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Activity

2024

• GEOLOGIC TIES ACROSS A RELOCATED TRACE OF THE LATE JURASSIC MOJAVE-SONORA MEGASHEAR
  T203 The Changing Cordilleran Margin: Permian through Eocene Tectonism, Magmatism, and General Geology from Western Mexico through Northern California and Eastward (Posters)
  Tuesday, 24 September 2024

  8:00 AM - 5:30 PM

  Hall D
• A REFINED U-Pb AND Sm-Nd FRAMEWORK FOR PALEOPROTEROZOIC ORTHOGNEISSES IN THE SAN GABRIEL MOUNTAINS AT THE RIFTED MARGIN OF LAURENTIA
  T21 North American Cordilleran Margin Tectonic Framework: Paleozoic and Precambrian
  Sunday, 22 September 2024

  8:00 AM - 12:00 PM

  304A

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2023

• DETRITAL ZIRCON AGES FROM UPPER CRETACEOUS–PALEOGENE FOREARC AND SUBDUCTION-ZONE STRATA OF SOUTHERN CALIFORNIA AND ENVIRONS COMPARED TO CORDILLERAN IGNEOUS BASEMENT AGES: IMPLICATIONS FOR LARAMIDE TECTONICS
  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

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2022

• SEDIMENT SOURCES RECORDED IN CRETACEOUS METACONGLOMERATES OF NORTHERN SONORA AND A POSSIBLE CONNECTION TO THE CORDILLERAN FORELAND
  31 Mesozoic–Cenozoic Tectonic History of Northwestern Mexico and Southwestern USA: A Tribute to César Jacques-Ayala for His Career and Contributions to Sonoran Geology
  Thursday, 17 March 2022

  8:00 AM - 12:00 PM

  CBC-A 106

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2020

• STRUCTURAL GEOLOGY OF THE PLACERITA FORMATION, WESTERN SAN GABRIEL MOUNTAINS, CALIFORNIA
  8 D5. Structural Geology (Posters)
  Tuesday, 12 May 2020

  9:00 AM - 6:00 PM

  Fountain Ballroom

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2014

• DISCHARGE AND OXYGEN-HYDROGEN ISOTOPIC CHARACTERISTICS OF FAULT ZONE-SOURCED SPRINGS IN EVEY AND PALMER CANYONS, EASTERN SAN GABRIEL MOUNTAINS, CALIFORNIA
  T220 Undergraduate Research Projects As a Way to Solve Water- Related Problems/Issues (Posters)
  Tuesday, 21 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• DISCHARGE AND GEOCHEMICAL CHARACTERISTICS OF EVEY CANYON AND ICEHOUSE CANYON SPRINGS, SAN GABRIEL MOUNTAINS, DURING EXTENDED DROUGHT
  T220 Undergraduate Research Projects As a Way to Solve Water- Related Problems/Issues (Posters)
  Tuesday, 21 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• STRUCTURAL CONSTRAINTS ON FAULTS THAT ACCOMMODATED LATE CENOZOIC EXTENSION AND TRANSROTATION OF THE RAND MOUNTAINS BLOCK, NORTHWESTERN MOJAVE DESERT, CALIFORNIA
  T120 The Structure of Faults from Top to Bottom: Implication for Fluid Flow, Ore Deposits, and Seismic Hazard (Posters)
  Monday, 20 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• A MODEL FOR LATE CENOZOIC EXTENSION AND TRANSROTATION OF THE RAND MOUNTAINS BLOCK, NORTHWESTERN MOJAVE DESERT, CALIFORNIA
  T64 The Structure of Faults from Top to Bottom: Implication for Fluid Flow, Ore Deposits, and Seismic Hazard II
  Sunday, 19 October 2014

  1:00 PM - 5:00 PM

  118

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2013

• HYDROGEOLOGY AND GEOCHEMISTRY OF BEDROCK VS. LANDSLIDE-SOURCED SPRINGS IN THE EASTERN SAN GABRIEL MOUNTAINS, CALIFORNIA
  T247 Sigma Gamma Epsilon Undergraduate Research (Posters)
  Tuesday, 29 October 2013

  9:00 AM - 6:30 PM

  Hall D
• GEOLOGIC MAP OF THE EASTERN RAND THRUST COMPLEX IN THE MOJAVE DESERT PRESENTING DETAILED FAULT REACTIVATION AND BRITTLE FAULT OVERPRINTING
  T146 Geologic Maps and Their Derivatives (Posters)
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• GEOLOGIC, STRUCTURAL, AND GEOCHEMICAL INVESTIGATION OF ROBUST SPRING DISCHARGE FROM A MAJOR LANDSLIDE IN THE EASTERN SAN GABRIEL MOUNTAINS, CALIFORNIA
  T134 Streams and Aquifers: Integrating the Physical and Chemical (Posters)
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• LATE CRETACEOUS THROUGH CENOZOIC CONTRACTIONAL IMBRICATION, EXTENSIONAL DETACHMENT AND STRIKE SLIP DISMEMBERMENT/ROTATION OF THE RAND THRUST COMPLEX, NORTHWESTERN MOJAVE DESERT, CALIFORNIA
  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 2013

  9:00 AM - 6:30 PM

  Hall D
• HOW DOES THE EASTERN CALIFORNIA SHEAR ZONE PROJECT INTO SONORA, MEXICO?
  13 Reconstructing the Pacific-North America Plate Boundary Through Late Cenozoic Time I
  Tuesday, 21 May 2013

  8:00 AM - 12:00 PM

  Salon A2

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2011

• CLAST ANALYSIS OF QUATERNARY GRAVELS ALONG THE EAST-CENTRAL SAN GABRIEL MOUNTAIN FRONT: IMPLICATIONS FOR EVOLUTION OF THE SIERRA MADRE-EVEY CANYON THRUST SYSTEM
  31 Undergraduate Research II (Posters)
  Friday, 20 May 2011

  8:00 AM - 1:00 PM

  Grand Ballroom
• LATE QUATERNARY EVOLUTION OF THE EAST-CENTRAL SAN GABRIEL MOUNTAINS FRONTAL FAULT SYSTEM RECORDED BY UNROOFING SEQUENCE
  13 Structural Geology and Tectonics
  Thursday, 19 May 2011

  8:00 AM - 12:00 PM

  Elm

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2010

• CONTRASTING PROTEROZOIC BASEMENT COMPLEXES NEAR THE TRUNCATED MARGIN OF LAURENTIA, NORTHWESTERN SONORA-ARIZONA BORDER REGION: IMPLICATIONS FOR RODINIA RECONSTRUCTION
  T169 Proterozoic Crustal Evolution of Southern Laurentia: Tectonic Settings, Petrology, Geochemistry, and Geochronology I
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 302
• TECTONIC AND STRUCTURAL SETTING OF GOLD MINERALIZATION IN THE SONORA-MOJAVE BELT: EXAMPLE FROM THE JUAREZ-TAJITOS AREA
  53 Structural Geology/Tectonics II
  Saturday, 29 May 2010

  1:30 PM - 4:05 PM

  Platinum 4
• IMPACTS OF THE FLOODS OF 1938, 1969 AND 2005 ON THE OLD MT.BALDY ROAD, SAN GABRIEL MOUNTAINS CALIFORNIA
  18 Undergraduate Research in Geoscience (Posters)
  Thursday, 27 May 2010

  1:30 PM - 5:00 PM

  Platinum 5-6
• STRUCTURAL ANALYSIS OF FOLDED PALEOPROTEROZOIC GNEISS NEAR WEST FORK- NORTH FORK SAN GABRIEL RIVER CONFLUENCE, CALIFORNIA
  18 Undergraduate Research in Geoscience (Posters)
  Thursday, 27 May 2010

  1:30 PM - 5:00 PM

  Platinum 5-6

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2009

• FAILURE ANALYSIS OF A ROCKSLIDE ON SUNSET RIDGE FIRE ACESS ROAD, SAN GABRIEL MOUNTAINS, CALIFORNIA
  T259 Undergraduate Investigations of Geologic Hazards on Dynamic Landscapes (Posters)
  Wednesday, 21 October 2009

  9:00 AM - 6:00 PM

  Hall A
• INTERNATIONAL GEOSCIENCES FIELD RESEARCH WITH UNDERGRADUATE STUDENTS: THREE MODELS FOR EXPERIENTIAL LEARNING PROJECTS INVESTIGATING ACTIVE TECTONICS OF THE NICOYA PENINSULA, COSTA RICA
  T236 Field Geology Education—Historical Perspectives and Modern Approaches II
  Wednesday, 21 October 2009

  8:00 AM - 12:00 PM

  D135/136
• THE LEON PROPERTY: MOLYBDENUM-COPPER-SILVER-GOLD MINERALIZATION IN DECAPITATED ROOT ZONE OF THE EL CRESTON MINERAL DEPOSIT, SONORA, MEXICO
  1 Economic Geology I: Copper and Gold Transport in Crustal Fluids: New Advances from Field, Experimental, and Theoretical Studies; Magmatic Sulfide Ores; Porphyry Cu-Mo Ores; S Isotopes
  Sunday, 18 October 2009

  8:00 AM - 12:00 PM

  D137/138

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2008

• IMPLICATIONS OF THE PELONA-OROCOPIA-RAND SCHISTS FOR EVOLUTION OF THE NACIMIENTO FAULT, CALIFORNIA
  7 Causes and Consequences of Laramide Tectonics in the Forearc, Arc, and Backarc of the Southwestern United States
  Wednesday, 19 March 2008

  1:30 PM - 5:40 PM

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2006

• HYPOTHETICAL LANDSLIDE ORIGIN FOR BROWN'S FLAT, SAN GABRIEL MOUNTAINS, CALIFORNIA: EVIDENCE FROM STRUCTURAL DATA
  6 GSA: GSA Undergraduate Research (Posters)
  Monday, 8 May 2006

  8:00 AM - 11:30 AM
• LATE CRETACEOUS-EOCENE DENUDATION OF THE PENINSULAR RANGES BATHOLITH OF SOUTHERN AND BAJA CALIFORNIA
  3 T3. Shallowing and Steepening Subduction Zones I
  Monday, 3 April 2006

  10:35 AM - 7:45 PM

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2005

• PROTEROZOIC BASEMENT IN THE PINACATE REGION OF NW SONORA, MEXICO: POSSIBLE CONNECTIONS TO NORTHEASTERN AUSTRALIA?
  16 Tectonics of the U.S. Cordillera, SWEAT Connection and Beyond I: A Session in Honor of Eldridge Moores
  Friday, 29 April 2005

  1:15 PM - 5:20 PM
• STRATIGRAPHY, STRUCTURE, AND U-PB GEOCHRONOLOGY OF PALEOPROTEROZOIC GNEISSES IN SIERRA HORNADAY AND CERRO EL AGUILA, NW SONORA, MEXICO: FINGERPRINTS AT THE TRUNCATED MARGIN OF LAURENTIA
  16 Tectonics of the U.S. Cordillera, SWEAT Connection and Beyond I: A Session in Honor of Eldridge Moores
  Friday, 29 April 2005

  1:15 PM - 5:20 PM

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2003

• GNEISSES OF THE NW SONORA-SW ARIZONA BORDER REGION: TWO DISTINCT PALEOPROTEROZOIC COMPLEXES AT THE SOUTHWEST EDGE OF LAURENTIA
  29 Proterozoic Basement in Sonora and Adjacent Areas: A Piece of SW Laurentia I
  Wednesday, 2 April 2003

  2:15 PM - 5:30 PM
• U-PB ZIRCON GEOCHRONOLOGY OF PALEOPROTEROZOIC BASEMENT IN NORTHWESTERN SONORA, MEXICO: EVIDENCE FOR AFFINITY TO SW US PROVINCES
  29 Proterozoic Basement in Sonora and Adjacent Areas: A Piece of SW Laurentia I
  Wednesday, 2 April 2003

  2:15 PM - 5:30 PM
• GEOLOGIC RECONNAISSANCE AND GEOCHRONOLOGY OF PROTO-GULF OF CALIFORNIA EXTENSION, WESTERN SONORA
  17 Stratigraphy, Sedimentation, and Volcanism in the Gulf of California–Salton Trough Region
  Wednesday, 2 April 2003

  8:20 AM - 12:05 PM

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2002

• EMPLACEMENT GEOMETRY, LOCALIZED EXTENSION, AND TECTONIC DISMEMBERMENT OF THE LATE OLIGOCENE TELEGRAPH PEAK PLUTON, SAN GABRIEL MOUNTAINS, CALIFORNIA
  27 Paleogeodesy: Unraveling Displacement Fields in Magmatic Arcs II: In Honor of Othmar Tobisch
  Tuesday, 14 May 2002

  1:30 PM - 5:30 PM

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2001

• MID MIOCENE RECONSTRUCTION OF THE EAST-CENTRAL SAN GABRIEL MOUNTAINS BASEMENT STRATIGRAPHY
  43 Geology and Tectonics of the Mojave Desert and Transverse Ranges: A Tribute to Perry Ehlig
  Wednesday, 11 April 2001

  8:05 AM - 11:35 AM
• COMPARISON OF TIMING OF LOW ANGLE FAULTING IN THE RAND MOUNTAINS AND SOUTHERN SIERRA NEVADA RELATIVE TO THE CLASSIC VINCENT THRUST OF THE EASTERN SAN GABRIEL MOUNTAINS
  43 Geology and Tectonics of the Mojave Desert and Transverse Ranges: A Tribute to Perry Ehlig
  Wednesday, 11 April 2001

  8:05 AM - 11:35 AM

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Date Unknown

• DETRITAL ZIRCON GEOCHRONOLOGY INDICATES THAT UPPER CRETACEOUS TO EOCENE SEDIMENTARY AND METASEDIMENTARY ROCKS OF SOUTHERN CALIFORNIA, SALINIA, AND THE SUR-OBISPO TERRANE ARE NOT FAR TRAVELED
  T219 Terrane Translation, Orogenesis, and Plate Interactions in the Late Mesozoic to Early Cenozoic North American Cordillera, and Implications for Paleogeographic Reconstructions (Posters)