George Gehrels
University of Arizona, Tucson, AZ
Activity
2024
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GEOLOGIC RELATIONS ALONG THE INSULAR-INTERMONTANE BOUNDARY REQUIRE MODIFIED “BAJA BC”, “MEZCALERA SUTURE”, AND “HIT AND RUN” HYPOTHESES
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 CareerTuesday, 24 September 20241:30 PM - 5:30 PM304A
2023
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SINISTRAL FAULTING ALONG THE NORTHERN CORDILLERAN MARGIN: IMPLICATIONS FOR INSULAR-INTERMONTANE CONNECTIONS AND THE POLARITY OF JURA-CRETACEOUS SUBDUCTION
27 Late Jurassic to Eocene Tectonics of the North America Cordillera III: Evolving and Emerging ModelsFriday, 19 May 20238:00 AM - 12:00 PMWhitney Peak Ballroom 1
2020
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AGECALCML: AN OPEN-SOURCE MATLAB-BASED DATA REDUCTION PLATFORM FOR LA-ICP-MS GEOCHRONOLOGY AND GEOCHEMISTRY DATA FROM THE ARIZONA LASERCHRON CENTER
T54 Bridging the Laboratory–Database Divide in GeochemistryTuesday, 27 October 202010:00 AM - 12:00 PMMeeting Rooms
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STRUCTURAL, GEOCHRONOLOGIC, AND THERMOCHRONOLOGIC ANALYSIS OF THE CATALINA DETACHMENT FAULT AND ITS IMMEDIATELY UNDERLYING LOWER PLATE FAULT ROCKS AND STRUCTURES, RINCON MOUNTAINS, ARIZONA
T72 Strain in the Footwalls of Detachment Faults: New Insights on the 40th Anniversary of the Seminal GSA Memoir “Cordilleran Metamorphic Core Complexes”Tuesday, 27 October 20201:30 PM - 5:30 PMMeeting Rooms
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THE SPARROW LABORATORY INFORMATION MANAGEMENT SYSTEM — A TOOL FOR CONNECTING GEOCHEMICAL DATA TO CONTEXT AND COMMUNITY
T54 Bridging the Laboratory–Database Divide in GeochemistryTuesday, 27 October 202010:00 AM - 12:00 PMMeeting Rooms
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RESOLVING MID- TO UPPER-CRUSTAL EXHUMATION THROUGH APATITE PETROCHRONOLOGY
T85 Using Paired Single-Mineral Geochronology and Geochemistry to Address Tectonic Problems from the Mid-Crust to Earth’s SurfaceTuesday, 27 October 20201:30 PM - 5:30 PMMeeting Rooms
2019
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LATE PALEOZOIC TERRANE ACCRETION AND SEDIMENT DISPERSAL AROUND THE SOUTHERN MARGIN OF LAURENTIA
T294 Laurentian Evolution during the Late Mississippian to Early Permian: Interactions and Feedbacks between Tectonism, Climate, and Sedimentary SystemsWednesday, 25 September 20191:30 PM - 5:30 PMRoom 228AB, North Building
2018
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U-PB AND HF ISOTOPIC ANALYSIS OF DETRITAL ZIRCONS FROM PALEOZOIC AND CRETACEOUS STRATA OF SOUTHERN VANCOUVER ISLAND, BRITISH COLUMBIA
221 D34. Sediments, ClasticWednesday, 7 November 20188:00 AM - 12:00 PMRoom 130-131
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DETRITAL ZIRCON CONSTRAINTS ON NORTH AMERICAN TECTONISM AND SEDIMENT DISPERSAL DURING PALEOZOIC TIME
T143 Plate Tectonics Paradigm and Future Directions of Research—Discovery in Light of Its 50-Year History IIMonday, 5 November 20181:30 PM - 5:30 PMRoom 243
2016
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GEOLOGY, U-PB GEOCHRONOLOGY, AND HAFNIUM ISOTOPE GEOCHEMISTRY ACROSS THE ALASKA RANGE SUTURE ZONE (SOUTH-CENTRAL ALASKA): INSIGHTS INTO COLLISIONAL PROCESSES AND CORDILLERAN TECTONICS
274 Tectonics of Western North America: Late Paleozoic and through TimeWednesday, 28 September 20168:00 AM - 12:00 PMMile High Ballroom 2C
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PROVENANCE OF THE MESOPROTEROZOIC UNKAR GROUP AND CORRELATES: A RECORD OF THE TECTONIC EVOLUTION OF THE GRENVILLE OROGENY IN SOUTHERN LAURENTIA
T52 Detrital Zircons on the North American Continental Interior ISunday, 25 September 20161:30 PM - 5:30 PMRoom 402
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LU-HF ISOTOPIC TRENDS DURING SHALLOW SUBDUCTION AND FOUNDERING OF THE FARALLON SLAB AND THE RESULTANT MAGMATIC SWEEP ACROSS THE SOUTHWESTERN U.S
7 Causes and Consequences of Magmatic and Tectonic Tempos in Continental and Oceanic Arcs (Posters)Monday, 4 April 20168:30 AM - 5:30 PMBallroom C
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NEW U-PB AGES AND ZIRCON HF ISOTOPE DATA FROM THE SOUTHERN COAST MOUNTAIN BATHOLITH AND IMPLICATIONS FOR ALONG STRIKE VARIATION IN MAGMATISM
7 Causes and Consequences of Magmatic and Tectonic Tempos in Continental and Oceanic Arcs (Posters)Monday, 4 April 20168:30 AM - 5:30 PMBallroom C
2015
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U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY OF THE SOUTHERN COAST MOUNTAINS BATHOLITH, BRITISH COLUMBIA
T195 A Lower Crustal Perspective on Magmatic Arc ProcessesTuesday, 3 November 20158:00 AM - 12:00 PMRoom 331/332
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EVIDENCE FOR A PALEOZOIC STRIKE-SLIP OROGEN ON THE NORTH AMERICAN ARCTIC MARGIN
T173 Strike Slip Fault Systems Transfer Stress Inboard from the Subduction Zone Margin Leading to Basin Subsidence and Orogensis, Are Conduits for Magmatism, and Are Responsible for Far-Traveled Terrane TranslationMonday, 2 November 20151:30 PM - 5:30 PMRoom 308
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DETRITAL ZIRCON GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY OF ROBERTS MOUNTAINS ALLOCHTHON STRATA IN NEVADA: CONSTRAINTS ON PROVENANCE AND TERRANE ORIGIN
22 Tectonics, Sedimentation, and Energy Resource Potential of the Northern Cordillera (Posters)Wednesday, 13 May 20151:30 PM - 5:30 PMAtrium/Hallway
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DETRITAL-ZIRCON POPULATIONS AND MISSISSIPPIAN–PERMIAN SEDIMENT DISPERSAL PATHWAYS IN EASTERN LAURENTIA
31 John Dennison Memorial Symposium: Appalachian Geology and Paleozoic Glacio-Eustasy IIFriday, 20 March 20151:00 PM - 3:00 PMRoberts
2014
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CHUMP (CHUAR-UINTA MOUNTAIN-PAHRUMP) STRATA OF THE WESTERN U.S. RECORD CRETACEOUS – LIKE OCEAN ANOXIC EVENTS (OAES) BEFORE SNOWBALL EARTH
T258 The Tonian-Cryogenian WorldTuesday, 21 October 20141:00 PM - 5:00 PM220
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JURA-CRETACEOUS SINISTRAL SHEAR ZONES ALONG THE WESTERN FLANK OF THE CENTRAL AND SOUTHERN COAST MOUNTAIN
T65 Tectonics of the Northwest Cordillera II: A Session in Honor of the Career Contributions of Ned Brown, Jim Monger, and Glenn WoodsworthSunday, 19 October 20141:00 PM - 5:00 PM116/117
2013
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PROVENANCE OF CRETACEOUS THROUGH MID-TERTIARY STRATA OF THE FOUR CORNERS REGION: INSIGHTS FROM DETRITAL ZIRCONS IN THE SAN JUAN BASIN, NEW MEXICO AND COLORADO
T215 Sevier to Laramide Tectonism along the Western Laurentian Margin: Sedimentologic and Stratigraphic Constraints on Cretaceous-Tertiary Magmatism, Deformation, and Orogenic ExhumationTuesday, 29 October 20138:00 AM - 12:00 PMRoom 203
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GEOCHRON.ORG: THE PROGRESS AND STRUCTURE OF A DETRITAL MINERAL DATABASE (PART OF EARTHCHEM/IEDA)
T139 Digital Geosciences: A Framework for Data-Intensive, Multi-Disciplinary Research and Education (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
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USING PAIRED U-PB AND HF ISOTOPES TO CHARACTERIZE THE CRUSTAL EVOLUTION OF THE MOJAVE PROVINCE: COMPARISON OF IGNEOUS AND METASEDIMENTARY LITHOLOGIES IN GRAND CANYON AND DEATH VALLEY
T124 Proterozoic Meets Archean: Amalgamation of LaurentiaMonday, 28 October 20138:00 AM - 12:00 PMRoom 304
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DETRITAL ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY OF THE ALEXANDER TERRANE IN SOUTHEASTERN ALASKA
T56 The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
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U-PB GEOCHRONOLOGY AND HF ISOTOPE ANALYSIS OF DETRITAL ZIRCONS FROM THE GRAVINA BELT, SOUTHEAST ALASKA
T56 The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
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U-PB AND HF ISOTOPIC ANALYSES OF DETRITAL ZIRCONS FROM THE TAKU TERRANE, SOUTHEAST ALASKA
T56 The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
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DETRITAL ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY OF THE YUKON-TANANA TERRANE, COAST MOUNTAINS, SOUTHEAST ALASKA
T56 The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D