Francis A. Macdonald
University of California, Santa Barbara, CA
Activity
2022
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DATING THE FORMATION AND EXHUMATION OF THE COAST RANGE OPHIOLITE AT POINT SAL
T163 Advances and Applications of Thermochronology in Tectonic, Magmatic, Basin, and Geomorphic Studies (Posters)Tuesday, 11 October 20229:00 AM - 1:00 PMExhibit Hall F
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EVIDENCE OF AN AIR BURST ORIGIN FOR THE SOUTH AUSTRALIAN EDEOWIE GLASS
T46 Impact Cratering in Space and TimeSunday, 9 October 20221:30 PM - 5:30 PM501
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SORTING SNOWBALLS IN DEATH VALLEY
18 Neo-Insights into the Neoproterozoic of Western North AmericaWednesday, 16 March 20228:00 AM - 12:00 PMCBC-A 112
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PALEOMAGNETISM AND GEOCHRONOLOGY OF MESOPROTEROZOIC DIABASE SILLS FROM DEATH VALLEY, CALIFORNIA: EVALUATING THE BIFURCATING PLUME HYPOTHESIS FOR THE SOUTHWESTERN LAURENTIA LARGE IGNEOUS PROVINCE
11 Geology of Death Valley: Old versus New Ideas, Hypotheses, and TheoriesTuesday, 15 March 20221:30 PM - 5:30 PMCBC-A 110
2020
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CRYOGENIAN TO EARLY CAMBRIAN EVOLUTION OF THE PHOSPHORITE-BEARING KHOVSGOL BASIN, MONGOLIA
T174 Precambrian Basin AnalysisThursday, 29 October 202010:00 AM - 12:00 PMMeeting Rooms
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CONSTRAINTS FROM THE AREQUIPA TERRANE ON THE NEOPROTEROZOIC-CAMBRIAN RIFT HISTORY OF LAURENTIA
T198 Assembling Laurentia: Paleozoic Mobile Margins IThursday, 29 October 20201:30 PM - 5:30 PMMeeting Rooms
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THE LATE GREAT UNCONFORMITY OF THE CENTRAL CANADIAN SHIELD
T173 Assembling Laurentia: Neoproterozoic to Cambrian Rifting and Continental Margin Evolution during Breakup of Rodinia and PannotiaThursday, 29 October 202010:00 AM - 12:00 PMMeeting Rooms
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DECIPHERING THE PALEOMAGNETIC CONSTRAINTS ON LAURENTIA'S NEOPROTEROZOIC TECTONIC EVOLUTION
T173 Assembling Laurentia: Neoproterozoic to Cambrian Rifting and Continental Margin Evolution during Breakup of Rodinia and PannotiaThursday, 29 October 202010:00 AM - 12:00 PMMeeting Rooms
2019
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DO TOPOGRAPHIC BARRIERS PREVENT HINTERLAND DETRITUS FROM REACHING FORELAND BASINS? TWO EXAMPLES FROM THE TACONIC AND ACADIAN OROGENIES IN THE NORTHERN APPALACHIANS
T243 New Developments in the Appalachian-Caledonian-Variscan Orogen IWednesday, 25 September 20198:00 AM - 12:00 PMRoom 229B, North Building
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THE LASER’S EDGE: PUSHING DETRITAL ZIRCON GEOCHRONOLOGY TO THE LIMIT TO STUDY COMPLEX ROCKS IN THE PELHAM DOME, NORTHERN APPALACHIANS
T243 New Developments in the Appalachian-Caledonian-Variscan Orogen IWednesday, 25 September 20198:00 AM - 12:00 PMRoom 229B, North Building
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GEOCHRONOLOGIC CONSTRAINTS ON NEOPROTEROZOIC RIFTING OF RODINIA: INSIGHTS FROM NORTHERN BRITISH COLUMBIA
T221 Understanding the Neoproterozoic Earth-Life SystemTuesday, 24 September 20191:30 PM - 5:30 PMRoom 102AB, West Building
2018
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TONIAN AND CRYOGENIAN BASIN FORMATION IN DEATH VALLEY, CALIFORNIA AND THE PALEOENVIRONMENTAL CONTEXT OF THE PAHRUMP GROUP
T87 Earth and Life Co-Evolution in the Early to Middle Neoproterozoic (1000 to ca. 635 Ma)Monday, 5 November 20188:00 AM - 12:00 PMRoom 143-144