Richard O. Lease
Alaska Science Center, Anchorage, AK
Activity
2024
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EVOLVING CRETACEOUS–CENOZOIC DETRITAL ZIRCON U-Pb PROVENANCE SIGNATURES AS A RECORD OF CORDILLERAN ASSEMBLY IN THE KANDIK RIVER REGION, EAST-CENTRAL ALASKA
T270 Structural Analysis, Digital Mapping Advances, Tectonics, and Tectonic-Climate Processes from California to Alaska and Elsewhere: A Celebration of Terry Pavlis’s Diverse Contributions and Career (Posters)Wednesday, 25 September 20248:00 AM - 5:30 PMHall D
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INTO THE FOREDEEP: PROVENANCE SHIFTS AND REGIONAL TRENDS DURING THE EARLY CRETACEOUS EVOLUTION OF THE ARCTIC ALASKA COLVILLE FORELAND BASIN
T270 Structural Analysis, Digital Mapping Advances, Tectonics, and Tectonic-Climate Processes from California to Alaska and Elsewhere: A Celebration of Terry Pavlis’s Diverse Contributions and Career (Posters)Wednesday, 25 September 20248:00 AM - 5:30 PMHall D
2023
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ARCTIC ALASKA DEEPWATER CARBON BURIAL AND ENVIRONMENTAL CHANGES DURING MIDDLE-CRETACEOUS OCEANIC ANOXIC EVENTS
T77 Integrated Evaluations of the Depositional Processes Driving Carbon Burial in Ancient Marine EnvironmentsMonday, 16 October 20238:00 AM - 12:00 PM321
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INSIGHTS INTO GLENDONITE FORMATION FROM THE OLIGOCENE SAGAVANIRKTOK FORMATION, NORTH SLOPE, ALASKA
T86 Advances and New Voices in Marine and Coastal GeoscienceMonday, 16 October 20238:00 AM - 12:00 PM325
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LINKING MDA ESTIMATES, PLUTON EMPLACEMENT AND DEFORMATION IN THE NORTH SLOPE SUBSURFACE, ALASKA, WITH LA-ICPMS AND CA-TIMS: IMPLICATIONS FOR DEVONIAN OROGENESIS IN THE BROOKS RANGE
T20 Maximum Depositional Ages (MDAs) from Detrital Mineral Geochronology: Recent Advances in Sampling, Experimental Designs, Interpretive Tacts, and Chronostratigraphic ApplicationsSunday, 15 October 20238:00 AM - 12:00 PM320
2022
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PULSED DEEPWATER CARBON BURIAL IN ARCTIC ALASKA DURING MIDDLE CRETACEOUS GREENHOUSE OCEANIC ANOXIC EVENTS (OAE1D, OAE2, AND HITCH WOOD)
T76 The Geological Evolution of Northern Alaska: A Session in Honor of Charles ?Gil? MullMonday, 10 October 20228:00 AM - 12:00 PMMile High Ballroom 3C
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STRATIGRAPHIC EVIDENCE FOR ENHANCED TERRESTRIAL PRECIPITATION, RUNOFF, AND EROSION DURING EOCENE THERMAL MAXIMA IN THE ARCTIC ALASKA PROVINCE, NORTHWESTERN NORTH AMERICA
T135 The Geological Evolution of Northern Alaska (Posters): A Session in Honor of Charles ?Gil? MullMonday, 10 October 20222:00 PM - 6:00 PMExhibit Hall F
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DETRITAL GEO- AND THERMOCHRONOLOGIC DATA FROM MODERN RIVER SEDIMENTS OF THE CENTRAL AND NORTHEASTERN BROOKS RANGE, ALASKA, USA
T135 The Geological Evolution of Northern Alaska (Posters): A Session in Honor of Charles ?Gil? MullMonday, 10 October 20222:00 PM - 6:00 PMExhibit Hall F
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GEOCHEMICAL COMPOSITION AND ORGANIC FACIES CHARACTERIZATION OF CRETACEOUS SOURCE ROCKS AT THE JAGO RIVER OUTCROP IN ANWR, ARCTIC ALASKA
T76 The Geological Evolution of Northern Alaska: A Session in Honor of Charles ?Gil? MullMonday, 10 October 20228:00 AM - 12:00 PMMile High Ballroom 3C
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PALEOZOIC FOLD-AND-THRUST BELTS IN ARCTIC ALASKA AND THE ADJACENT OFFSHORE REGION
T76 The Geological Evolution of Northern Alaska: A Session in Honor of Charles ?Gil? MullMonday, 10 October 20228:00 AM - 12:00 PMMile High Ballroom 3C
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PROGRESSIVE PALEOCENE-MIDDLE EOCENE EXHUMATION OF THE YUKON-TANANA UPLAND DURING INTRACONTINENTAL TINTINA FAULT STRIKE-SLIP AND ASSEMBLY OF THE CORDILLERA
T66 Cenozoic Tectonism, Magmatism, Sedimentation, and Landscape Evolution in the Intermountain West (Posters)Sunday, 9 October 20222:00 PM - 6:00 PMExhibit Hall F
2021
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EMERGENT THRESHOLD LANDSCAPE DYNAMICS IN THE NORTHERN ALASKA RANGE (USA)
T88 Advances in Geomorphology: Understanding How Interactions among Climatic, Tectonic, Fluvial, and Hillslope Processes Drive Topographic Change (Posters)Monday, 11 October 20219:00 AM - 1:00 PMExhibit Hall A
2020
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LARGE ZONES OF DAMAGE AND FLUID FLOW IN CONTINENTAL STRIKE-SLIP FAULTS – THE POST LATE CRETACEOUS HISTORY OF THE LAKE CLARK FAULT IN SOUTH-CENTRAL ALASKA
T238 Fluids in Faults—The Role of Fluid Activity, Fault-Rock Composition, and Alteration in the Earthquake CycleFriday, 30 October 202010:00 AM - 2:00 PMMeeting Rooms
2019
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STRATIGRAPHIC FRAMEWORK OF A POTENTIAL CENOMANIAN-TURONIAN BOUNDARY AND ASSOCIATED OCEANIC ANOXIC EVENT 2 AT JAGO RIVER, NORTH SLOPE, ALASKA
T282 Chemostratigraphy: Physical and Temporal Applications (Posters)Wednesday, 25 September 20199:00 AM - 6:30 PMHall AB, North Building
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EVOLUTION OF THE ARCTIC ALASKA-CHUKOTKA MICROPLATE FROM DETRITAL ZIRCON ANALYSIS OF CRETACEOUS SEDIMENTS OF THE NORTH SLOPE, ALASKA, AND JURA-CRETACEOUS PLUTONS AND SEDIMENTS OF CHUKOTKA, RUSSIA
7 Cordilleran Tectonics from the Basin and Range to Alaska and the Arctic: A Celebration of Elizabeth Miller’s Career (2018 GSA Structure and Tectonics Division Career Contribution Award) (Posters)Wednesday, 15 May 20199:00 AM - 6:00 PMExhibit Hall B
2018
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GEOMORPHIC CONSTRAINTS ON ACTIVE FOLDING ABOVE A HISTORICALLY PERSISTENT CLUSTER OF SHALLOW SMALL EARTHQUAKES IN CENTRAL ALASKA
T207 Quantifying Geomorphic Processes and Rates of Landscape Evolution IITuesday, 6 November 20181:30 PM - 5:30 PMRoom 136-137
2017
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EROSIONAL PULSE AND GLACIER-LANDSCAPE FEEDBACKS DURING PLIOCENE GLACIATION ONSET IN THE WESTERN ALASKA RANGE
T246 Challenges in Tectonics: Dynamic Interactions among Earth-Surface Processes, Landscape Evolution, and Tectonics IITuesday, 24 October 20171:30 PM - 5:30 PMTahoma 4
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THE TECTONIC EVOLUTION OF THE CENTRAL ANDEAN PLATEAU AND GEODYNAMIC IMPLICATIONS FOR THE GROWTH OF PLATEAUS
T214 Challenges in Tectonics: Dynamic Interactions among Earth-Surface Processes, Landscape Evolution, and Tectonics ITuesday, 24 October 20178:00 AM - 12:00 PMTahoma 4
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TRANSPRESSION AND TRANSTENSION ALONG THE LAKE CLARK FAULT IN SOUTH-CENTRAL ALASKA: NEW VIEWS ON ITS FORMATION, CHARACTERISTICS, DAMAGE, KINEMATICS, EXHUMATION, AND EVOLUTION
T288 Challenges in Tectonics: Fault Zone Behavior through Time, from Earth’s Surface to the Upper Mantle (Posters)Tuesday, 24 October 20179:00 AM - 6:30 PMHalls 4EF
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SOURCE TO SINK RECORD OF EROSION ALONG A GLACIATED CONVERGENT MARGIN
T214 Challenges in Tectonics: Dynamic Interactions among Earth-Surface Processes, Landscape Evolution, and Tectonics ITuesday, 24 October 20178:00 AM - 12:00 PMTahoma 4
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RAPID PROGRADATION AND 400 K.Y. PACING OF THE WORLD’S LARGEST FORELAND CLINOTHEM, CRETACEOUS ARCTIC ALASKA
T184 The Dynamics of Tectono-Sedimentary Systems During Basin Formation and Fill (Posters)Monday, 23 October 20179:00 AM - 6:30 PMHalls 4EF
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TRANSIENT BEDROCK INCISION OF THE FORTYMILE RIVER IN EASTERN ALASKA AND YUKON, CANADA: SLOW RESPONSE TO YUKON RIVER HEADWATER CAPTURE?
T160 Quantifying Geomorphic Processes and Rates of Landscape Evolution (Posters)Monday, 23 October 20179:00 AM - 6:30 PMHalls 4EF
2016
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INDEPENDENT JURASSIC TO LATE CRETACEOUS DEPOSITIONAL SYSTEMS DEFINED BY SANDSTONE PETROGRAPHY AND DETRITAL ZIRCONS CONSTRAIN CLOSURE OF THE KAHILTNA-KUSKOKWIM BASIN IN SOUTHERN AND SOUTHWESTERN ALASKA
T267 Plate Tectonics, Arc-Trench Systems, Cordilleran Tectonics, Sedimentary Basins, Sandstone Provenance, and Geoarchaeology (Posters): A Celebration of William R. Dickinson's CareerTuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
2015
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NEW 1:250,000 GEOLOGIC MAP OF THE WESTERN ALASKA RANGE: PORTIONS OF THE LIME HILLS, MCGRATH, TALKEETNA AND TYONEK QUADRANGLES
19 From Alaska and the Appalachians to Lithium Resources and Secular Trends in the Geologic Record: Honoring the Eclectic Geologic Career of Dwight Bradley (Posters)Wednesday, 13 May 20158:00 AM - 12:00 PMAtrium/Hallway
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FORMATION OF THE KAHILTNA BASIN, ALASKA, BY TIME-TRANSGRESSIVE EARLY TO LATE CRETACEOUS DEXTRAL-OBLIQUE JUXTAPOSITION OF TWO INDEPENDENT DEPOSITIONAL SYSTEMS
19 From Alaska and the Appalachians to Lithium Resources and Secular Trends in the Geologic Record: Honoring the Eclectic Geologic Career of Dwight Bradley (Posters)Wednesday, 13 May 20158:00 AM - 12:00 PMAtrium/Hallway
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EXHUMATION PATTERNS DURING CENOZOIC GROWTH AND GLACIATION OF THE ALASKA RANGE: INSIGHT FROM DETRITAL GEO- AND THERMO-CHRONOLOGY
14 Tectonic-Surface Process Interactions during Terrane Accretion and Mountain Building along the CordilleraTuesday, 12 May 20151:30 PM - 5:30 PMRoom 116
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REFINING THE CHARACTERISTICS, AGE, AND EXTENT OF THE PERMIAN KLONDIKE ASSEMBLAGE IN EASTERN ALASKA
10 Tectonics and Metallogeny of the Hinterland of the Yukon and Alaskan Cordillera—Recent Advances and Future DirectionsTuesday, 12 May 20158:00 AM - 12:00 PMLecture Hall
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COLVILLE BASIN RESPONSE TO ARCTIC TECTONICS AND CLIMATE: 3rd AND HIGHER ORDER APTIAN-ALBIAN DEPOSITIONAL SEQUENCES
1 Origins and Orogenies of Arctic Alaska: Honoring the Career of Alison Till, U.S. Geological Survey–AnchorageMonday, 11 May 20158:00 AM - 12:00 PMLecture Hall
2014
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DETRITAL ZIRCON CONSTRAINTS ON ARCTIC ALASKA FORELAND BASIN EVOLUTION: BROOKIAN CHRONOSTRATIGRAPHY, CLASTIC PROGRADATION, PROVENANCE, AND OROGENIC EXHUMATION
T326 Circum-Arctic Lithosphere-Basin Evolution IIWednesday, 22 October 20141:00 PM - 5:00 PM121
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CLIMATIC AND GEODYNAMIC INFLUENCES ON DIACHRONOUS OROGENIC WEDGE PROPAGATION IN THE CENTRAL ANDES
T122 The Geodynamics of Flat-Slab Subduction and Its Influence on Upper Plate Deformation, Magmatism, and Basin Evolution (Posters)Monday, 20 October 20149:00 AM - 6:30 PMExhibition Hall C
2013
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DETRITAL ZIRCON CONSTRAINTS ON SOURCES, AGE OF DEFORMATION AND LOCALIZATION OF MINERAL DEPOSITS OF KAHILTNA BASIN, SOUTH-CENTRAL ALASKA
T23 Geological and Geophysical Constraints on the Tectonic Evolution and Resource Potential of Alaska and the Northern North American CordilleraSunday, 27 October 20138:00 AM - 12:00 PMRoom 505
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PETROGRAPHIC AND DETRITAL ZIRCON DATA FROM THE KAHILTNA BASIN SUGGEST EARLY CRETACEOUS JUXTAPOSITION OF THE CONTINENTAL MARGIN AND THE PENINSULAR TERRANE IN THE WESTERN ALASKA RANGE
T23 Geological and Geophysical Constraints on the Tectonic Evolution and Resource Potential of Alaska and the Northern North American CordilleraSunday, 27 October 20138:00 AM - 12:00 PMRoom 505