRUCTURAL CHARACTERIZATION OF THE EOCENE BLUE MOUNTAIN UNIT TO UNDERSTAND TRENCH-FOREARC INTERACTIONS DURING INITIATION OF THE OLYMPIC SUBDUCTION COMPLEX AND ANCESTRAL CASCADES ARC
  25 Mesozoic-Cenozoic Orogenesis Along the Pacific Northwest Cordilleran Margin
  Thursday, 3 April 2025

  1:30 PM - 5:30 PM

  Granada/Hermosa
• GEOLOGIC RECORD OF SUBDUCTION INITIATION PROCESSES FOR THE LATE TRIASSIC-JURASSIC TALKEETNA ARC, ALASKA: PRE-INITIATION DEFORMATION, SYN-INITIATION VOLCANISM, AND ESTABLISHMENT OF THE ARC FRONT
  15 Cordilleran and Other Orogenic Belt Evolution from Components to Whole
  Thursday, 3 April 2025

  8:00 AM - 12:00 PM

  Balboa/Calaveras
• CO-CRYSTALLIZATION OF ZIRCON AND FE-TI OXIDES AND THEIR RELATION TO THE CHEMICAL AND THERMAL EVOLUTION OF THE POCO CANYON CALDERA SYSTEM, NEVADA
  21 Volcanic and Plutonic Connections in Cordilleran Arcs: Integrating Studies from Extinct and Active Systems (Posters)
  Thursday, 3 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• THE EXHUMATION RESPONSE TO SILETZIA COLLISION AND ASSOCIATED TECTONIC REORGANIZATION RECORDED IN THE THERMAL HISTORIES OF EOCENE PLUTONS IN THE NORTH CASCADES, WA
  12 Tectonics and Magmatism in the Modern and Ancestral Cascades Volcanic Arc II
  Wednesday, 2 April 2025

  1:30 PM - 5:30 PM

  Balboa/Calaveras

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2024

• COMPOSITIONAL VARIATION OF THE CRETACEOUS BIG BEAR LAKE INTRUSIVE SUITE, CENTRAL TRANSVERSE RANGES: PETROGRAPHIC AND WHOLE ROCK GEOCHEMICAL ANALYSES
  T254 Mineralogy, Geochemistry, Petrology, and Volcanology Student Session (Posters)
  Wednesday, 25 September 2024

  8:00 AM - 5:30 PM

  Hall D
• EOCENE ORIGIN OF THE YAKUTAT TERRANE AS A SPREADING-RIDGE CENTERED OCEANIC PLATEAU WITH THE SILETZIA TERRANE OFFSHORE PACIFIC NORTHWEST AND BRITISH COLUMBIA
  T223 Structural Analysis, Digital Mapping Advances, Tectonics, and Tectonic-Climate Processes from California to Alaska and Elsewhere II: A Celebration of Terry Pavlis’s Diverse Contributions and Career
  Tuesday, 24 September 2024

  1:30 PM - 5:30 PM

  304A
• UPDATE ON AN OVERVIEW OF RIDGE-TRENCH INTERACTIONS IN MODERN AND ANCIENT SETTINGS
  T170 Structural Analysis, Digital Mapping Advances, Tectonics, and Tectonic-Climate Processes from California to Alaska and Elsewhere I: A Celebration of Terry Pavlis’s Diverse Contributions and Career
  Tuesday, 24 September 2024

  8:00 AM - 10:55 AM

  304A
• INVESTIGATING THE INITIATION OF THE TALKEETNA ARC THROUGH VOLCANIC AND SEDIMENTARY RECORDS OF THE SHUYAK FORMATION, KODIAK ARCHIPELAGO, ALASKA
  T199 Subduction Zones and Their Volcanic Arcs: Initiation and Evolution, Structure, Metamorphism, Magmatism (Posters)
  Tuesday, 24 September 2024

  8:00 AM - 5:30 PM

  Hall D
• PALEOZOIC BASIN EVOLUTION DURING TECTONIC AND CLIMATIC TRANSITIONS IN THE EASTERN PRECORDILLERA OF ARGENTINA
  T202 Climate and Tectonic Interactions from Bedrock to Basins (Posters)
  Tuesday, 24 September 2024

  8:00 AM - 5:30 PM

  Hall D
• SEDIMENTOLOGIC AND GEOCHRONOLOGIC EVIDENCE FROM THE EOCENE TO OLIGOCENE KULTHIETH FORMATION FOR CENOZOIC TRANSPORT OF THE YAKUTAT TERRANE
  T145 Oblique Motion on the North American Cordilleran Margin II: Jurassic to Paleogene
  Monday, 23 September 2024

  1:30 PM - 5:30 PM

  304B
• CRUSTAL MAGMA SOURCES AND ASSEMBLY OF THE CRETACEOUS BIG BEAR LAKE INTRUSIVE SUITE, CENTRAL TRANSVERSE RANGES: LASER ABLATION SPLIT STREAM ANALYSIS
  T115 Magmatism and Accreted Terranes from the North American Cordillera to the Norwegian Caledonides: a Session in Honor of the Scientific Contributions of Calvin G. Barnes (Posters)
  Monday, 23 September 2024

  8:00 AM - 5:30 PM

  Hall D
• INCREASED ACCURACY OF MAXIMUM DEPOSITIONAL AGE (MDA) ESTIMATIONS USING CHEMICAL ABRASION-LASER ABLATION-INDUCTIVELY COUPLED PLASMA-MASS SPECTROMETRY (CA-LA-ICPMS)
  T36 New Advances and Applications of CA-TIMS U/Pb Geochronology and CA Method in the Earth Sciences: A Session in Honor of James Mattinson (Posters)
  Sunday, 22 September 2024

  8:00 AM - 5:30 PM

  Hall D
• CRUSTAL THICKENING DURING THE END-CRETACEOUS MAGMATIC FLARE-UP IN THE NORTH CASCADES
  T48 Oblique Motion on the North American Cordilleran Margin: Jurassic to Paleogene (Posters)
  Sunday, 22 September 2024

  8:00 AM - 5:30 PM

  Hall D
• MULTI-STEP CHEMICAL ABRASION AND DISSOLUTION APPLIED TO COMPLEX ZIRCON FROM THE PROTEROZOIC MT. MARCY MASSIF ANORTHOSITE, NEW YORK
  T57 New Advances and Applications of CA-TIMS U/Pb Geochronology and CA Method in the Earth Sciences: A Session in Honor of James Mattinson
  Sunday, 22 September 2024

  1:30 PM - 5:30 PM

  212B

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2023

• STRATIGRAPHIC AND STRUCTURAL EVOLUTION OF THE EOCENE ALDWELL AND LYRE FORMATIONS IN A SYN- TO POST-COLLISION BASIN FOLLOWING ACCRETION OF SILETZIA, NORTHERN OLYMPIC PENINSULA, WA
  T248 Convergent Margin Systems (Posters)
  Wednesday, 18 October 2023

  8:00 AM - 5:30 PM

  Hall B
• EXPLORING CONTROLS ON THE VOLUME AND REPOSE TIME OF MAGMATIC INCREMENTS INTO UPPER-CRUSTAL SILICIC MAGMA SYSTEMS AND THEIR ERUPTIVE COUNTERPARTS
  T174 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution (Posters)
  Tuesday, 17 October 2023

  8:00 AM - 5:30 PM

  Hall B
• NEW CA-ID-TIMS U-PB ZIRCON GEOCHRONOLOGY FROM THE CRETACEOUS ENTIAT PLUTON, NORTH CASCADES, WASHINGTON: VARIATIONS IN MAGMA EMPLACEMENT RATE IN A MID-CRUSTAL, INTERMEDIATE, SHEETED PLUTON
  T174 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution (Posters)
  Tuesday, 17 October 2023

  8:00 AM - 5:30 PM

  Hall B
• NEW GEOLOGIC MAPPING AND U-PB ZIRCON GEOCHRONOLOGY AT THE SOUTHERN END OF THE ROSS LAKE FAULT ZONE IN THE NORTH CASCADES OF WASHINGTON, USA
  T185 Geological and Geophysical Constraints on Orogenic Architecture as Windows to Tectonic Style Through Time (Posters)
  Tuesday, 17 October 2023

  8:00 AM - 5:30 PM

  Hall B
• THE ORIGIN OF CIRCUMFERENTIAL FAULTING ON THE FLANK OF ALBA MONS, NORTHERN THARSIS REGION, MARS
  T96 35th Annual Undergraduate Research Exhibition (Posters)
  Monday, 16 October 2023

  8:00 AM - 5:30 PM

  Hall B
• EVOLUTION OF THE IXL-JOB CANYON MAGMATIC SYSTEM IN THE STILLWATER RANGE, NV
  T128 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution II
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  327
• THE EFFECTS OF CHEMICAL ABRASION (CA) PRIOR TO LA-ICP-MS FOR U-PB DETRITAL ZIRCON GEOCHRONOLOGY AND DEFINITION OF MAXIMUM DEPOSITIONAL AGES
  T20 Maximum Depositional Ages (MDAs) from Detrital Mineral Geochronology: Recent Advances in Sampling, Experimental Designs, Interpretive Tacts, and Chronostratigraphic Applications
  Sunday, 15 October 2023

  8:00 AM - 12:00 PM

  320
• THE ROLE OF OCEANIC PLATEAU COLLISION AND BREAK-UP IN THE GEOLOGIC DEVELOPMENT OF THE PACIFIC NORTHWEST AND SOUTHEASTERN ALASKA USING SEDIMENTARY ANALYSES AND U-PB ZIRCON GEOCHRONOLOGY
  T68 Convergent Margin Systems
  Sunday, 15 October 2023

  1:30 PM - 5:30 PM

  326
• TESTING TERRANE TRANSPORT ALONG TRANSPRESSIVE CONVERGENT MARGINS: HIGH-PRECISION U-PB GEOCHRONOLOGY, GEOLOGIC MAPPING, AND STRATIGRAPHIC ANALYSIS OF THE YAKUTAT AND SILETZIA TERRANES
  27 Late Jurassic to Eocene Tectonics of the North America Cordillera III: Evolving and Emerging Models
  Friday, 19 May 2023

  8:00 AM - 12:00 PM

  Whitney Peak Ballroom 1
• INTERVAL BETWEEN REGIONAL MID-CRETACEOUS CONTRACTION AND EOCENE TRANSTENSION IN THE NORTH CASCADES SEGMENT OF THE COAST MOUNTAINS BATHOLITH: INSIGHTS AND QUESTIONS
  13 Late Jurassic to Eocene Tectonics of the North America Cordillera I: Evolving and Emerging Models
  Thursday, 18 May 2023

  8:00 AM - 12:00 PM

  Whitney Peak Ballroom 1
• EFFICIENT FRACTIONAL CRYSTALLIZATION AND EARLY ZIRCON SATURATION IN AN UPPER CRUSTAL ARC MAFIC INTRUSION: HIDDEN LAKES MAFIC COMPLEX, SIERRA NEVADA BATHOLITH
  10 Evolution of Transcrustal Cordilleran Arc Systems
  Wednesday, 17 May 2023

  1:30 PM - 4:30 PM

  Whitney Peak Ballroom 2
• RAPID THERMAL AND VOLATILE EVOLUTION OF MAGMAS ASSOCIATED WITH A LARGE IGNIMBRITE ERUPTION: POCO CANYON CALDERA SYSTEM, NEVADA
  6 Drivers of Cordilleran Magmatic Processes and Geochemistry (Posters)
  Wednesday, 17 May 2023

  8:00 AM - 6:00 PM

  Cargo Room
• THE CRYSTAL RECORD OF THE TUFF OF ELEVENMILE CANYON, NV
  6 Drivers of Cordilleran Magmatic Processes and Geochemistry (Posters)
  Wednesday, 17 May 2023

  8:00 AM - 6:00 PM

  Cargo Room
• CONDITIONS AND TIMESCALES OF RHYOLITE STORAGE IN THE MIOCENE SEARCHLIGHT MAGMATIC SYSTEM, NV
  6 Drivers of Cordilleran Magmatic Processes and Geochemistry (Posters)
  Wednesday, 17 May 2023

  8:00 AM - 6:00 PM

  Cargo Room

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2022

• MAGMA EMPLACEMENT AND DIFFERENTIATION IN THE OLIGOCENE IXL PLUTON, NEVADA
  T256 Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies II
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  502
• EOCENE TRIPLE-JUNCTION MIGRATION IN THE PACIFIC NORTHWEST AND ITS RELATIONSHIP TO TERRANE TRANSPORT
  T185 Basin Analysis, Strike-Slip Faults, and Tectonics II: Honoring the Contributions of Paul Umhoefer
  Tuesday, 11 October 2022

  1:30 PM - 5:30 PM

  607
• NEW HIGH-PRECISION GEOCHRONOLOGY OF THE CENOZOIC SEDIMENTARY PERIPHERAL ROCK SEQUENCE, NORTHERN OLYMPIC PENINSULA, WA: IMPLICATIONS FOR BASIN FORMATION FOLLOWING OCEANIC PLATEAU COLLISION
  T185 Basin Analysis, Strike-Slip Faults, and Tectonics II: Honoring the Contributions of Paul Umhoefer
  Tuesday, 11 October 2022

  1:30 PM - 5:30 PM

  607
• WHAT HAPPENS TO LARGE DISPLACEMENTS ON PALEOGENE STRIKE-SLIP FAULTS IN CENTRAL BRITISH COLUMBIA AND ALASKA TO THE SOUTH?
  T185 Basin Analysis, Strike-Slip Faults, and Tectonics II: Honoring the Contributions of Paul Umhoefer
  Tuesday, 11 October 2022

  1:30 PM - 5:30 PM

  607
• WHAT’S IN AN AGE? CALCULATION OF AGES AND DURATIONS FROM U-PB ZIRCON GEOCHRONOLOGY OF IGNEOUS ROCKS
  T198 Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies (Posters)
  Tuesday, 11 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• INCREASED ACCURACY AND PRECISION IN DETRITAL ZIRCON GEOCHRONOLOGY USING CA-LA-ICPMS
  T198 Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies (Posters)
  Tuesday, 11 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• INSIGHTS INTO THE SIZE AND FREQUENCY OF MAGMATIC INCREMENTS EMPLACED INTO UPPER-CRUSTAL SILICIC MAGMATIC SYSTEMS
  T171 Source to Surface Magma Thermodynamics and Transport: Interdisciplinary Approaches to Documenting the How, Where, and When of Magma Generation and Evolution during Ascent, Storage, and Eruption (Posters)
  Tuesday, 11 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F
• TRACKING THE COLLAPSE AND EXHUMATION OF A CONTINENTAL MAGMATIC ARC: THE RECORD FROM ZIRCON DEPTH PROFILING ANALYSES OF NORTH CASCADES METASEDIMENTARY ROCKS
  T185 Basin Analysis, Strike-Slip Faults, and Tectonics II: Honoring the Contributions of Paul Umhoefer
  Tuesday, 11 October 2022

  1:30 PM - 5:30 PM

  607
• EFFECTS OF A CALDERA-FORMING ERUPTION ON THE CONDITIONS OF MAGMA STORAGE: POCO CANYON CALDERA SYSTEM, NEVADA
  T115 Source to Surface Magma Thermodynamics and Transport: Interdisciplinary Approaches to Documenting the How, Where, and When of Magma Generation and Evolution during Ascent, Storage, and Eruption II
  Monday, 10 October 2022

  1:30 PM - 5:30 PM

  502

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2021

• REVISITING STRATIGRAPHY OF THE EOCENE TO MIOCENE SEDIMENTARY PERIPHERAL ROCKS ON THE OLYMPIC PENINSULA, WASHINGTON
  T163 Late Cretaceous–Eocene (pre-Cascadia) Tectonics from the Greater Pacific Northwest Margin to the Rocky Mountains (Posters)
  Tuesday, 12 October 2021

  9:00 AM - 1:00 PM

  Exhibit Hall A
• STRATIGRAPHIC AND STRUCTURAL CHARACTERIZATION OF THE EOCENE BLUE MOUNTAIN UNIT, OLYMPIC PENINSULA, WA: IMPLICATIONS FOR BASIN FORMATION AND VOLCANISM FOLLOWING SILETZIA’S ACCRETION
  T163 Late Cretaceous–Eocene (pre-Cascadia) Tectonics from the Greater Pacific Northwest Margin to the Rocky Mountains (Posters)
  Tuesday, 12 October 2021

  9:00 AM - 1:00 PM

  Exhibit Hall A
• UPPER PLATE RESPONSE TO RIDGE-TRENCH INTERACTION AND OCEANIC PLATEAU ACCRETION, WASHINGTON CASCADES AND SURROUNDING REGION: IMPLICATIONS FOR PALEOGENE PLATE TECTONIC EVOLUTION OF THE PACIFIC NORTHWEST
  T100 Late Cretaceous–Eocene (pre-Cascadia) Tectonics from the Greater Pacific Northwest Margin to the Rocky Mountains
  Monday, 11 October 2021

  1:30 PM - 5:30 PM

  A106
• THE STRUCTURAL AND DEPOSITIONAL EVOLUTION OF PULL-APART BASINS: AN EXAMPLE FROM THE EOCENE CHUMSTICK BASIN, CENTRAL WASHINGTON
  T100 Late Cretaceous–Eocene (pre-Cascadia) Tectonics from the Greater Pacific Northwest Margin to the Rocky Mountains
  Monday, 11 October 2021

  1:30 PM - 5:30 PM

  A106
• MAGMA EMPLACEMENT PROCESSES IN THE RAPIDLY CONSTRUCTED GOLDEN HORN BATHOLITH, WASHINGTON
  17 Physical and Chemical Processes of Arc Magmatism and Their Impacts on Crustal Evolution
  Friday, 14 May 2021

  8:30 AM - 12:30 PM

  Desert Research Institute Room

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2020

• BREAKING UP IS HARD TO DO: A SUMMARY OF FIELD RELATIONS AND GEOCHRONOLOGY OF LATE TONIAN TO CRYOGENIAN INTRACONTINENTAL RIFTING OF RODINIA IN THE SOUTHERN APPALACHIAN BLUE RIDGE
  T198 Assembling Laurentia: Paleozoic Mobile Margins I
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• CONSTRAINING LATE TONIAN CLIMATE THROUGH U-PB GEOCHRONOLOGY OF THE GLACIGENIC KONNAROCK FORMATION FROM SOUTHWEST VIRGINIA, USA
  T110 Evolving Perspectives on the Tonian Biosphere and Environmental Change
  Wednesday, 28 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• A METHOD FOR EXTRACTING 3D MODAL MINERALOGY AND TEXTURAL DATA FROM PLUTONIC ROCKS
  T140 Mineralogy, Petrology, and Geochemistry: New Approaches to Harnessing the Multidimensionality of Complex Systems II
  Wednesday, 28 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• PALEOCENE LATITUDE OF THE KOHISTAN-LADAKH ARC INDICATES MULTI-STAGE INDIA-EURASIA COLLISION
  T95 Recent Advances in Supercontinents: Paleogeography, Geodynamics, and Paleoclimate Evolution II
  Tuesday, 27 October 2020

  5:30 PM - 8:00 PM

  Meeting Rooms
• FIELD, TEXTURAL, AND GEOCHEMICAL OBSERVATIONS FROM RHYOLITES ALONG THE CONTACT BETWEEN THE MOUNT ROGERS AND KONNAROCK FORMATIONS, SOUTHWEST VIRGINIA
  44 D19. Structural Geology and Tectonics (Posters)
  Saturday, 21 March 2020

  1:30 PM - 5:30 PM

  Grand Ballroom A–D

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2019

• U-PB ZIRCON GEOCHRONOLOGY OF THE SOUTHERN MALWA PLATEAU BASALT: DECCAN TRAPS, INDIA
  T296 Volcanism, Impacts, and Phanerozoic Mass Extinctions: Discovering a Common Cause and Planning for the 6th Mass Extinction II
  Wednesday, 25 September 2019

  1:30 PM - 5:30 PM

  Room 227ABC, North Building
• PROTRACTED MAGMATIC K-FELDSPAR MEGACRYST GROWTH REVEALED WITH CA-ID-TIMS-TEA U-PB ZIRCON GEOCHRONOLOGY IN THE TUOLUMNE INTRUSIVE COMPLEX, CALIFORNIA
  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
• ASSESSING THE DECCAN TRAPS ERUPTION RECORD FROM GEOCHRONOLOGY AND EVALUATING THE RELATIONSHIP TO THE K-PG BOUNDARY
  T296 Volcanism, Impacts, and Phanerozoic Mass Extinctions: Discovering a Common Cause and Planning for the 6th Mass Extinction II
  Wednesday, 25 September 2019

  1:30 PM - 5:30 PM

  Room 227ABC, North Building
• CHEMOSTRATIGRAPHIC EVIDENCE FOR DIFFERENTIATION WITHIN THE MIOCENE SEARCHLIGHT PLUTON, NEVADA, USA
  T163 The Solidification Path of Magma—Information from Igneous Rocks, Eruptions, and Experimental Petrology: In Honor of the Mineralogical Society of America Awardee for 2019, Olivier Namur
  Tuesday, 24 September 2019

  8:00 AM - 12:00 PM

  Room 126ABC, North Building