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Activity

2025

• 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
• GEOCHEMICAL ANALYSIS OF THE TEANAWAY FORMATION, CENTRAL CASCADES, WASHINGTON. EVIDENCE TO SUPPORT SLAB BREAKOFF AFTER ACCRETION OF SILETZIA
  22 Undergraduate and Graduate Geoscience Student Lightning Talk Showcase (Posters)
  Thursday, 3 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom

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2024

• ISOTOPICALLY DEPLETED MIOCENE ADAKITES IN THE CASCADIA REAR-ARC AND THEIR IMPLICATIONS FOR MANTLE FLOW
  34 New Developments in the Magmatic Drivers of Cascades Volcanism
  Friday, 17 May 2024

  8:00 AM - 12:00 PM

  Meeting Room 1

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2021

• GEOCHEMISTRY AND PETROLOGY OF EOCENE TO MIOCENE ROCKS IN A REAR-ARC SETTING, CENTRAL CASCADES, 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
• PETROLOGY AND TECTONIC SETTING OF THE SILVER PASS VOLCANICS, CENTRAL CASCADES, WA: EARLY EVIDENCE OF FARALLON SLAB BREAKOFF
  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
• INVESTIGATING ARSENIC MINERALOGY IN HISTORIC MINE WASTE FROM THE IDAHO-MARYLAND MINE (GRASS VALLEY, CALIFORNIA) USING SEM-EDS
  T185 Environmental Geochemistry and Health (Posters)
  Tuesday, 12 October 2021

  2:30 PM - 6:30 PM

  Exhibit Hall A
• NEW GEOLOGIC MAPPING IN THE TENALQUOT PRAIRIE AND VAIL QUADRANGLES, WASHINGTON, INDICATES THAT CASCADE ARC VOLCANISM STARTED ABOUT 46 MA, ASSOCIATED VOLCANIC DEPOSITS LIKELY FILLED AN EOCENE FAULT-BOUNDED TACOMA BASIN NORTHEAST OF THE OLYMPIA STRUCTURE, PRE-VASHON DEPOSITS HERE EXTEND SEVERAL KILOMETERS FARTHER SOUTH THAN VASHON DEPOSITS, AND HIGH-VOLUME MELTWATER DISCHARGE MARKED THE GLACIAL ICE MARGIN
  T157 The Life and Times of Arc Volcanoes from Bottom to Top (Posters)
  Tuesday, 12 October 2021

  9:00 AM - 1:00 PM

  Exhibit Hall A
• MIGRATING EOCENE MAGMATISM AND TECTONISM ACROSS THE PACIFIC NORTHWEST: SLAB ROLLBACK, SLAB WINDOW, OR BOTH?
  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
• 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
• PETROLOGIC INVESTIGATION OF EARLY CASCADE UNITS IN THE SOUTHERN WILLAMETTE VALLEY, OREGON, AND IMPLICATIONS FOR LONG-TERM GEOCHEMICAL EVOLUTION OF THE CASCADE ARC
  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
• PETROLOGY AND TECTONIC SETTING OF SILVER PASS VOLCANICS, CENTRAL CASCADES, WA: MIDDLE EOCENE SLAB BREAKOFF
  2 Petrology, Geochemistry, and Structure of Cordilleran Batholiths Through Space and Time
  Wednesday, 12 May 2021

  8:30 AM - 12:30 PM

  Desert Research Institute Room
• PETROLOGY OF EOCENE-MIOCENE VOLCANIC UNITS IN CENTRAL WASHINGTON AND THEIR TECTONIC SETTINGS
  2 Petrology, Geochemistry, and Structure of Cordilleran Batholiths Through Space and Time
  Wednesday, 12 May 2021

  8:30 AM - 12:30 PM

  Desert Research Institute Room

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2020

• MINERAL GEOCHEMISTRY OF CRETACEOUS AND EOCENE PLUTONIC ROCKS FROM THE OKANOGAN HIGHLANDS, NORTHEASTERN WASHINGTON STATE
  T260 Showcasing Posters of Undergraduate Research by 2YC and 4YCU Geoscience Students II (Posters)
  Friday, 30 October 2020

  10:00 AM - 2:00 PM

  Meeting Rooms

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2019

• PETROLOGIC INVESTIGATION OF THE NORTHCRAFT FORMATION, SOUTHWEST WASHINGTON: INSIGHTS INTO EARLY CASCADES ARC MAGMATISM
  39 Magmatism in the Cascades: Variations in Space and Time (Posters)
  Friday, 17 May 2019

  9:00 AM - 3:30 PM

  Exhibit Hall B
• GEOLOGIC MAP OF THE VIOLET PRAIRIE 7.5-MINUTE QUADRANGLE, THURSTON AND LEWIS COUNTIES, WASHINGTON
  40 Geologic Maps: Essential Framework Tools Used to Solve Practical Earth Science Problems (Posters)
  Friday, 17 May 2019

  9:00 AM - 3:30 PM

  Exhibit Hall B
• GEOLOGIC MAP OF THE CENTRALIA 7.5-MINUTE QUADRANGLE, LEWIS COUNTY, WASHINGTON
  40 Geologic Maps: Essential Framework Tools Used to Solve Practical Earth Science Problems (Posters)
  Friday, 17 May 2019

  9:00 AM - 3:30 PM

  Exhibit Hall B
• INITIATION OF THE CASCADE ARC BY NORTHWARD MIGRATION OF THE FARALLON SLAB
  22 Recent Advances in Cordilleran Tectonic Evolution—2: Cenozoic (Posters)
  Thursday, 16 May 2019

  9:00 AM - 6:00 PM

  Exhibit Hall B
• A SYNTHESIS OF THE PALEOGENE TECTONIC EVOLUTION OF WASHINGTON STATE
  17 Recent Advances in Cordilleran Tectonic Evolution—2: Cenozoic
  Thursday, 16 May 2019

  8:00 AM - 12:00 PM

  Room C124
• PRESSURE AND TEMPERATURE ESTIMATES FOR SEVERAL EOCENE PLUTONS IN THE CASCADE FOOTHILLS AND EASTERN PUGET LOWLANDS OF WASHINGTON STATE: A RECORD OF EOCENE SYN-TECTONIC INTRUSION AND EOCENE TO PRESENT FAULTING
  17 Recent Advances in Cordilleran Tectonic Evolution—2: Cenozoic
  Thursday, 16 May 2019

  8:00 AM - 12:00 PM

  Room C124

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2017

• THE CAUSE(S) OF WIDESPREAD EOCENE MAGMATISM IN THE PACIFIC NORTHWEST: INSIGHTS FROM GEOCHEMISTRY AND GEOCHRONOLOGY OF IGNEOUS ROCKS IN WASHINGTON
  T321 Paleocene-Eocene Tectonic and Magmatic Evolution of the Pacific Northwest
  Wednesday, 25 October 2017

  8:00 AM - 12:00 PM

  Tahoma 4
• SUBSURFACE CHARACTERIZATION OF THERMAL SPRINGS IN CASCADE RANGE AND OLYMPIC MOUNTAINS, WASHINGTON USING MULTIPLE MINERAL EQUILIBRIA GEOTHERMOMETRY
  T348 Geothermal Energy (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• MID-EOCENE ARC VOLCANISM IN CENTRAL WASHINGTON CASCADES: PETROLOGY OF THE TANEUM FORMATION AND ITS RELATION TO FARALLON PLATE SUBDUCTION AND BREAKOFF
  T390 Paleocene-Eocene Tectonic and Magmatic Evolution of the Pacific Northwest (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• GRANITE FALLS STOCK AND THE HANSEN LAKE RHYOLITE—A HISTORY OF SYN-TECTONIC EOCENE MAGMATISM AND UPLIFT IN THE PILCHUCK RIVER VALLEY DURING REGIONAL TRANSTENSION, SNOHOMISH COUNTY, WASHINGTON
  T390 Paleocene-Eocene Tectonic and Magmatic Evolution of the Pacific Northwest (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• GEOLOGIC MAP OF THE MALTBY 7.5’ QUADRANGLE, SNOHOMISH AND KING COUNTIES, WASHINGTON
  T387 Geologic Mapping in the Pacific Northwest and Beyond: Recent Maps, Advances, and New Insights: In Memory of Russell C. Evarts and his Extensive Contributions to Pacific Northwest Geologic Mapping (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• MINERAL GEOCHEMISTRY AND GEOTHERMOBAROMETRY OF THE EOCENE GRANITE FALLS STOCK, BALD MOUNTAIN PLUTON, AND MOUNT PILCHUCK STOCK, WASHINGTON STATE
  T390 Paleocene-Eocene Tectonic and Magmatic Evolution of the Pacific Northwest (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• GEOLOGIC MAP OF THE LITTLEROCK QUADRANGLE, THURSTON COUNTY, WASHINGTON
  T387 Geologic Mapping in the Pacific Northwest and Beyond: Recent Maps, Advances, and New Insights: In Memory of Russell C. Evarts and his Extensive Contributions to Pacific Northwest Geologic Mapping (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• GEOLOGY OF THE GRANITE FALLS 7.5-MINUTE QUADRANGLE AREA—A RICH HISTORY OF NEOTECONIC BASIN DEVELOPMENT AND INVERSION TO MESOZOIC ACCRETIONARY TECONICS IN THE FOOTHILLS OF SNOHOMISH COUNTY, WASHINGTON
  T387 Geologic Mapping in the Pacific Northwest and Beyond: Recent Maps, Advances, and New Insights: In Memory of Russell C. Evarts and his Extensive Contributions to Pacific Northwest Geologic Mapping (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• UPPER PLATE RESPONSE TO RIDGE AND PLATEAU SUBDUCTION, WASHINGTON CASCADES, USA: IMPLICATIONS FOR PLATE TECTONIC EVOLUTION OF THE PACIFIC NORTHWEST
  T215 Subduction Zone Response to Ridge and Plateau Collision: Perspectives from the Archean to the Cenozoic
  Tuesday, 24 October 2017

  8:00 AM - 12:00 PM

  Tahoma 5

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2016

• BETWEEN THE CRESCENT AND THE ARC: PETROLOGY OF EARLY-TO-MIDDLE EOCENE IGNEOUS UNITS IN WESTERN WASHINGTON
  25 Igneous and Metamorphic Petrology (Posters)
  Wednesday, 6 April 2016

  8:30 AM - 12:30 PM

  Ballroom C
• TRACKING THE GROWTH OF A TRACHYTE LAVA DOME ON AKAROA VOLCANO, NEW ZEALAND WITH STRUCTURAL OBSERVATIONS, GEOCHEMISTRY AND CRYSTAL SIZE DISTRIBUTIONS
  17 Undergraduate Research Posters (Posters)
  Tuesday, 5 April 2016

  8:30 AM - 5:30 PM

  Ballroom C
• EOCENE BREAKOFF AND ROLLBACK OF THE FARALLON SLAB – AN EXPLANATION FOR THE “CHALLIS EVENT”?
  7 Causes and Consequences of Magmatic and Tectonic Tempos in Continental and Oceanic Arcs (Posters)
  Monday, 4 April 2016

  8:30 AM - 5:30 PM

  Ballroom C
• A HOLOCENE ENVIRONMENTAL HISTORY OF LAKE LOUISE, LAKEWOOD, WASHINGTON
  4 Quaternary Geology and Geomorphology (Posters)
  Monday, 4 April 2016

  8:30 AM - 5:30 PM

  Ballroom C

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2014

• ORIGIN AND TECTONIC IMPLICATIONS OF THE EOCENE GOLDEN HORN BATHOLITH: A UNIQUE “A-TYPE” GRANITE IN THE NORTH CASCADES, WASHINGTON
  T4 Tectonics of the Northwest Cordillera I: A Session in Honor of the Career Contributions of Ned Brown, Jim Monger, and Glenn Woodsworth
  Sunday, 19 October 2014

  8:00 AM - 12:00 PM

  116/117
• CRETACEOUS VS. EOCENE MAGMATISM IN NE WASHINGTON AND IDAHO:  PETROLOGIC COMPARISONS, TEMPORAL TRENDS, AND TECTONIC INFERENCES
  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
• RAPID EMPLACEMENT OF THE GOLDEN HORN BATHOLITH: NORTH CASCADES, WA
  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

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2013

• ENVIRONMENTAL HISTORY OF A 13,000 YEAR SEDIMENT RECORD FROM WASHINGTON STATE’S MOST CONTAMINATED LAKE: WAUGHOP LAKE, PIERCE COUNTY, WASHINGTON
  T343 World of Lakes (Posters)
  Wednesday, 30 October 2013

  9:00 AM - 6:30 PM

  Hall D
• A 40 MA GEOCHEMICAL RECORD OF SPATIAL AND TEMPORAL CHANGES IN CASCADE ARC MAGMATISM
  129 Volcanology (Posters)
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D

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2009

• DEEP GROUNDWATER INFLOW EXPLAINS ANOMALOUS CHEMISTRY OF A KETTLE LAKE, SOUTH PUGET SOUND, WASHINGTON
  170 Hydrogeology (Posters)
  Tuesday, 20 October 2009

  9:00 AM - 6:00 PM

  Hall A
• WHY PLAN A RETIREMENT COMMUNITY IN A LAHAR ZONE? DESIGNING A PROJECT-BASED GEOHAZARDS COURSE IN COLLABORATION WITH THE COUNTY OFFICE OF EMERGENCY MANAGEMENT
  T46 Opportunities and Challenges for Geologic Hazards Education in Cascadia (Posters): In Memory of John Lahr
  Sunday, 18 October 2009

  9:00 AM - 6:00 PM

  Hall A
• GEOCHEMICALLY ANOMALOUS IGNEOUS ROCKS OF THE OLYMPIC PENINSULA: IMPLICATIONS FOR EOCENE TECTONICS
  9 Igneous and Metamorphic Petrology (Posters)
  Friday, 8 May 2009

  8:30 AM - 5:30 PM