Victor Guevara
Amherst College, Amherst, MA
Activity
2024
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FLUIDS FROM THE SLAB: THE HISTORY OF METAMORPHISM AND FLUID FLOW IN SUBDUCTED METABASALTS OF THE CATALINA SCHIST RECORDED BY EPIDOTE MINERALS
T242 Fluids and Deformation during Subduction from the Trench to the SubarcWednesday, 25 September 20248:00 AM - 12:00 PM304B
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FLUID-MEDIATED DEFORMATION LEADS TO WEAKENING, STRENGTHENING AND BLOCK-IN-MATRIX STRUCTURES DURING PROGRADE SUBDUCTION AND MELANGE FORMATION
225 D22. Recent Advances in Structural Geology & TectonicsWednesday, 25 September 20248:00 AM - 12:00 PM212B
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MONAZITE AS A MONITOR OF SUPRASOLIDUS CORDIERITE GROWTH AND BREAKDOWN: AN EXAMPLE FROM THE NANGA PARBAT MASSIF
T139 State-of-the-Art and Future Directions in Petrology and Petrochronology II: A Session in Honor of Chris Yakymchuk, University of Waterloo, GSA MGPV Early Geological Career Awardee for 2024Monday, 23 September 20241:30 PM - 5:30 PM206B
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PRESSURE-TEMPERATURE-TIME CONSTRAINTS ON THE METAMORPHISM OF MAFIC GRANULITES AND META-IRONSTONES OF THE PIKWITONEI GRANULITE DOMAIN, MANITOBA
T139 State-of-the-Art and Future Directions in Petrology and Petrochronology II: A Session in Honor of Chris Yakymchuk, University of Waterloo, GSA MGPV Early Geological Career Awardee for 2024Monday, 23 September 20241:30 PM - 5:30 PM206B
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CENOZOIC STRUCTURAL FRAMEWORK AND CRUSTAL SHORTENING OF THE TETHYAN HIMALAYA, HIMACHAL PRADESH, NORTHWESTERN INDIA
T117 Innovative Ideas in Tectonics of Earth and Other Planetary Bodies: a Session in Memory of An Yin (Posters)Monday, 23 September 20248:00 AM - 5:30 PMHall D
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PRELIMINARY 1:200,000 SCALE GEOLOGIC MAP OF THE BHABA PASS-PIN VALLEY REGION, HIMACHAL HIMALAYA, NW INDIA
T118 Best Student Geologic Map Competition (Posters)Monday, 23 September 20248:00 AM - 5:30 PMHall D
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WAS THE BASAL TETHYAN HIMALAYA DEEPLY BURIED? INSIGHTS FROM THE HIMACHAL HIMALAYA, NW INDIA, IN INVESTIGATING NON-LITHOSTATIC PRESSURE VERSUS PRE-HIMALAYAN METAMORPHISM
T70 Innovative Ideas in Tectonics of Earth and Other Planetary Bodies II: a Session in Memory of An YinSunday, 22 September 20241:30 PM - 5:30 PM304C
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PRELIMINARY GEOLOGIC MAP OF THE ISLESBORO 7.5' QUADRANGLE WITH IMPLICATIONS FOR THE EVOLUTION OF THE ISLESBORO BLOCK, COASTAL MAINE
24 Mapping in the Geosciences: Processes and Products (Posters)Monday, 18 March 20249:00 AM - 1:00 PMArmory Ballroom
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MAGNETITE-APATITE MINERALIZATION IN THE CORE OF THE GRENVILLE OROGEN, NEW JERSEY HIGHLANDS, USA: A PETROCHRONOLOGIC APPROACH
30 Deciphering a Cryptic Geologic Record: New Insights from Field and Lab Investigations of the Appalachians in the United States and Canada (Posters)Monday, 18 March 20241:30 PM - 5:30 PMArmory Ballroom
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RECONSTRUCTING THERMOBAROMETRIC GRADIENTS IN THE NORTHWESTERN TETHYAN HIMALAYA: TESTING THE LITHOSTATIC PRESSURE PARADIGM
5 D1. General Geology (Posters)Sunday, 17 March 20249:00 AM - 1:00 PMArmory Ballroom
2023
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ALONG-STRIKE THERMOBAROMETRIC DISCREPANCY IN THE NORTHWESTERN TETHYAN HIMALAYA
T248 Convergent Margin Systems (Posters)Wednesday, 18 October 20238:00 AM - 5:30 PMHall B
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RECONSTRUCTING THE ELUSIVE TETHYAN HIMALAYA THRUST BELT BY EXAMINING THE ALONG-STRIKE THERMAL STRUCTURE IN THE HIMACHAL HIMALAYA, NW INDIA
T248 Convergent Margin Systems (Posters)Wednesday, 18 October 20238:00 AM - 5:30 PMHall B
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PROGRADE METAMORPHIC HISTORY OF THE NANGA PARBAT MASSIF: A RECORD OF PLIO-PLEISTOCENE GEODYNAMICS, PALEOGENE COLLISION, OR BOTH?
T174 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution (Posters)Tuesday, 17 October 20238:00 AM - 5:30 PMHall B
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MONAZITE PETROCHRONOLOGY OF MAGNETITE-APATITE ORE FORMING PROCESSES IN THE NEW JERSEY HIGHLANDS
T174 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution (Posters)Tuesday, 17 October 20238:00 AM - 5:30 PMHall B
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THE CONTROLS AND STYLE OF UNDERPLATING ALONG THE SUBDUCTION PLATE INTERFACE
T59 Subduction Zone Processes in the Evolution of Ophiolites, Continental Crust, and Orogenic Belts IISunday, 15 October 20231:30 PM - 5:30 PM327
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FORMING A SLOW SLIPPING SUBDUCTION INTERFACE: P-T-T-X HISTORY OF METASOMATIC ROCKS
37 Tectonic Processes along Subduction Zone MarginsFriday, 19 May 20231:30 PM - 4:30 PMWhitney Peak Ballroom 1
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IRON OXIDE-APATITE GENESIS IN THE NEW JERSEY HIGHLANDS: A GEOCHRONOLOGICAL AND PETROLOGICAL APPROACH
46 D12. Geochronology, Sediments, and Stratigraphy (Posters)Sunday, 19 March 20238:00 AM - 12:00 PMGrand Ballroom A–D
2022
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FLUID RELEASE AND SILICA METASOMATISM NEAR THE PLATE INTERFACE BENEATH GUERRERO, MEXICO: PREDICTING TALC PRODUCTION AT THE CONDITIONS OF EPISODIC TREMOR AND SLOW SLIP
T218 The Thermal Structure of Subduction Zones: Constraints, Evolution, and ConsequencesWednesday, 12 October 20228:00 AM - 12:00 PM504
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HOW TO BUILD THE MID-CRUSTAL STRENGTH BEAM: THE ROLE OF MELT EMPLACEMENT IN THE UPPER GRANITE GORGE, GRAND CANYON
250 D36. Recent Advances in Tectonics and Structural GeologyWednesday, 12 October 20221:30 PM - 5:30 PM504
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GENESIS OF IRON-OXIDE-APATITE DEPOSITS IN A COLLISIONAL OROGEN: A PETROLOGIC AND GEOCHRONOLOGIC STUDY OF MAGNETITE ORES IN THE NEW JERSEY HIGHLANDS
265 D3. Recent Advances in Economic Geology (Posters)Wednesday, 12 October 20222:00 PM - 6:00 PMExhibit Hall F
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THE ROLE OF METASOMATISM IN EPISODIC TREMOR AND SLOW SLIP: STRESS AND STRAIN RATE VARIATIONS IN A CHEMICALLY REACTING SHEAR ZONE
T186 Future Directions in Tectonics and Lithospheric Processes: A Session for Early Career ResearchersTuesday, 11 October 20221:30 PM - 5:30 PM407
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PETRONET: A PETROLOGY AND HIGH-TEMPERATURE GEOCHEMISTRY COMMUNITY BUILT WITHIN AN ANTIRACIST AND INCLUSIVE FRAMEWORK
T206 Institutional and Grassroots Efforts Promoting Diversity, Equity, and Inclusion in the Scientific Workplace (Posters)Tuesday, 11 October 20222:00 PM - 6:00 PMExhibit Hall F
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EXHUMATION RATE AND REACTION HISTORY OF PLEISTOCENE MIGMATITES FROM THE WESTERN HIMALAYA: INSIGHTS FROM CHEMICAL ZONATION IN GARNET
48 Tectono-Metamorphic Processes at Convergent Boundaries: Insights from the Grenville Orogen, Northeastern North America, and Beyond (Posters)Tuesday, 22 March 20228:00 AM - 12:00 PMFreedom Hall A
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A MODERN PULSE OF PLATE-VELOCITY EXHUMATION AND DIACHRONOUS CRUSTAL MELTING IN THE NANGA PARBAT MASSIF
32 Tectono-Metamorphic Processes at Convergent Boundaries: Insights from the Grenville Orogen, Northeastern North America, and BeyondMonday, 21 March 20221:30 PM - 5:30 PMCommonwealth Salon 4
2021
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A MODERN PULSE OF ULTRAFAST MID-CRUSTAL EXTRUSION AND DIACHRONOUS CRUSTAL MELTING IN THE NANGA PARBAT MASSIF
T233 Metamorphism into the 21st Century II—A Celebration of the Career of Mike BrownWednesday, 13 October 20211:30 PM - 5:30 PMPortland Ballroom 252 (Hybrid Room)
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NEOARCHEAN POLYMETAMORPHISM AND CRUSTAL MELTING DUE TO MAGMATIC HEAT ADVECTION IN THE NORTHERN WYOMING PROVINCE: INSIGHTS FROM GARNET PETROCHRONOLOGY AND THERMAL MODELING
T233 Metamorphism into the 21st Century II—A Celebration of the Career of Mike BrownWednesday, 13 October 20211:30 PM - 5:30 PMPortland Ballroom 252 (Hybrid Room)
2020
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SLOW DIFFERENTIATION OF CONTINENTAL CRUST IN AN ARCHEAN GRANULITE TERRANE
T111 Granulite Terranes and Evolution of Continental Lower Crust: Insights from the Canadian Shield and Beyond IWednesday, 28 October 202010:00 AM - 12:00 PMMeeting Rooms
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METAMORPHIC DEHYDRATION FROM OCEANIC CRUST PROVIDES FLUID SOURCES FOR DEEP SLOW SLIP AND TREMOR IN SUBDUCTION ZONES
T109 Subduction Zone Slip Behavior: The Intersection of Deformation and MetamorphismWednesday, 28 October 202010:00 AM - 12:00 PMMeeting Rooms
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MINERALOGIC AND BULK CHEMICAL COMPOSITION OF PROTEROZOIC MYLONITIC GARNET LEUCOGNEISS IN THE RUBY RANGE, MONTANA
12 Undergraduate Research II (Posters)Friday, 20 March 20208:00 AM - 12:00 PMGrand Ballroom A–D
2019
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QUATERNARY PARTIAL MELTING IN THE WESTERN HIMALAYAN SYNTAXIS: INSIGHTS FROM MONAZITE PETROCHRONOLOGY OF EARTH’S YOUNGEST MIGMATITES
T119 Metamorphic Petrology Past, Present and Future: Preparing for the Next 100 Years with the Mineralogical Society of America (Posters)Monday, 23 September 20199:00 AM - 6:30 PMHall AB, North Building
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NEOARCHEAN POLYMETAMORPHISM IN THE WYOMING PROVINCE RECORDED BY ZONED GARNET PETROCHRONOLOGY
T119 Metamorphic Petrology Past, Present and Future: Preparing for the Next 100 Years with the Mineralogical Society of America (Posters)Monday, 23 September 20199:00 AM - 6:30 PMHall AB, North Building
2003
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CHARLES PREWITT AS THE MULTI-ANVIL HIGH-PRESSURE SCIENTIST
T48 The Impact of Crystal Chemistry in the Earth Sciences I: A Tribute to Charles T. Prewitt, Recipient of the 2003 Roebling Medal of the Mineralogical Society of AmericaSunday, 2 November 20031:00 PM - 3:45 PM