Kevin Mahan
University of Colorado at Boulder, Boulder, CO
Activity
2023
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IMPACTS OF LARAMIDE CRUSTAL HYDRATION ON COLORADO PLATEAU ELEVATIONS: UPDATES FROM CRUSTAL XENOLITH STUDIES FROM THE NAVAJO VOLCANIC FIELD (COLORADO, UTAH, ARIZONA, NEW MEXICO) AND THE HENRY MOUNTAINS, UTAH, USA
T90 Deformation in Continental Interiors from the Rock Record to Modern Intraplate SeismicityMonday, 16 October 20238:00 AM - 12:05 PM326
2022
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CONFRONTING SHEAR BIAS: MAGMATIC FABRIC INFLUENCE ON CRUSTAL SEISMIC ANISOTROPY
T111 From Outcrops to the Base of the Crust: Integrated Geophysical and Geological Illumination of Earth’s Tectonic Fabrics to Refine Understanding of Crustal Evolution and Natural ResourcesMonday, 10 October 20221:30 PM - 5:30 PM504
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STRUCTURAL INHERITANCE IN THE LITHOSPHERE FROM SEISMIC IMAGING
T39 Evaluation of Proterozoic Tectonic Styles in North America and Their Influence on Phanerozoic Structures and MineralizationSunday, 9 October 20221:30 PM - 5:30 PM507
2021
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MAPPING THE DEFORMATION PATTERNS OF THE GREENVILLE 1X2 DEGREE QUADRANGLE IN THE SOUTHERN APPALACHIANS SURFACE IN COMPARISON TO SEISMIC ANISOTROPY TO PREDICT SUBSURFACE DIPPING FAULTS
11 D3. Southern Appalachian and Analogous Terranes IFriday, 2 April 20218:00 AM - 12:00 PMFMR, Inc. Room
2019
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AMPHIBOLE RHEOLOGY: INSIGHTS FROM NATURALLY DEFORMED DEEP CRUSTAL ROCKS AND HIGH TEMPERATURE DEFORMATION EXPERIMENTS
T142 Structural Geology in the 21st Century: Rheology of Naturally Deformed RocksMonday, 23 September 20191:30 PM - 5:30 PMRoom 229A, North Building
2017
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THE SNOWBIRD TECTONIC ZONE LIP: IMPLICATIONS FOR AN ABORTED RIFT ORIGIN
T238 Chemical Scene Investigations of Large Igneous Provinces IITuesday, 24 October 20171:30 PM - 5:30 PMSkagit 2
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DOCUMENTING THE NATURE AND TIMING OF FLUID-ROCK INTERACTION IN NEOPROTEROZOIC SILICICLASTIC ROCKS OF NORTHERN UTAH
87 D23. Sediments, Clastic (Posters)Sunday, 22 October 20179:00 AM - 5:30 PMHalls 4EF
2016
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PROTEROZOIC ASSEMBLY SIGNATURE AND ITS OVERPRINT IN LOWER CRUSTAL SEISMIC VELOCITY STRUCTURE ACROSS NORTH AMERICA
T230 Proterozoic Accretion of the North American Continent – United Plates of America Revisited IITuesday, 27 September 20161:30 PM - 5:30 PMMile High Ballroom 3B
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TWO TRANSECTS ACROSS THE SNOWBIRD TECTONIC ZONE, WESTERN CHURCHILL PROVINCE: EXPLORING THE CONTINUITY OF THE RAE-HEARNE BOUNDARY AND ITS ROLE DURING THE GROWTH OF LAURENTIA
T204 Proterozoic Accretion of the North American Continent – United Plates of America Revisited ITuesday, 27 September 20168:00 AM - 12:00 PMMile High Ballroom 3B
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FRICTIONAL MELT BELOW THE BRITTLE-DUCTILE TRANSITION: TWO EXPLANATIONS FROM A SHEAR ZONE IN NORTHERN SASKATCHEWAN
117 New Approaches and Results in Structural Geology and NeotectonicsMonday, 26 September 20161:30 PM - 5:30 PMRoom 203
2015
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INVESTIGATION INTO THE P/T CONDITIONS OF MULTIPLE FRICTIONAL MELT VEIN GENERATIONS HOSTED BY A DEEP-CRUSTAL SHEAR ZONE
T304 Metamorphic Petrology: New Approaches and Outcomes (Posters)Wednesday, 4 November 20159:00 AM - 6:30 PMExhibit Hall
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STRUCTURAL AND PETROLOGIC IMPLICATIONS OF MAGMATIC UNDERPLATING IN A CONTINENTAL ARC: OBSERVATIONS FROM THE ATHABASCA GRANULITE TERRANE
T195 A Lower Crustal Perspective on Magmatic Arc ProcessesTuesday, 3 November 20158:00 AM - 12:00 PMRoom 331/332
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LOCALIZED SHEAR ZONES VERSUS DISTRIBUTED TECTONIC FABRICS: AN EXAMPLE FROM GEOLOGIC AND SEISMIC OBSERVATIONS IN PROTEROZOIC COLORADO BASEMENT
T103 Rheological Behavior of Ductile Lithosphere during Strain LocalizationMonday, 2 November 20158:00 AM - 12:00 PMRoom 308
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PRESSURE-TEMPERATURE AND TEMPORAL CONSTRAINTS ON REGIONAL METAMORPHISM NEAR BIG THOMPSON CANYON, COLORADO, USA
T167 Metamorphic Petrology: New Approaches and OutcomesMonday, 2 November 20151:30 PM - 5:30 PMRoom 317
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MICROSTRUCTURAL AND PETROLOGICAL OBSERVATIONS OF MULTIPLE GENERATIONS OF DEEP CRUSTAL SEISMIC SLIP
19 Structural Geology, Tectonics, and Tectonophysics (Posters)Saturday, 23 May 20158:00 AM - 1:00 PMNorth/Central Ballroom
2014
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STRAIN LOCALIZATION IN DEEP CONTINENTAL CRUST: EXAMPLES FROM AN EXHUMED SECTION IN THE WESTERN CANADIAN SHIELD
T91 Deformation Localization throughout the CrustMonday, 20 October 20148:00 AM - 12:00 PM118
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NEOARCHEAN ARC MAGMATISM AND SUBSEQUENT COLLISIONAL DEFORMATION ALONG THE EASTERN RAE DOMAIN, WESTERN CHURCHILL PROVINCE, CANADA
T110 Chikyu Meets Lithoprobe: Can We Connect Modern Arcs and Ancient Continental Crust?Monday, 20 October 20148:00 AM - 12:00 PM122
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ZIRCON TEXTURES AND U-PB EVIDENCE FOR SYN-OROGENIC CRUSTAL MELTING IN THE PALEOPROTEROZOIC BIG SKY OROGEN, SW MONTANA
T83 Mechanisms, Rates, and Timescales of Texture Formation in Metamorphic Rocks IISunday, 19 October 20141:00 PM - 5:00 PM122
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INTEGRATING STRUCTURAL ANALYSIS, MONAZITE GEOCHRONOLOGY, AND FORWARD PETROLOGIC MODELING WITHIN THE ATHABASCA GRANULITE TERRANE (SNOWBIRD TECTONIC ZONE): IMPLICATIONS FOR UNDERSTANDING THE LONGEVITY OF P-T LOOPS WITHIN A LOWER CRUSTAL HOT ZONE
49 Implementing Recent Innovations in Thermobarometry to Constrain Igneous and Metamorphic EvolutionMonday, 24 March 20143:45 PM - 5:35 PMCommonwealth Salons 1-2
2013
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MICROSTRUCTURE OF DEEP CRUSTAL PSEUDOTACHYLYTE-BEARING MYLONITES
T216 The Rock Record of Fault Rheology and Slip Dynamics ITuesday, 29 October 20138:00 AM - 12:00 PMRoom 506
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NEW EVIDENCE FOR AN EXHUMED CRUSTAL SECTION FROM THE PALEOPROTEROZOIC BIG SKY OROGENY, N. MADISON RANGE, SW MONTANA
T124 Proterozoic Meets Archean: Amalgamation of LaurentiaMonday, 28 October 20138:00 AM - 12:00 PMRoom 304
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THE PALEOPROTEROZOIC EVOLUTION OF THE ATHABASCA GRANULITE TERRANE (SNOWBIRD TECTONIC ZONE), WESTERN CHURCHILL PROVINCE, CANADA: DEFORMATION DUE TO FAR-FIELD OROGENIC PROCESSES
T124 Proterozoic Meets Archean: Amalgamation of LaurentiaMonday, 28 October 20138:00 AM - 12:00 PMRoom 304
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ELEVATING THE WEST: IS THE ANSWER IN PLAINS SITES?
T14 From Mantle to Mountains: Cenozoic Evolution of the Interior WestSunday, 27 October 20138:00 AM - 12:00 PMRoom 304
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NEW PETROLOGIC AND GEOCHRONOLOGICAL CONSTRAINTS ON PALEOPROTEROZOIC TECTONOMETAMORPHISM ALONG THE NW MARGIN OF THE WYOMING CRATON, N. MADISON RANGE, SW MONTANA
18 Basement Structure in the Colorado Rockies: Assembly and ReactivationThursday, 16 May 20131:00 PM - 4:00 PMSouth Conference Room
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LOCALIZATION, EXTREME GRAIN SIZE REDUCTION, AND SMALL EQUILIBRIUM VOLUMES IN A HOT LOWER CRUSTAL ULTRAMYLONITE, CORA LAKE SHEAR ZONE, NORTHERN SASKATCHEWAN
63 Rheological Information from Structures and Microstructures (Posters)Tuesday, 19 March 20131:30 PM - 5:00 PMGrand Ballroom South
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THE SPANISH CREEK MYLONITE: A NEWLY RECOGNIZED ZONE OF HIGH STRAIN IN THE NORTHERN MADISON RANGE, SOUTHWESTERN MONTANA
63 Rheological Information from Structures and Microstructures (Posters)Tuesday, 19 March 20131:30 PM - 5:00 PMGrand Ballroom South
2012
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KEYNOTE SPEAKER: DEEP CRUSTAL STRUCTURE, PROCESSES, AND PROPERTIES FROM XENOLITHS AND SEISMIC OBSERVATIONS, MONTANA AND WYOMING, USA
T221 Getting to the Root of It—Metamorphism, Tectonics, and Crustal EvolutionWednesday, 7 November 20128:00 AM - 12:00 PM208B
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INTEGRATING PETROLOGY, STRUCTURE, AND GEOCHRONOLOGY TO EVALUATE A POSSIBLE CRUSTAL CROSS-SECTION ON THE NW MARGIN OF THE WYOMING PROVINCE, SW MONTANA
T249 Getting to the Root of It—Metamorphism, Tectonics, and Crustal Evolution (Posters)Wednesday, 7 November 20129:00 AM - 6:00 PMHall B
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DECIPHERING THE AGE AND SIGNIFICANCE OF LOWER CRUSTAL HIGH STRAIN ZONES: A CASE STUDY FROM THE CORA LAKE SHEAR ZONE, ATHABASCA GRANULITE TERRANE, SASKATCHEWAN
T133 Deformation Processes in Lithospheric High-Strain Zones IIMonday, 5 November 20121:30 PM - 5:30 PM208A
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INTERPRETING THE TECTONIC HISTORY OF CRUSTAL-SCALE HIGH STRAIN ZONES: INSIGHTS FROM THE CORA LAKE SHEAR ZONE, WESTERN CHURCHILL PROVINCE
46 High-Strain Zone Kinematics, From the Microscopic to the Macroscopic ScaleTuesday, 20 March 20128:00 AM - 12:00 PMBallroom D
2011
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SEISMIC ANISOTROPY PATTERNS IN DEEP CONTINENTAL CRUST: EXAMPLES FROM AN EXHUMED HIGH PRESSURE TERRANE IN THE WESTERN CANADIAN SHIELD
T74 The Archean of North America: The Core of a ContinentMonday, 10 October 20118:00 AM - 12:00 PMRoom 200H-J
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LINKING METAMORPHISM AND DEFORMATION WITH IN-SITU MONAZITE GEOCHRONOLOGY: INTERPRETATION OF MULTISTAGE TECTONIC HISTORIES
T130 Monazite: The Ultimate Geologic RecordMonday, 10 October 20111:30 PM - 5:30 PMRoom 102BC
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THE CORA LAKE SHEAR ZONE, ATHABASCA GRANULITE TERRAIN: AN EXHUMED DEEP CRUSTAL TERRANE BOUNDARY
62 Tectonics (Posters)Tuesday, 22 March 20118:00 AM - 12:00 PMGrand Ballroom
2010
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XENOLITHS FROM HIGH VELOCITY LOWER CRUST, MONTANA: CONSTRAINTS ON TIMING AND MECHANISMS OF HIGH-VELOCITY LOWER CRUST FORMATION
T169 Proterozoic Crustal Evolution of Southern Laurentia: Tectonic Settings, Petrology, Geochemistry, and Geochronology ITuesday, 2 November 20108:00 AM - 12:00 PMRoom 302
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IS THE CHEYENNE BELT THE MAZATZAL DEFORMATION FRONT?: EVIDENCE FOR REACTIVATION OF THE CHEYENNE BELT AT ~1.65–1.63 GA
24 Structural and Tectonic Evolution of the Proterozoic Trans-Hudson–Archean Wyoming Province BoundaryFriday, 23 April 20108:00 AM - 10:00 AMAlpine Room
2009
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DEEP CRUSTAL XENOLITHS FROM THE GREAT FALLS TECTONIC ZONE, MONTANA: INVESTIGATING THE TIMING AND MECHANISMS OF HIGH-VELOCITY LOWER CRUST FORMATION
T181 Linking Shallow to Deep Crustal Processes in Arc and Collisional Orogens (Posters)Tuesday, 20 October 20099:00 AM - 6:00 PMHall A
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INFLUENCE OF METAMORPHIC AND DEFORMATION PROCESSES ON THE EVOLUTION OF CRUSTAL SEISMIC ANISOTROPY
124 Crustal Tectonic Deformation as Revealed by Seismic AnisotropyMonday, 19 October 20091:30 PM - 5:30 PMPortland Ballroom 254
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OROGENIC FLOAT AND THE MONAZITE CONNECTION
T132 Advances in Understanding Metamorphic Processes: Nanoscale to Nappes IIMonday, 19 October 20091:30 PM - 5:30 PME143/144
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SHEAR ZONES IN CONTINENTAL LOWER CRUST AS MANIFESTATIONS OF STRAIN LOCALIZATION AND STRAIN HARDENING: GREASE RIVER SHEAR ZONE, WESTERN CANADIAN SHIELD
38 Rheology, Kinematics, and Strain Localization in Faults and Shear Zones II: NEtectonicsMonday, 23 March 20091:00 PM - 5:00 PM
2008
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Hydration and Deformation in the Lower Crust of Southern Wyoming: Evidence from Leucite Hills Crustal Xenoliths and Implications for the Evolution of Seismic Structure in the Wyoming Craton
T233 EarthScope: Bringing Geology and Geophysics Together to Study the 4-D Evolution of the LithosphereTuesday, 7 October 20088:00 AM - 12:00 PM