John M. Proffett
Eagle River, AK
Activity
2022
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THE PETROLOGY OF WALL-ROCK ALTERATION ZONES IN PORPHYRY CU-MO-AU DEPOSITS: CONSTRAINTS ON THE TIMING, TEMPERATURE, AND PRESSURE CONDITIONS OF SULFIDE ORE FORMATION
T152 Convergent Margin Magmatism and Ore Deposits to Honor the Range of Contributions by John H. DillesTuesday, 11 October 20228:00 AM - 12:00 PM406
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A DISCUSSION ON THE TIMING AND TEMPERATURE OF COPPER AND MOLYBDENUM PRECIPITATION IN PORPHYRY DEPOSITS
T152 Convergent Margin Magmatism and Ore Deposits to Honor the Range of Contributions by John H. DillesTuesday, 11 October 20228:00 AM - 12:00 PM406
2020
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LOWER JURASSIC VOLCANIC AND SEDIMENTARY ROCKS DEPOSITIONALLY OVERLIE UPPER TRIASSIC HOST ROCKS AT THE PALMER VMS PROPERTY IN THE ALEXANDER TRIASSIC METALLOGENIC BELT, SOUTHEAST ALASKA
1 D1. Economic GeologyMonday, 26 October 20201:30 PM - 5:30 PMMeeting Rooms
2017
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TOPS AND BOTTOMS OF PORPHYRY COPPER DEPOSITS REVISITED: VERTICAL AND LATERAL EXTENTS FROM YERINGTON, NV, AND BUTTE, MT
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
2014
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BATHOLITHIC AND EARLY HALO TYPE COPPER-MOLYBDENUM DEPOSITS
T249 Honoring the Diverse Career of Eric S. Cheney: From Ore Deposits and Sequence Stratigraphy to Pacific Northwest Geology and Citizen ResponsibilityTuesday, 21 October 20141:00 PM - 5:00 PM302/303
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GEOLOGICAL AND STRUCTURAL SETTING OF THE RED CHRIS PORPHYRY COPPER(-GOLD, SILVER) DEPOSIT IN NORTHERN STIKINIA, BRITISH COLUMBIA
T242 Triassic-Jurassic Tectonics and Tectonic-Structural Controls on Porphyry and Related Mineralization in the Northern CordilleraTuesday, 21 October 20141:00 PM - 5:00 PM118
2009
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WALL-ROCK ALTERATION IN PORPHYRY COPPER DEPOSITS: PREDICTION OF HYDROTHERMAL FLUID COMPOSITIONS, FLOW PATHS, AND SULFIDE ORE DEPOSITION
T239 Fluid-Driven Geochemical Transformations: In Honor of Harold HelgesonWednesday, 21 October 20098:00 AM - 12:00 PMPortland Ballroom 252
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GRANITE, PORPHYRIES, HYDROTHERMAL ACTIVITY AND VOLCANISM IN THE YERINGTON DISTRICT, NEVADA
T158 Magmas and Volatiles: Linking Granites, Volcanoes, Geothermal Systems, and Mineral Deposits ITuesday, 20 October 20098:00 AM - 12:00 PME143/144