Mary C. Lonsdale
Johns Hopkins University, Baltimore, MD
Activity
2025
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LIFE AT THE LIMITS: NEW DATA FROM SOUTHWESTERN MONGOLIA SHED LIGHT ON THE ROLE OF REDOX IN THE EARLY DIVERSIFICATION OF ANIMALS IN THE CAMBRIAN
21 Co-evolution of Life and its Environment: From Biodiversification Events to Mass Extinction and Everything in BetweenThursday, 20 March 20251:30 PM - 3:30 PMAppalachian B
2024
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SPATIAL REDOX PROXY VARIABILITY IN UPPER EDIACARAN CARBONATE STRATA FROM THE ZAVKHAN TERRANE, SOUTHWEST MONGOLIA
T103 Dynamic Environments Across the Ediacaran-Cambrian Boundary and the Rise of Early Animals (Posters)Monday, 23 September 20248:00 AM - 5:30 PMHall D
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COMPARATIVE ANALYSIS OF TWO LOWER CAMBRIAN PHOSPHORITES IN CENTRAL ASIA: RELATING PALEOENVIRONMENT, PALEOECOLOGY, AND PHOSPHORITE FORMATION IN DEEP TIME
T81 Dynamic Environments Across the Ediacaran-Cambrian Boundary and the Rise of Early AnimalsMonday, 23 September 20248:00 AM - 12:00 PM208A
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EXTENSIVE COMPLEX, BED-PENETRATIVE TRACE FOSSILS IN THE EDIACARAN OF SOUTHWEST MONGOLIA
T81 Dynamic Environments Across the Ediacaran-Cambrian Boundary and the Rise of Early AnimalsMonday, 23 September 20248:00 AM - 12:00 PM208A
2023
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NEW GEOCHRONOLOGICAL, GEOCHEMICAL, AND PALEOENVIRONMENTAL CONSTRAINTS ON THE TONIAN EUKARYOTIC MICROFOSSIL ASSEMBLAGE IN THE CHICHKAN FORMATION IN THE MALYI (LESSER) KARATAU, KAZAKHSTAN
T134 New Advances in GeobiologyMonday, 16 October 20231:30 PM - 5:30 PM325
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WAS EARTH’S OLDEST MINERAL COLLECTOR A CNIDARIAN? MORPHOLOGICAL, MINERALOGICAL, AND MICROSTRUCTURAL ANALYSIS OF SALTERELLA
T9 The Early Paleozoic I: Radiations, Extinctions, and EnvironmentSunday, 15 October 20238:00 AM - 12:00 PM304 / 305
2022
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MULTI-PROXY REDOX RECONSTRUCTIONS OF EDIACARAN–CAMBRIAN CARBONATE SUCCESSIONS
68 D21. Laying the Foundation for the Modern Earth System at the Neoproterozoic-Paleozoic TransitionMonday, 10 October 20228:00 AM - 12:00 PMMile High Ballroom 4C
2020
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ALL ABOUT THAT BACE: INTERPRETING THE CARBON ISOTOPE RECORD OF THE EDIACARAN–CAMBRIAN TRANSITION
T214 New Voices in GeobiologyThursday, 29 October 20201:30 PM - 5:30 PMMeeting Rooms
2019
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ASSESSING ALTERATION OF EDIACARAN-CAMBRIAN CARBON ISOTOPE VALUES AT MOUNT DUNFEE, NV
T282 Chemostratigraphy: Physical and Temporal Applications (Posters)Wednesday, 25 September 20199:00 AM - 6:30 PMHall AB, North Building