L. Kenneth Horkley
University of Iowa, Iowa City, IA
Activity
2024
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DYNAMICS AND TIMESCALES OF MAGMA RESIDENCE BENEATH AT SOCOMPA VOLCANO, SOUTHERN CENTRAL ANDES, CHILE
T199 Subduction Zones and Their Volcanic Arcs: Initiation and Evolution, Structure, Metamorphism, Magmatism (Posters)Tuesday, 24 September 20248:00 AM - 5:30 PMHall D
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FIRST CYCLE OR POLYCYCLIC? COMBINING APATITE AND ZIRCON DETRITAL U-Pb GEOCHRONOLOGY AND GEOCHEMISTRY TO ASSESS SEDIMENT RECYCLING IN THE SOUTHWESTERN MONTANA FORELAND BASIN, NORTH AMERICAN CORDILLERA
T71 The Changing Cordilleran Margin: Permian through Eocene Tectonism, Magmatism, and General Geology from Western Mexico through Northern California and EastwardSunday, 22 September 20241:30 PM - 5:30 PM304A
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PALEOCENE TO EOCENE POWDER RIVER BASIN PROVENANCE BASED ON DETRITAL GARNET AND APATITE GEOCHEMISTRY
26 Undergraduate Research (Posters)Thursday, 16 May 20249:00 AM - 5:30 PMGrand Ballroom
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PROVENANCE OF THE PALEOCENE TURLOCK MEMBER USING DETRITAL GARNET AND APATITE, FORT UNION FORMATION, POWDER RIVER BASIN
26 Undergraduate Research (Posters)Thursday, 16 May 20249:00 AM - 5:30 PMGrand Ballroom
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USING CR-SPINEL INCLUSIONS TO TRACK CHANGES IN PLAGIOCLASE CRYSTAL CARGOES IN PLAGIOCLASE ULTRAPHYRIC BASALTS FROM SITES U1500 AND U1502 ON THE SOUTH CHINA SEA RIFTED MARGIN
15 Ultramafic and Mafic MagmatismMonday, 22 April 202410:15 AM - 12:00 PMFiji Ballroom, Oasis CC
2023
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FORMATION AND STORAGE CONDITIONS OF LARGE-VOLUME SILICIC MAGMAS FROM THE AFRO-ARABIAN LARGE IGNEOUS PROVINCE
252 D14. Recent Advances in Mineralogy and PetrologyWednesday, 18 October 20231:30 PM - 5:30 PM315 / 316
2022
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COMPARISON OF HEAVY MINERAL SUITES FROM LARAMIDE BASEMENT ROCKS AND PALEOCENE STRATA IN THE POWDER RIVER BASIN, EASTERN WYOMING
T208 Mountains, Rivers, and Lakes: Integrated Records of Paleogene Landscape Evolution, Western United States (Posters)Tuesday, 11 October 20222:00 PM - 6:00 PMExhibit Hall F
2021
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THE OTTER CREEK IGNEOUS COMPLEX, NW IOWA – 2.7 GA KOMATIITIC MAGMATISM ON THE SOUTHERN MARGIN OF THE SUPERIOR CRATON
227 D22. Recent Advances in Precambrian Geology (Posters)Wednesday, 13 October 20219:00 AM - 1:00 PMExhibit Hall A
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COMPARISON BETWEEN GEOCHRONOLOGIC AND GEOCHEMICAL PROVENANCE MODELS FOR NEOGENE COOK INLET BASIN STRATA, SOUTH-CENTRAL ALASKA
T194 Insights into Cordilleran Tectonics and Magmatism from the Sedimentary Record (Posters)Tuesday, 12 October 20212:30 PM - 6:30 PMExhibit Hall A
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COMPARISON BETWEEN GEOCHRONOLOGIC AND GEOCHEMICAL PROVENANCE MODELS FOR CRETACEOUS SEDIMENTARY ROCKS IN SOUTHWESTERN MONTANA
28 D27. Recent Advances in Sediments, Clastic (Posters)Sunday, 10 October 20219:00 AM - 1:00 PMExhibit Hall A
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UNDERSTANDING THE FLUVIAL-TIDAL TRANSITION ZONE IN MODERN AND ANCIENT SYSTEMS USING MAJOR AND TRACE ELEMENTS, C/S ANALYSIS, AND PALYNOLOGY
T12 Applying Integrated Sedimentology and Ichnology to Refine Paleoenvironmental Interpretations, Identify Paleosalinities, and Reveal Key Sequence Stratigraphic Surfaces along Complex CoastlinesSunday, 10 October 20218:00 AM - 12:00 PMONLINE
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VARIATION IN OLIVINE TRACE ELEMENT CONTENTS REVEAL THE SIGNATURE OF DEEP MANTLE MELTING DURING THE ERUPTION OF THE MCCARTYS FLOW, ZUNI-BANDERA VOLCANIC FIELD, NEW MEXICO
17 Ultramafic and Mafic MagmatismTuesday, 20 April 20218:00 AM - 12:00 PMMissouri State University- Geography and Geology MS Program Room
2020
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U-PB BADDELEYITE AGE LINKS THE OSBORNE ANOMALY (NE IOWA) TO THE EARLY (1,150 MA) PHASE OF MIDCONTINENT RIFT ACTIVITY
19 Intrusive Rocks of the Midcontinent RiftMonday, 18 May 20201:30 PM - 5:30 PMFrench River Room 1
2019
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GEOCHEMISTRY AND PETROGRAPHY OF THE OSBORNE CORE (NORTHEAST IOWA INTRUSIVE COMPLEX)
198 D25. Recent Advances in Petrology, Igneous (Posters)Tuesday, 24 September 20199:00 AM - 6:30 PMHall AB, North Building
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PETROLOGY & GEOCHEMISTRY OF THE OSBORNE MAFIC INTRUSION, NW IOWA
43 Mafic and Ultramafic Magmatism in the Mid-Continent and Beyond (Posters)Wednesday, 27 March 20198:30 AM - 11:45 AMBig Basin/Kaw Nation Rooms