Stephen Grasby
Geological Survey of Canada, Calgary, AB
Activity
2024
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RECOVERY FROM THE EARLY TRIASSIC HOTHOUSE LED TO REGIONAL FORMATION OF RARE EARTH ELEMENT ENRICHED PHOSPHORITES
T271 Science and Technology Advancement in Responsible Mining of Critical Minerals from Primary and Secondary Resources IIWednesday, 25 September 20241:30 PM - 5:30 PM209B
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SULPHATE MINERALOGY OF BURNING SHALES AND ACID PONDS - INGNIRYUAT (SMOKING HILLS), NORTHWEST TERRITORIES, CANADA
T168 Sulfates on Earth, Mars, and BeyondTuesday, 24 September 20248:00 AM - 12:00 PM213A
2023
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THE SMOKING HILLS FORMATION OF ARCTIC CANADA
210 D17. Recent Advances in Sedimentology and StratigraphyWednesday, 18 October 20238:00 AM - 12:00 PM329
2022
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MARINE SNOWSTORM DURING THE PERMIAN – TRIASSIC MASS EXTINCTION
T259 Dynamics of Earth’s Climate System and Biogeochemical Cycles in Deep TimeWednesday, 12 October 20221:30 PM - 5:30 PM506
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CONSTRAINING DEPOSITION AND DIAGENESIS OF SEDIMENTARY PHOSPHORITE DEPOSITS OF WESTERN CANADA TO EVALUATE THEIR POTENTIAL AS AN ECONOMICAL SOURCE OF REES
265 D3. Recent Advances in Economic Geology (Posters)Wednesday, 12 October 20222:00 PM - 6:00 PMExhibit Hall F
2021
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VOLCANIC LOADING OF METALS AND NUTRIENTS INTO THE CRETACEOUS BOREAL SEA – NOT ALL LIPS ARE KILLERS
T104 Impacts of Volcanism on Global Climate and Oceans—Drivers of Mass Extinctions through the Phanerozoic IIMonday, 11 October 20211:30 PM - 5:30 PMPortland Ballroom 255 (Hybrid Room)
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NEW CONSTRAINTS ON THE AGE, GEOCHEMISTRY, AND ENVIRONMENTAL IMPACT OF HIGH ARCTIC LARGE IGNEOUS PROVINCE MAGMATISM: TRACING THE EXTENSION OF THE ALPHA RIDGE ONTO ELLESMERE ISLAND, CANADA
T104 Impacts of Volcanism on Global Climate and Oceans—Drivers of Mass Extinctions through the Phanerozoic IIMonday, 11 October 20211:30 PM - 5:30 PMPortland Ballroom 255 (Hybrid Room)
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NICKEL ISOTOPES LINK SIBERIAN TRAPS AEROSOL PARTICLES TO THE END-PERMIAN MASS EXTINCTION
T8 Evolution of Earth’s Surface: Honoring Xiao-Ming Liu, Recipient of the 2021 Mineralogy, Geochemistry, Petrology, and Volcanology Division’s Early Geological Career AwardSunday, 10 October 20218:00 AM - 12:00 PMPortland Ballroom 252 (Hybrid Room)
2020
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HYPER-ACIDITY AND METAL LOADING RELATED TO SHALE WEATHERING IN ARCTIC CANADA- TOXIC STEW OF THE SMOKING HILLS
T19 Cold Regions Weathering and Biogeochemical Cycling: Bridging Environments and ApproachesMonday, 26 October 20201:30 PM - 5:30 PMMeeting Rooms
2019
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MERCURY AS A PROXY FOR VOLCANIC EMISSIONS IN THE GEOLOGIC RECORD
T296 Volcanism, Impacts, and Phanerozoic Mass Extinctions: Discovering a Common Cause and Planning for the 6th Mass Extinction IIWednesday, 25 September 20191:30 PM - 5:30 PMRoom 227ABC, North Building
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INTEGRATING THE LARGE IGNEOUS PROVINCE (LIP) RECORD WITH BIOLOGICAL AND ENVIRONMENTAL CHANGES RECORDED IN THE SEDIMENTARY RECORD
T247 Volcanism, Impacts, and Phanerozoic Mass Extinctions: Discovering a Common Cause and Planning for the 6th Mass Extinction IWednesday, 25 September 20198:00 AM - 12:00 PMRoom 227ABC, North Building
2018
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CONTROLS ON PERENNIAL SPRING TEMPERATURE AND DISCHARGE IN HIGH LATITUDE REGION WITH THICK PERMAFROST
T160 Water Temperatures in Surface and Subsurface Hydrologic Systems: Controls, Applications, and ImplicationsTuesday, 6 November 20188:00 AM - 12:00 PMRoom 133
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THE LONG ROAD TO RECOVERY – THE TRIASSIC MARINE BOREAL RECORD AT SPATH CREEK, CANADIAN HIGH ARCTIC
T80 Global Change: Evolution and Extinctions in the TriassicMonday, 5 November 20188:00 AM - 12:00 PMRoom 136-137
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EDIACARAN-LIKE TEXTURED ORGANIC SURFACES FROM THE BOREAL EARLY TRIASSIC: MICROBIAL MATS THRIVED IN THE ABSENCE OF GRAZING AFTER THE PERMIAN-TRIASSIC MASS EXTINCTION
T80 Global Change: Evolution and Extinctions in the TriassicMonday, 5 November 20188:00 AM - 12:00 PMRoom 136-137
2017
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IN WAKE OF END PERMIAN EXTINCTION, WIDESPREAD NUTRIENT CRISIS LEADS TO EARLY TRIASSIC PRODUCTIVITY COLLAPSE ACROSS NW PANGEA
T305 Impact of Extinction Events on the Ecological and Geochemical Functioning of Marine EcosystemsWednesday, 25 October 20178:00 AM - 12:00 PMRoom 608
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MERCURY ANOMALOUS EVIDENCE FOR STRONG VOLCANISM IN LATE-NEOPROTEROZOIC BEFORE THE RISE OF ANIMAL LIFE
392 D37. Volcanology (Posters)Wednesday, 25 October 20179:00 AM - 6:30 PMHalls 4EF
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MERCURY ANOMALIES SHOW PRECISE COINCIDENCE OF SIBERIAN AND THE END-PERMIAN MASS EXTINCTION IN SOUTH CHINA
T331 Mercury in the Geologic RecordWednesday, 25 October 20171:30 PM - 5:30 PMRoom 607
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MERCURY ENRICHMENTS COINCIDENT WITH TRILOBITE EXTINCTION AT THE CAMBRIAN SERIES 2 – 3 BOUNDARY; AN IMPRINT OF THE KALKARINDJI LIP?
T331 Mercury in the Geologic RecordWednesday, 25 October 20171:30 PM - 5:30 PMRoom 607
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MERCURY SPIKES SUGGEST VOLCANIC DRIVER OF THE ORDOVICIAN-SILURIAN MASS EXTINCTION
T331 Mercury in the Geologic RecordWednesday, 25 October 20171:30 PM - 5:30 PMRoom 607
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THE MIDDLE PERMIAN (CAPITANIAN) EXTINCTION RECORD IN THE BOREAL REALM (SPITSBERGEN AND ELLESMERE ISLAND): EVIDENCE FOR VOLCANICALLY-DRIVEN KILL MECHANISMS
T228 Mass Extinctions II: Past, Present, and Future?Tuesday, 24 October 20171:30 PM - 5:30 PMRoom 608
2016
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LATEST DEVONIAN DEMISE OF CARBONATE FACTORIES CAUSED BY BASIN-TO-SHELF ANOXIA IN WESTERN LAURENTIA
T311 Marine and Terrestrial Records of Extreme Climates and Extinction: Making Sense of Similarities and DifferencesWednesday, 28 September 20161:30 PM - 5:30 PMRoom 504
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EARLY TRIASSIC PRODUCTIVITY CRISES DELAYED RECOVERY FROM WORLD’S WORST MASS EXTINCTION
T106 Volcanism, Mass Extinctions, and Environmental ChangeMonday, 26 September 20168:00 AM - 12:00 PMMile High Ballroom 3C