John Hanchar
Memorial University of Newfoundland, St John's, NF
Activity
2024
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TECTONO-METAMORPHIC EVOLUTION OF THE TACONIC OROGEN IN THE NEWFOUNDLAND APPALACHIANS, INSIGHTS FROM THE BAIE VERTE PENINSULA ECLOGITES
19 Unraveling Appalachian Orogenic Events Using Geological and Geophysical MethodsMonday, 18 March 20248:00 AM - 12:00 PMMerrimack Room
2023
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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
2021
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REDOX CONTROL ON THE TI-IN MAGNETITE CONTENT: CONSTRAINTS FOR THE ORIGIN OF MAGNETITE APATITE (MTAP) DEPOSITS
T169 Magnetite Apatite (MtAp) Deposits in Space and TimeTuesday, 12 October 20211:30 PM - 5:30 PMA107–A109
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ARE MAGNETITE-(APATITE) SYSTEMS RELATED TO CONVENTIONAL SILICATE-RICH INTERMEDIATE MELTS?
T169 Magnetite Apatite (MtAp) Deposits in Space and TimeTuesday, 12 October 20211:30 PM - 5:30 PMA107–A109
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THE MONTECRISTO IRON OXIDE-COPPER-GOLD (IOCG) DISTRICT IN NORTHERN CHILE: NEW EVIDENCE ABOUT THE GENETIC RELATIONSHIP BETWEEN IOCG AND MAGNETITE-(APATITE) DEPOSITS
T169 Magnetite Apatite (MtAp) Deposits in Space and TimeTuesday, 12 October 20211:30 PM - 5:30 PMA107–A109
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COMPLEX MAGMA IMMISCIBILITY IN THE FORMATION OF A MAGNETITE-APATITE SYSTEM, EL LACO, CHILE
T169 Magnetite Apatite (MtAp) Deposits in Space and TimeTuesday, 12 October 20211:30 PM - 5:30 PMA107–A109
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FORMATION OF MAGNETITE-(APATITE) SYSTEMS BY CRYSTALLIZATION OF ULTRAMAFIC IRON-RICH MELTS
T169 Magnetite Apatite (MtAp) Deposits in Space and TimeTuesday, 12 October 20211:30 PM - 5:30 PMA107–A109
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CARBONATE-SULFATE MELTS AND THEIR ROLE IN MAGNETITE-APATITE FORMATION WORLDWIDE
T169 Magnetite Apatite (MtAp) Deposits in Space and TimeTuesday, 12 October 20211:30 PM - 5:30 PMA107–A109
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METAMORPHIC EVOLUTION OF LOWER CRUSTAL XENOLITHS FROM THE MOJAVE DESERT, CALIFORNIA: A PETROCHRONOLOGIC APPROACH
1 Chemical and Thermal Changes in Cordilleran Arc Systems: Insights from the Metamorphic RecordWednesday, 12 May 20218:30 AM - 12:30 PMUNR Dept of Geological Sciences & Engineering Room
2020
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LOWER CRUSTAL ALUMINOUS XENOLITHS FROM THE MOJAVE DESERT, CALIFORNIA
T162 Granulite Terranes and Evolution of Continental Lower Crust: Insights from the Canadian Shield and Beyond IIWednesday, 28 October 20205:30 PM - 8:00 PMMeeting Rooms
2019
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AGE AND ORIGIN OF THE BENSON MINES IRON ORE DEPOSIT, NORTHWESTERN ADIRONDACK HIGHLANDS
100 D2. Recent Advances in Economic Geology (Posters)Monday, 23 September 20199:00 AM - 6:30 PMHall AB, North Building
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XENOLITH CONSTRAINTS ON RHEOLOGY OF HETEROGENEOUS DEEP CRUST BENEATH THE EASTERN MOJAVE DESERT, CALIFORNIA
T126 Structural Geology in the 21st Century: Rheology of Naturally Deformed Rocks (Posters)Monday, 23 September 20199:00 AM - 6:30 PMHall AB, North Building
2017
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TIMING AND RELATIONS OF MAGNETITE AND COPPER ORE MINERALIZATION IN IOCG AND MTAP DEPOSITS: COASTAL CORDILLERA, COPIAPO REGION CHILE,
T237 System-Scale Zonation of Ore Systems: Insights into 3D Architecture from Lateral and Deep Exposures Due to Mining and Structural DeformationTuesday, 24 October 20171:30 PM - 5:30 PMYakima 1
2015
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HISTORY OF SILICIC MAGMATISM IN ICELAND ILLUMINATED BY ISOTOPES (U-PB, U-TH, O, HF) IN THE ZIRCON RECORD
T227 A Matter of Perspective: Integrating Macro- and Micro-Scale Evidence in Investigations of Magmatic Origins and Histories (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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DETRITAL ZIRCONS REVEAL THE GENESIS AND SURPRISING LONGEVITY OF ABUNDANT SILICIC MAGMATISM AT BREIDUVIK VOLCANO, EAST ICELAND
15 Igneous and Metamorphic Petrology (Posters)Tuesday, 12 May 20151:30 PM - 5:30 PMAtrium/Hallway
2014
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HIGH SPATIAL-RESOLUTION ISOTOPE GEOCHEMISTRY OF MONAZITE (U–PB & SM–ND) AND ZIRCON (U–PB & LU–HF) IN THE OLD WOMAN PIUTE RANGE BATHOLITH, MOJAVE DESERT, CALIFORNIA
T213 Continental Arcs #3: Mapping the Temporal and Compositional Evolution of Subvolcanic Magmatic Systems (Posters)Tuesday, 21 October 20149:00 AM - 6:30 PMExhibition Hall C
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U-PB GEOCHRONOLOGY AND HF ISOTOPE COMPOSITION OF ZIRCON FROM THE WOLVERINE POLYMETALLIC VOLCANIC HOSTED MASS SULFIDE DEPOSIT, YUKON, CANADA
119 Recent Advances in Economic Geology (Posters)Monday, 20 October 20149:00 AM - 6:30 PMExhibition Hall C
2013
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PAIRING AGES AND ISOTOPES IN THE ICELANDIC ZIRCON RECORD: ADDING CRITICAL INSIGHT TO FELSIC PETROGENESIS WITH U-PB, U-TH, O AND HF
T26 Illuminating Felsic Origins: Using Novel Multiple-Method Approaches to Investigate the Birth of Silicic MagmasSunday, 27 October 20138:00 AM - 12:00 PMRoom 205
2012
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KRAFLA ZIRCON: INSIGHTS INTO GENERATION OF SILICIC MAGMA AT AN ICELANDIC CENTRAL VOLCANO
32 Silicic Volcanism IIFriday, 30 March 20122:30 PM - 4:30 PMJuarez 3
2010
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THE CHANGE OF SOURCE COMPOSITION IN PLUTONIC ROCKS FROM THE KOHISTAN-LADAKH ARC CONSTRAIN THE ONSET OF COLLISION ALONG THE INDUS SUTURE IN THE WESTERN HIMALAYA
T285 Transformative Science in the Himalaya and Tibet: Insight from Geophysical, Geochemical, and Geologic StudiesWednesday, 3 November 20101:30 PM - 5:30 PMMile High Ballroom 2AB/3AB
2009
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USING HF ISOTOPES IN ZIRCON TO MONITOR FLUID PROCESSES AND IRON OXIDE-APATITE MINERALIZATION AND REMOBILIZATION DURING OROGENIC EXTENSION
T157 Geofluids and Deformation: Integrated Studies for the 21st CenturyTuesday, 20 October 20098:00 AM - 12:00 PMA105
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LEAD ISOTOPIC (204, 206, 207, 208) COMPOSITION OF INDIVIDUAL MELT INCLUSIONS FROM THE BISHOP TUFF, LONG VALLEY, CA
T93 Melt and Fluid Inclusion Analysis in Resource InvestigationsMonday, 19 October 20098:00 AM - 12:00 PMD135/136
2008
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Direct Dating of Low-Ti Magnetite Deposits in the Lyon Mountain Gneiss by U/Pb Zircon Geochronology
T185 Recent Advances in the Understanding of Adirondack and Southern Grenville Province Tectonics I: In Honor of James McLellandMonday, 6 October 20088:00 AM - 12:00 PM
2007
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IDENTIFYING THE SEQUENCE OF MULTIPLE FLUID EVENTS IN METAMORPHIC TERRANES: AN EXAMPLE FROM THE LYON MOUNTAIN GNEISS, ADIRONDACK MOUNTAINS, NEW YORK
T226 Diversity in Crustal Fluid Compositions: Geological Origins and ConsequencesWednesday, 31 October 20071:30 PM - 5:30 PM