Sierra C. Ohrmundt
Texas Christian University, Fort Worth, TX
Activity
2022
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FIELD-BASED VOLCANOLOGICAL STUDIES OF AN EXTENSIONAL 1.2 GA CONTINENTAL MAGMATIC ARC ON THE EDGE OF THE KALAHARI CRATON, SW NAMIBIA
T45 The Virtue of Fieldwork in Volcanology, Sedimentology, Structural Geology, and Tectonics II: A Session to Honor Cathy Busby, MGPV Distinguished Geological Career Award Recipient of 2020Sunday, 9 October 20221:30 PM - 5:30 PM207
2019
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COMPLEX SHALLOW-LEVEL ANDESITIC MAGMA PLUMBING SYSTEMS AND MAGMA/SEDIMENT INTERACTION IN A MESOPROTEROZOIC VOLCANIC ARC SETTING IN NAMIBIA
36 D11. Volcanoes and Igneous Rocks (Posters)Wednesday, 27 March 20198:30 AM - 11:45 AMBig Basin/Kaw Nation Rooms
2018
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PEPERITES, STEAM-EXPLOSION BRECCIAS, INTRUSIVE PYROCLASTIC ROCKS AND PHREATOMAGMATIC DIATREMES FORMED DURING INTRUSION OF ANDESITIC MAGMA INTO WET LACUSTRINE STRATA IN A 1.2 GA INTRA-ARC BASIN (BARBY FORMATION, SW NAMIBIA)
270 D41. Volcanology (Posters)Wednesday, 7 November 20189:00 AM - 6:30 PMHalls J-K
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INTERACTIONS BETWEEN THICK RHYOLITE SILLS AND WET, UNLITHIFIED LACUSTRINE SEDIMENTS IN A MESOPROTEROZOIC VOLCANIC ARC SETTING, SW NAMIBIA
270 D41. Volcanology (Posters)Wednesday, 7 November 20189:00 AM - 6:30 PMHalls J-K
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ANDESITIC PYROCLASTIC INTRUSIONS INJECTED LATERALLY INTO WEAK LACUSTRINE SEDIMENTS WITHIN A MESOPROTEROZOIC VOLCANIC ARC SUCCESSION, BARBY FORMATION, SW NAMIBIA
18 D4. Igneous and Tectonic Activity (Posters)Tuesday, 13 March 20188:30 AM - 6:00 PMSalons A & B
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ERUPTIVE MECHANISMS, LITHOFACIES PATTERNS AND SUBVOLCANIC MAGMA PLUMBING SYSTEMS IN A 1.2 GA EXTENSIONAL CONTINENTAL MARGIN ARC ON THE EDGE OF THE KALAHARI CRATON, SW NAMIBIA
21 D4. Igneous and Tectonic ActivityTuesday, 13 March 20181:30 PM - 3:45 PMChicot Room
2017
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INTRUSIVE PYROCLASTIC ROCKS FORMED DURING EXPLOSIVE ANDESITIC ERUPTIONS IN A MESOPROTEROZOIC VOLCANIC ARC SETTING, BARBY FORMATION, SW NAMIBIA
392 D37. Volcanology (Posters)Wednesday, 25 October 20179:00 AM - 6:30 PMHalls 4EF
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EXPOSED PYROCLASTIC VENT CONDUITS FOR MONOGENETIC ANDESITIC VOLCANOES IN A MESOPROTEROZOIC ARC SEQUENCE, SW NAMIBIA
392 D37. Volcanology (Posters)Wednesday, 25 October 20179:00 AM - 6:30 PMHalls 4EF