---

Activity

2025

• TRIASSIC-JURASSIC OPHIOLITE, METAMORPHIC SOLE, AND VOLCANICS AS A HYPEREXTENDED FOREARC FORMED AT THE INITIATION OF SUBDUCTION, SIERRA NEVADA CENTRAL BELT, CALIFORNIA
  28 Plumes, Ophiolites and Oceanic Crust: Honoring the Scientific Contributions of John W. Shervais
  Friday, 4 April 2025

  8:00 AM - 12:00 PM

  Balboa/Calaveras
• COMPARISON OF LITHOLOGIC LOGS WITH GEOPHYSICAL LOGS FROM A SAMPLE OF GROUNDWATER WELLS IN CALIFORNIA
  18 Hydrogeologic Basin Characterization: Integrated Approaches Using Geophysical, Geochemical, Geologic, and Hydrologic Methods (Posters)
  Thursday, 3 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• ARE SHEAR SENSE INDICATORS PRESERVED IN THE METAMORPHIC SOLE OF THE TUOLUMNE OPHIOLITE IN THE SIERRA NEVADA?
  22 Undergraduate and Graduate Geoscience Student Lightning Talk Showcase (Posters)
  Thursday, 3 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• EXTENT OF OPEN ANNULAR SPACE IN OIL AND GAS WELLS IN THE COALINGA OIL FIELD, FRESNO COUNTY, CALIFORNIA
  22 Undergraduate and Graduate Geoscience Student Lightning Talk Showcase (Posters)
  Thursday, 3 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• USING GEOPHYSICAL LOGS TO DETERMINE GROUNDWATER SALINITY TRENDS AND THE EFFECTS OF SALINE WATER DISPOSAL IN AQUIFERS
  14 Hydrogeologic Basin Characterization: Integrated Approaches Using Geophysical, Geochemical, Geologic, and Hydrologic Methods
  Thursday, 3 April 2025

  8:00 AM - 12:00 PM

  Granada/Hermosa
• TRANSFORMING RESISTIVITY DATA TO LITHOLOGY FOR LARGE SCALE AIRBORNE ELECTROMAGNETIC (AEM) SURVEYS
  14 Hydrogeologic Basin Characterization: Integrated Approaches Using Geophysical, Geochemical, Geologic, and Hydrologic Methods
  Thursday, 3 April 2025

  8:00 AM - 12:00 PM

  Granada/Hermosa
• OCEAN-CORE COMPLEXES FORMED AT SLOW-SPREADING RIDGES CAN EXPLAIN THE ULTRAMAFIC-SUPRACRUSTAL CONTACTS COMMONLY EXPOSED IN SIERRA NEVADA METAMORPHIC BELTS
  2 Mysteries of the Sierra Nevada
  Wednesday, 2 April 2025

  8:00 AM - 12:00 PM

  Fresno
• DRY HOLES OUTSIDE OF CALIFORNIA OIL AND GAS FIELDS AS POTENTIAL UPWARD MIGRATION PATHWAYS FOR DEEPER, MORE SALINE FLUIDS
  1 Investigations of Hydrologic Resources in the Cordillera
  Wednesday, 2 April 2025

  8:00 AM - 12:00 PM

  Granada/Hermosa
• POSSIBLE NORTHERN EXTENSION OF THE TRIASSIC-JURASSIC TUOLUMNE OPHIOLITE AND OVERLYING ARC ROCKS NEAR PARDEE RESERVOIR, CALIFORNIA
  6 Mysteries of the Sierra Nevada (Posters)
  Wednesday, 2 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• FIELD AND PETROGRAPHIC OBSERVATIONS FROM THE CENTRAL BELT EXPOSED BENEATH THE SMARTVILLE COMPLEX, HIGGINS CORNER, SIERRA NEVADA, CALIFORNIA
  6 Mysteries of the Sierra Nevada (Posters)
  Wednesday, 2 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• PETROGRAPHIC OBSERVATIONS OF THE WOLF BAR AMPHIBOLITE
  6 Mysteries of the Sierra Nevada (Posters)
  Wednesday, 2 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom
• DETRITAL ZIRCON GEOCHRONOLOGY FROM A CLASTIC UNIT OVERLYING THE JARBO GAP OPHIOLITE, CENTRAL BELT, SIERRA NEVADA
  6 Mysteries of the Sierra Nevada (Posters)
  Wednesday, 2 April 2025

  8:00 AM - 5:30 PM

  Sierra Ballroom

---

2024

• TWO HIGH-TEMPERATURE METAMORPHIC EVENTS PRESERVED IN DETRITAL ZIRCONS FROM THE METAMORPHIC SOLE OF THE FEATHER RIVER BELT, NORTHERN SIERRA NEVADA, CALIFORNIA
  225 D22. Recent Advances in Structural Geology & Tectonics
  Wednesday, 25 September 2024

  8:00 AM - 12:00 PM

  212B
• EXTENT OF UNCASED AND UNPLUGGED BOREHOLE IN DRY OIL AND GAS WELLS LOCATED OUTSIDE OF OIL FIELDS IN KERN COUNTY, CALIFORNIA
  T256 Quantifying and Addressing the Environmental and Health Impacts of Active, Orphaned, and Abandoned Oil & Gas Wells (Posters)
  Wednesday, 25 September 2024

  8:00 AM - 5:30 PM

  Hall D
• CHARACTERIZING THE AGE AND DEPTH OF ANNULAR CEMENT TO IDENTIFY POTENTIAL PATHWAYS OF VERTICAL FLUID MIGRATION IN THE COALINGA OIL FIELD, FRESNO COUNTY CA
  T256 Quantifying and Addressing the Environmental and Health Impacts of Active, Orphaned, and Abandoned Oil & Gas Wells (Posters)
  Wednesday, 25 September 2024

  8:00 AM - 5:30 PM

  Hall D
• EVIDENCE FOR LATE ADAKITE MAGMATISM IN THE TRIASSIC-JURASSIC ARC, SIERRA NEVADA CENTRAL BELT, 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
• A JOINT GAUSSIAN PROCESS MODEL OF GEOCHEMISTRY, GEOPHYSICS, AND TEMPERATURE FOR GROUNDWATER TDS IN THE SAN ARDO OIL FIELD, CALIFORNIA, USA
  T69 Using 3-D Geological Models to Explore Geologic Processes, Assess Natural Resources and Hazards, and Meet Societal Needs
  Sunday, 22 September 2024

  1:30 PM - 5:30 PM

  304B
• HIGH-TEMPERATURE PARTIAL-MELT EVENT RECORDED IN THE FIRST CONFIRMED ECLOGITE FROM THE SIERRA NEVADA METAMORPHIC BELTS, CALIFORNIA
  4 Structure and Tectonics of the North American Cordillera and Rocky Mountains I
  Wednesday, 15 May 2024

  8:00 AM - 12:00 PM

  Maple Ballroom
• EXTENT OF OPEN VERTICAL PATHWAYS IN “DRY HOLE” OIL AND GAS WELLS LOCATED OUTSIDE OF OIL FIELDS IN THE SAN JOAQUIN VALLEY, CALIFORNIA
  12 Management of Hydrologic and Geologic Resources (Posters)
  Wednesday, 15 May 2024

  9:00 AM - 5:30 PM

  Grand Ballroom

---

2023

• ASSESSING POTENTIAL EFFECTS OF OIL AND GAS ACTIVITY ON GROUNDWATER QUALITY OF AQUIFERS NEAR AND OVERLYING THE ELK HILLS AND NORTH COLES LEVEE OIL FIELDS, SAN JOAQUIN VALLEY, CALIFORNIA
  T190 No Well Left Behind: Quantifying Impacts and Improving Management of Active, Abandoned, and Orphaned Oil and Gas Wells to Safeguard Air, Water, and Land Resources
  Tuesday, 17 October 2023

  1:30 PM - 5:30 PM

  310 / 311
• METACLASTIC-RICH IMBRICATED OCEAN-PLATE STRATIGRAPHY IN THE METAMORPHIC SOLE OF THE TUOLUMNE OPHIOLITE
  18 Late Jurassic to Eocene Tectonics of the North America Cordillera: Evolving and Emerging Models (Posters)
  Thursday, 18 May 2023

  8:00 AM - 6:00 PM

  Cargo Room
• HIGH-PRESSURE METAMORPHIC EVENT RECORDED IN AMPHIBOLITE IN THE JARBO GAP OPHIOLITE, CENTRAL BELT, SIERRA NEVADA, CALIFORNIA
  20 Advancements in Central Sierra Nevada Structural Geology and Tectonics (Posters)
  Thursday, 18 May 2023

  8:00 AM - 6:00 PM

  Cargo Room

---

2022

• USING BOREHOLE GEOPHYSICAL LOGS TO MAP GROUNDWATER TOTAL DISSOLVED SOLID PATTERNS IN THE CAT CANYON OIL FIELD, SANTA BARBARA COUNTY, CALIFORNIA
  T203 Applications of Geophysics to Solve Near-Surface Geological Problems (Posters)
  Tuesday, 11 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• SALINITY MAPPING OF GROUNDWATER IN AND AROUND OIL FIELDS WITH HETEROGENEOUS TEMPERATURE FIELDS
  T203 Applications of Geophysics to Solve Near-Surface Geological Problems (Posters)
  Tuesday, 11 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• HISTORICAL PRODUCTION AND INJECTION VOLUMES FOR OIL FIELDS IN LOS ANGELES AND ORANGE COUNTIES, CALIFORNIA
  T54 Energy: Environmental Legacies and Futures (Posters)
  Sunday, 9 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F

---

2021

• GEOCHRONOLOGY AND THERMOBAROMETRY OF THE GARNET AMPHIBOLITE AT THE BASE OF THE TUOLUMNE OPHIOLITE, SIERRA NEVADA CENTRAL BELT, CALIFORNIA
  T162 Initiation and Evolution of Arc-Forearc Systems in Cascadia and Beyond (Posters)
  Tuesday, 12 October 2021

  9:00 AM - 1:00 PM

  Exhibit Hall A
• GEOMETRY OF THE LATE CRETACEOUS SOUTHERN SIERRA NEVADA DETACHMENT SYSTEM: A COMPARISON OF PRE-SAN-ANDREAS-FAULT PALEOGEOGRAPHIC RECONSTRUCTIONS
  127 D32. Recent Advances in Tectonics/Tectonophysics (Posters)
  Monday, 11 October 2021

  2:30 PM - 6:30 PM

  Exhibit Hall A
• GEOCHEMISTRY, GEOCHRONOLOGY, AND THERMOBAROMETRY OF HIGH-PRESSURE AMPHIBOLITES FROM THE CENTRAL ARC AND MELANGE BELT NEAR COLFAX, CALIFORNIA
  1 Chemical and Thermal Changes in Cordilleran Arc Systems: Insights from the Metamorphic Record
  Wednesday, 12 May 2021

  8:30 AM - 12:30 PM

  UNR Dept of Geological Sciences & Engineering Room
• GEOCHEMISTRY AND GEOCHRONOLOGY OF A PRECAMBRIAN PLAGIOGRANITE IN THE SIERRA CITY MELANGE, NORTHERN SIERRA NEVADA, CALIFORNIA
  7 Undergraduate Research I (Posters)
  Wednesday, 12 May 2021

  11:25 AM - 12:30 PM

  Mackay School of Earth Sciences & Engineering Room

---

2020

• HIGH-PRESSURE, HIGH-TEMPERATURE MAFIC AMPHIBOLITE OF THE CENTRAL BELT OF THE SIERRA NEVADA MOUNTAINS NEAR COLFAX, CALIFORNIA
  T195 Showcasing Posters of Undergraduate Research by 2YC and 4YCU Geoscience Students I (Posters)
  Thursday, 29 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• SPATIAL AND TEMPORAL RELATIONSHIP BETWEEN INSAR-DERIVED SUBSIDENCE, FLUID BALANCE, AND FORMATION PRESSURES IN THE KERN FRONT AND KERN RIVER OIL FIELDS
  T211 Remote Sensing Applications in Hydrology
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• TEMPERATURE EVOLUTION IN A SHALLOW AQUIFER ABOVE A STEAMED HEAVY-OIL RESERVOIR IN THE SAN ARDO OIL FIELD, MONTEREY COUNTY, CALIFORNIA
  T124 Heat in the Hydrosphere: Elucidating Environmental Processes and Environmental Change Using Water Temperature
  Wednesday, 28 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• GEOLOGIC MAPPING AND GEOCHEMISTRY FROM OPHIOLITIC ROCKS NEAR AUBURN, CALIFORNIA
  24 Undergraduate Research (Posters)
  Wednesday, 13 May 2020

  9:00 AM - 6:00 PM

  Fountain Ballroom
• TRACE-ELEMENT GEOCHEMISTRY AND GEOBAROMETRY FROM OPHIOLITIC ROCKS NEAR GRASS VALLEY, CALIFORNIA
  24 Undergraduate Research (Posters)
  Wednesday, 13 May 2020

  9:00 AM - 6:00 PM

  Fountain Ballroom
• CENOZOIC TECTONIC HISTORY OF THE NORTHERN SALINIAN BLOCK FROM LOW-TEMPERATURE THERMOCHRONOLOGY
  2 Exhumation and Uplift of the Sierra Nevada and Tehachapi Mountains
  Tuesday, 12 May 2020

  8:00 AM - 12:00 PM

  Plaza Room

---

2019

• ALUMINUM-IN-HORNBLENDE GEOBAROMETRY OF THE NORTHERN PART OF THE SALINIAN BLOCK
  T50 Present-Day and Ancient Flat-Slab Subduction in Rock Records, Geophysical Images, and Geodynamic Models (Posters)
  Sunday, 22 September 2019

  9:00 AM - 5:30 PM

  Hall AB, North Building

---

2018

• USE OF BOREHOLE TEMPERATURE LOGS TO UNDERSTAND AQUIFER GEOCHEMISTRY AND HYDROGEOLOGY IN AND AROUND CALIFORNIA OIL FIELDS
  T180 Water Temperatures in Surface and Subsurface Hydrologic Systems: Controls, Applications, and Implications (Posters)
  Tuesday, 6 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• HOT AND COLD SUBDUCTION INITIATION
  T93 Plate Tectonics Paradigm and Future Directions of Research—Discovery in Light of Its 50-Year History I
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Room 243

---

2017

• NEW GEOLOGIC MAPPING OF THE PRECAMBRIAN TONALITE ASSOCIATED WITH THE ORDOVICIAN TRINITY OPHIOLITE, KLAMATH MOUNTAINS, CALIFORNIA
  T389 New Perspectives on Cordilleran Tectonics, Paleogeography, and Metallogeny (Posters)
  Wednesday, 25 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF

---

2016

• IS THE TRINITY OPHIOLITE A PIECE OF HYPEREXTENDED CONTINENTAL MARGIN?
  T293 Earth History in the Broadest Context—Ophiolites, Global Tectonics, and Public Awareness of Earth Science I: Celebrating the Contributions of Eldridge Moores
  Wednesday, 28 September 2016

  8:00 AM - 12:00 PM

  Room 203
• RECONSTRUCTING THE EUROPEAN HYPEREXTENDED MARGIN OF THE ALPINE TETHYS IN CALABRIA, SOUTHERN ITALY
  T55 Earth History in the Broadest Context—Tectonics, Impacts, Mass Extinctions, and Big History: Celebrating the Contributions of Walter Alvarez
  Sunday, 25 September 2016

  1:30 PM - 5:30 PM

  Mile High Ballroom 3B
• IS A TRIASSIC SUBDUCTION INITIATION EVENT RECORDED IN THE FORT JONES TERRANE, KLAMATH MOUNTAINS, CALIFORNIA?
  8 Linking Mesozoic Arcs,Tectonics and Mineral Deposits (Posters)
  Monday, 4 April 2016

  8:30 AM - 5:30 PM

  Ballroom C
• A VISUAL HISTORY OF OIL FIELD DEVELOPMENT AND WASTEWATER INJECTION IN CALIFORNIA OIL FIELDS
  9 Hydrogeology of Complex Geologic Settings, Urban Environments, and Contaminated Ecosystems (Posters)
  Monday, 4 April 2016

  8:30 AM - 5:30 PM

  Ballroom C

---

2015

• GEOLOGIC MAPPING OF A TETHYAN OCEAN-CONTINENT TRANSITION DETACHMENT FAULT EXPOSED IN THE LIGURIDE COMPLEX OF SOUTHERN ITALY
  T210 Sigma Gamma Epsilon—Undergraduate Research (Posters)
  Tuesday, 3 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• WASTEWATER DISPOSAL AND WATERFLOOD INJECTION VOLUMES IN CALIFORNIA
  T117 Reservoir Connectivity and Fluid Migration during Unconventional Oil and Gas Development: Implications for Hydraulic Fracturing, CO2 Storage, Enhanced Oil Recovery, and Waste Water Injection (Posters)
  Monday, 2 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• TETHYAN OCEAN-CONTINENT TRANSITION AND OCEANIC CORE COMPLEX OPHIOLITES OF CALABRIA AND BASILICATA, SOUTHERN ITALY
  T75 Rift-Drift, Seafloor Spreading, and Subduction Zone Tectonics of Collisional Orogens: Comparative Analysis of the Circum-Mediterranean and Appalachian-Caledonian Orogenic Belts
  Sunday, 1 November 2015

  1:30 PM - 5:30 PM

  Room 341

---

2014

• POSSIBLE DETACHMENT FAULT PRESERVED IN THE NEOPROTEROZOIC TRINITY OPHIOLITE, KLAMATH MOUNTAINS, CALIFORNIA
  T209 Ridge to Trench Evolution of Oceanic Lithosphere and Its Accretion Tectonics in the Pacific Rim (Past and Present) (Posters)
  Tuesday, 21 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• AGE AND ORIGIN OF LEUCOCRATIC ROCKS OF THE NEOPROTEROZOIC TRINITY OPHIOLITE, KLAMATH MOUNTAINS, CALIFORNIA
  T209 Ridge to Trench Evolution of Oceanic Lithosphere and Its Accretion Tectonics in the Pacific Rim (Past and Present) (Posters)
  Tuesday, 21 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• DETAILED MAPPING AND OBSERVATIONS OF A NEW SECTION OF THE SKOOKUM GULCH SCHIST AND TRINITY OPHIOLITE, EASTERN KLAMATH MOUNTAINS, CALIFORNIA
  18 Snoke Session 2: The Eclectic Tectonic Legacy of Arthur W. Snoke—Comparative Anatomy and Tectonic Evolution of Continental Margins from the Precambrian to Recent (Posters)
  Tuesday, 20 May 2014

  8:00 AM - 5:00 PM

  Ballroom B, C, D
• A REASSESSMENT OF FISSION-TRACK AGES AND THE THERMAL EVOLUTION OF THE CALABRIAN ARC AFTER THE INITIATION OF SUBDUCTION, SOUTHERN ITALY
  18 Snoke Session 2: The Eclectic Tectonic Legacy of Arthur W. Snoke—Comparative Anatomy and Tectonic Evolution of Continental Margins from the Precambrian to Recent (Posters)
  Tuesday, 20 May 2014

  8:00 AM - 5:00 PM

  Ballroom B, C, D