R.J. Weldon
University of Oregon, Eugene, OR
Activity
2021
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CENOZOIC EVOLUTION OF THE CASCADIA FOREARC: CONSTRAINTS FROM PALEOMAGNETISM AND ANISOTROPY OF MAGNETIC SUSCEPTIBILITY OF SEDIMENTARY ROCKS EXPOSED NEAR CAPE ARAGO, CENTRAL OREGON COAST
T162 Initiation and Evolution of Arc-Forearc Systems in Cascadia and Beyond (Posters)Tuesday, 12 October 20219:00 AM - 1:00 PMExhibit Hall A
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INITIATION AND CENOZOIC EVOLUTION OF THE CASCADIA FOREARC BASIN: MULTIDISCIPLINARY EVIDENCE FROM THE COOS BAY AREA CENOZOIC STRATIGRAPHY, SOUTHWESTERN OREGON
T168 Initiation and Evolution of Arc-Forearc Systems in Cascadia and BeyondTuesday, 12 October 20211:30 PM - 5:30 PMPortland Ballroom 257 (Hybrid Room)
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BIOSTRATIGRAPHICALLY CALIBRATED PALEOMAGNETOSTRATIGRAPHY IN THE TIEN SHAN OF KYRGYZSTAN
32 D45. Recent Advances in Sediments and StratigraphySunday, 10 October 20211:30 PM - 5:30 PMD135
2020
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PALEOSEISMIC INVESTIGATION OF AN ACTIVE FAULT NEAR BUTTE, MT
4 Geohazards of the Rocky Mountain West and Beyond (Posters)Monday, 4 May 20208:30 AM - 4:30 PMBallroom A
2019
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THE APPLICATION OF COLLECTED STUDENT DATA FOR DETERMINING FUTURE FOSSIL FREQUENCY AND ITS IMPLICATIONS FOR FUTURE FIELD SURVEYS
271 D17. Paleontology: Biogeography/Biostratigraphy (Posters)Wednesday, 25 September 20199:00 AM - 6:30 PMHall AB, North Building
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IMPORTANCE OF FIELD SCHOOLS AND INTERNATIONAL COLLABORATION IN ACTIVE FAULT STUDIES
28 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies II: In Honor of Ray J. Weldon II, for His Career and Contributions to the FieldThursday, 16 May 20191:30 PM - 3:30 PMRoom B117-119
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EVIDENCE OF LARGE PALEOEARTHQUAKES GENERATED BY THE MAE CHAN FAULT, CHIANG RAI, NORTHERN THAILAND
20 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies: In Honor of Ray J. Weldon II, for His Career and Contributions to the Field (Posters)Thursday, 16 May 20199:00 AM - 6:00 PMExhibit Hall B
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INTEGRATING TECTONIC GEOMORPHOLOGY WITH SEISMIC HAZARDS ON THE MAE CHAN FAULT, NORTHERN THAILAND: DECIPHERING LAND SURFACE CHANGE FROM TECTONICS AND HUMAN ACTIVITY
20 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies: In Honor of Ray J. Weldon II, for His Career and Contributions to the Field (Posters)Thursday, 16 May 20199:00 AM - 6:00 PMExhibit Hall B
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NEW INSIGHTS IN TO PALEOSEISMIC AGE MODELS ON THE NORTHERN SAN ANDREAS FAULT: AND UPDATED EARTHQUAKE CORRELATIONS
20 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies: In Honor of Ray J. Weldon II, for His Career and Contributions to the Field (Posters)Thursday, 16 May 20199:00 AM - 6:00 PMExhibit Hall B
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VERTICAL DEFORMATION FIELD FOR THE CASCADIA REGION DERIVED FROM INSAR, LEVELING AND TIDAL RECORDS
20 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies: In Honor of Ray J. Weldon II, for His Career and Contributions to the Field (Posters)Thursday, 16 May 20199:00 AM - 6:00 PMExhibit Hall B
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CASCADIA ETS IN TIDAL RECORDS 1980 TO PRESENT
20 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies: In Honor of Ray J. Weldon II, for His Career and Contributions to the Field (Posters)Thursday, 16 May 20199:00 AM - 6:00 PMExhibit Hall B
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ACTIVE FAULTS DISCOVERED WITH RECENT LIDAR IMAGERY REQUIRE REASSESSMENT OF SEISMIC HAZARDS IN EAST-CENTRAL OREGON
16 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies I: In Honor of Ray J. Weldon II, for His Career and Contributions to the FieldThursday, 16 May 20198:00 AM - 12:00 PMRoom B117-119
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PALEOSEISMIC DATA AND REGIONAL HAZARD MODELING IN CALIFORNIA
16 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies I: In Honor of Ray J. Weldon II, for His Career and Contributions to the FieldThursday, 16 May 20198:00 AM - 12:00 PMRoom B117-119
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UNIFORM LATE QUATERNARY SLIP RATE ALONG THE JINGHONG FAULT, SE OF THE EASTERN HIMALAYAN SYNTAXIS
28 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies II: In Honor of Ray J. Weldon II, for His Career and Contributions to the FieldThursday, 16 May 20191:30 PM - 3:30 PMRoom B117-119
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ACTIVE FAULTING IN THE TIEN SHAN, A CONSISTENT STORY OVER 12 MILLION YEARS
28 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies II: In Honor of Ray J. Weldon II, for His Career and Contributions to the FieldThursday, 16 May 20191:30 PM - 3:30 PMRoom B117-119
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THE ROCKY LEDGE FAULT, NE CALIFORNIA: DEVELOPMENT AND MORPHOLOGY OF A QUATERNARY OBLIQUE NORMAL FAULT IN BASALT
20 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies: In Honor of Ray J. Weldon II, for His Career and Contributions to the Field (Posters)Thursday, 16 May 20199:00 AM - 6:00 PMExhibit Hall B
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PALEOSEISMIC RECURRENCE ON THE GEOMETRICALLY SIMPLE SECTION OF THE ALTYN TAGH FAULT, NORTHERN TIBET
28 Advances in Seismic Hazard Assessment through Paleoseismic and Tectonic Geomorphic Fault Studies II: In Honor of Ray J. Weldon II, for His Career and Contributions to the FieldThursday, 16 May 20191:30 PM - 3:30 PMRoom B117-119
2018
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CONSTRAINING ECOSYSTEM CHANGE IN THE TIEN SHAN OF KYRGYZSTAN
T164 Evolution of Terrestrial Ecosystems: Community Assembly through Time ITuesday, 6 November 20188:00 AM - 12:00 PMRoom 143-144
2017
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COMBINING MAPPING AND DIGITAL ELEVATION DATA TO CHARACTERIZE STRUCTURE IN THE UPPER CROOKED RIVER BASIN, OREGON
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 20179:00 AM - 6:30 PMHalls 4EF
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WRIGHTWOOD REVISITED: WHAT WE CAN AND CANNOT SAY ABOUT HOW FAULTS WORK
T147 Challenges in Tectonics: Fault Zone Behavior through Time, from Earth’s Surface to the Upper Mantle IIMonday, 23 October 20171:30 PM - 5:30 PMTahoma 2
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GEOCHRONOLOGICAL EVALUATION OF NEOGENE SYNTECTONIC SEDIMENTS FROM THE KOCHKOR BASIN, KYRGYZSTAN
T16 Advancing Seismic and Sequence Stratigraphy: Insights from Testing the FundamentalsSunday, 22 October 20178:00 AM - 12:00 PMRoom 307/308
2016
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THE INFLUENCE OF PLUVIAL LAKE CYCLES ON EARTHQUAKE RECURRENCE IN THE NORTHWESTERN BASIN AND RANGE EXTENSIONAL PROVINCE
T346 Large-Scale Continental Extensional Tectonics (Posters)Wednesday, 28 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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MAPPING AND A NEW DATE IN BASALTS IN THE SOUTH FORK OF THE CROOKED RIVER REGION OF OREGON ILLUMINATES THE REGIONAL RELATIONSHIPS BETWEEN THE MASCALL FORMATION AND DIFFERENT PHASES OF THE COLUMBIA RIVER BASALTS
347 Tectonics/Tectonophysics (Posters)Wednesday, 28 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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ONSET OF PLEISTOCENE CLIMATE GENERATED A PULSE OF COARSE SEDIMENT, PRESERVED AS THE SHARPYLDAK FORMATION IN THE TIEN SHAN RANGE OF KYRGYZSTAN
347 Tectonics/Tectonophysics (Posters)Wednesday, 28 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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KINEMATICS OF FAULTS AND FOLDS IN THE JUMGAL BASIN, KYRGYZ TIEN SHAN
T170 Folds and Folding: Form, Process, and Consequences (Posters)Monday, 26 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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LATEST PLEISTOCENE SLIP RATES OF THE SAN BERNARDINO STRAND OF THE SAN ANDREAS FAULT AT BADGER AND PITMAN CANYONS, SOUTHERN CALIFORNIA
14 Unraveling Structural Complexity along the San Andreas Fault Zone, Southern California: Using Geochronology in Conjunction with Geologic and Geomorphic MappingTuesday, 5 April 20168:30 AM - 12:30 PMMeeting Room 203 C
2015
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THREE HISTORIC GROUND RUPTURING EARTHQUAKES IN THE SANTA CRUZ MOUNTAINS, SAN ANDREAS FAULT: REFINING AGE ESTIMATES WITH 14C WIGGLE-MATCHING AND EARLY HISTORIC REPORTS
T321 Estimating the Timing and Characteristics of Continental Earthquakes from Geologic DataWednesday, 4 November 20151:30 PM - 3:30 PMRoom 336
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THE CROOKED RIVER PROJECT: FEDERAL-UNIVERSITY COLLABORATION IN PURSUIT OF AN INTEGRATED UNDERSTANDING OF PALEOECOLOGY, TECTONIC HISTORY, AND CRITICAL PALEONTOLOGICAL RESOURCES
T188 Specimen-Based Research and the Reality of Paleontological Resource, Specimen and Data Management: Strengthening Partnerships among Federal Land Managers, Repositories, and ResearchersTuesday, 3 November 20158:00 AM - 12:00 PMRoom 318
2014
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COMPARISON OF TRENCH-BASED AND LIDAR-BASED RUPTURE MODELS FOR PAST EARTHQUAKES ALONG THE 1857 RUPTURE OF THE SOUTHERN SAN ANDREAS FAULT
T272 Landscape Records of Earthquake DeformationWednesday, 22 October 20148:00 AM - 12:00 PM118
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ACTIVE INTRACONTINENTAL BASEMENT UPLIFT IN THE KYRGYZ TIEN SHAN
T327 Contrasting Styles of Phanerozoic Intracontinental Tectonics: North America versus AsiaWednesday, 22 October 20141:00 PM - 5:00 PM119/120
2013
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FAULT KINEMATICS FROM LIDAR ANALYSIS OF THE ROCKY LEDGE FAULT, SHASTA COUNTY, CALIFORNIA
T228 Quantifying Mountain Evolution from the Lithosphere to the Landscape (Posters)Tuesday, 29 October 20139:00 AM - 6:30 PMHall D
2010
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TRIGGERED SLIP IN SOUTHERN CALIFORNIA AS A RESULT OF THE APRIL 5, 2010 EL MAYOR-CUCAPAH EARTHQUAKE
2 El Mayor-Borrego Earthquake IISaturday, 29 May 20101:30 PM - 3:50 PMPlatinum 8-9
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LATEST PLEISTOCENE SLIP RATES ALONG THE SAN BERNARDINO STRAND OF THE SAN ANDREAS FAULT
21 Tectonic Evolution of the Southern Big-Bend Region, San Andreas FaultFriday, 28 May 20108:00 AM - 12:00 PMPlatinum 1
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STABLE ISOTOPE ECOLOGY OF HOLOCENE CARBONATES FROM THE FRAZIER MOUNTAIN PALEOSEISMIC SITE, SOUTHERN CALIFORNIA
66 Paleoclimatology (Posters)Tuesday, 16 March 20108:00 AM - 12:05 PMInternational ABCDF
2009
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UPLIFT ASSOCIATED WITH SLOW SLIP EVENTS ON THE CASCADIA SUBDUCTION ZONE RESOLVED IN TIDAL RECORDS
T273 Living on the Edge: Deformation along the Cascadia MarginWednesday, 21 October 20091:30 PM - 5:30 PMB110/111/112
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AN EARTHQUAKE CLUSTER FOLLOWED THE DRYING OF PLEISTOCENE LAKE CHEWAUCAN, CENTRAL OREGON BASIN AND RANGE
173 Structural Geology: Advances in Understanding Deformational Processes Ancient and Modern (Posters)Tuesday, 20 October 20099:00 AM - 6:00 PMHall A
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PROGRESSIVELY DEFORMED GEOMORPHIC SURFACES CONSTRAIN THE BALANCE BETWEEN THRUST WEDGE THICKENING AND FORELAND PROPAGATION
T62 Steady and Unsteady Deformation of Folds, Faults, and Orogens: Dynamics, Kinematics, and Insights to Coupled ProcessesSunday, 18 October 20091:30 PM - 5:30 PMA107/108/109
2007
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BASEMENT-INVOLVED DEFORMATION ACROSS AN ACTIVE INTRACONTINENTAL OROGEN: THE KYRGYZ TIEN SHAN, CENTRAL ASIA
T18 Regional Tectonics of Basement-Cored Foreland Shortening: Integrating Geological and Geophysical Insights from Laramide and Analogous OrogensSunday, 28 October 20078:00 AM - 12:00 PM
2005
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CONSTRAINING FAULT GEOMETRY AND KINEMATICS WITH FLUVIAL TERRACES: SOUTHEASTERN ISSYK-KUL BASIN, KYRGYZ TIEN SHAN
T214 Recognition and Characterization of Neogene FaultsWednesday, 19 October 20058:00 AM - 12:00 PM
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PROGRESS IN CHARACTERIZING ACTIVE FAULTS OF THE NORTHERN FLANK OF THE ALASKA RANGE
T31 Mesozoic and Cenozoic Crustal Evolution of Alaska and Western Canada (Posters)Sunday, 16 October 20058:00 AM - 12:00 PM