Ryan Deasy
Florence Bascom Geoscience Center, Reston, VA
Activity
2024
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GREENSCHIST-FACIES METAMORPHISM AND THE GENESIS OF AN ORTHOPHYLLITE – ROANOKE RAPIDS TERRANE, NORTH CAROLINA
37 Piedmont Geology in the Southern Appalachian Orogen: New Insights from Geologic Mapping, Geochemical, and Geochronological StudiesTuesday, 16 April 202410:20 AM - 12:00 PMWindsor Ballroom Salon A
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AUGMENTING GEOLOGIC MAPPING AND TERRANE CHARACTERIZATION WITH NEW GEOCHRONOLOGY FROM THE EASTERN PIEDMONT IN SOUTHEASTERN VIRGINIA AND NORTHEASTERN NORTH CAROLINA
37 Piedmont Geology in the Southern Appalachian Orogen: New Insights from Geologic Mapping, Geochemical, and Geochronological StudiesTuesday, 16 April 202410:20 AM - 12:00 PMWindsor Ballroom Salon A
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GEOLOGIC MAPPING TRANSECT ALONG THE ROANOKE RIVER IN NORTHEASTERN NORTH CAROLINA: INSIGHTS INTO THE ROANOKE RAPIDS TERRANE
29 Piedmont Geology in the Southern Appalachian Orogen: New Insights from Geologic Mapping, Geochemical, and Geochronological Studies (Posters)Monday, 15 April 20241:30 PM - 5:30 PMGrand Ballroom
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GEOCHEMICAL CHARACTERIZATION OF EASTERN PIEDMONT ROCKS AND ATLANTIC COASTAL PLAIN SEDIMENTS ALONG THE FALL ZONE IN SOUTHEASTERN VIRGINIA
29 Piedmont Geology in the Southern Appalachian Orogen: New Insights from Geologic Mapping, Geochemical, and Geochronological Studies (Posters)Monday, 15 April 20241:30 PM - 5:30 PMGrand Ballroom
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SYNTHESIS OF THE MESOPROTEROZOIC BASEMENT OF THE SOUTHEASTERN ADIRONDACK HIGHLANDS, ESSEX COUNTY, NEW YORK
35 Deciphering a Cryptic Geologic Record: New Insights from Field and Lab Investigations of the Appalachians in the United States and CanadaTuesday, 19 March 20248:00 AM - 12:00 PMPemigewasset Room
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DUCTILE TERRANE ASSEMBLY EXPOSED IN THE DEEP RIVER AND ESSEX QUADRANGLES, MIDDLESEX COUNTY, CONNECTICUT
24 Mapping in the Geosciences: Processes and Products (Posters)Monday, 18 March 20249:00 AM - 1:00 PMArmory Ballroom
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AN ACADIAN-ALLEGHANIAN-MESOZOIC STRETCHING FAULT, SOUTHERN NEW ENGLAND,LOCALIZED BY RODINIAN STRUCTURAL INHERITANCE
1 Neoproterozoic and Paleozoic Geological Connections Among Northwest Africa, Europe, and Eastern North America I – A Session Honoring the Career of Sandra M. BarrSunday, 17 March 20248:00 AM - 12:00 PMPemigewasset Room
2023
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PRELIMINARY CHARACTERIZATION OF A POTENTIAL MESOZOIC SANIDINE MONITOR STANDARD FOR 40AR/39AR GEOCHRONOLOGY
T128 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution IIMonday, 16 October 20231:30 PM - 5:30 PM327
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NEW GEO- AND THERMOCHRONOLOGICAL CONSTRAINTS ON THE ARCHITECTURE AND EVOLUTION OF THE SUWANNEE TERRANE, FLORIDA, USA
40 Alleghanian Overprinting of Pre-Alleghanian Accreted TerranesSunday, 19 March 20238:00 AM - 12:00 PMRegency Ballroom B
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NEW GEOCHRONOLOGY FROM THE EASTERNMOST PIEDMONT AND COASTAL-PLAIN BASEMENT IN VIRGINIA AND MARYLAND
40 Alleghanian Overprinting of Pre-Alleghanian Accreted TerranesSunday, 19 March 20238:00 AM - 12:00 PMRegency Ballroom B
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PRELIMINARY GEOLOGIC MAP OF PRE-MIDDLE JURASSIC BASEMENT ROCKS BENEATH THE COASTAL PLAIN IN FLORIDA
37 Mapping in the Geosciences: Processes and Products (Posters)Saturday, 18 March 20231:30 PM - 5:30 PMGrand Ballroom A–D
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GEOTRAVERSE ALONG THE MEHERRIN RIVER IN SOUTHEASTERN VIRGINIA: AN UPDATE OF USGS GEOLOGIC MAPPING ON THE WESTERN HALF OF THE EMPORIA 30X60-MINUTE QUADRANGLE, VIRGINIA AND NORTH CAROLINA
36 Geologic Maps, Geophysical Maps, 3-D Geological Models, Digital Mapping Techniques, Map Derivatives, and Digital Map Preparation (Posters)Saturday, 18 March 20231:30 PM - 5:30 PMGrand Ballroom A–D
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NEW TERRANE MAP FROM DETAILED MAPPING AND AIRBORNE GEOPHYSICS OF PARTS OF THE CENTRAL AND EASTERN PIEDMONT, VIRGINIA, USA
37 Mapping in the Geosciences: Processes and Products (Posters)Saturday, 18 March 20231:30 PM - 5:30 PMGrand Ballroom A–D
2022
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THE GEOLOGICAL CONTRIBUTIONS OF DAVE BISH: NOT JUST IN SOILS BUT ALSO IN CRYSTALLINE ROCKS
T116 Charting Soils at the Atomic Scale II: A Tribute to the Careers of David L. Bish and Jeffrey E. PostMonday, 10 October 20221:30 PM - 5:30 PM607
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BASEMENT INFRASTRUCTURE OF NORTHWEST FLORIDA REVEALED BY 39AR/40AR AGE SPECTRA OF K-FELDSPAR AND MUSCOVITE
14 Appalachian Orogenies: When and How Do They Start and End?Thursday, 7 April 20221:30 PM - 5:30 PMNorth Meeting Room 212
2021
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GEOCHEMISTRY AND MINERALOGY OF MAFIC, INTERMEDIATE, AND FELSIC ROCKS OF THE NORTH FLORIDA VOLCANIC SERIES
11 D3. Southern Appalachian and Analogous Terranes IFriday, 2 April 20218:00 AM - 12:00 PMFMR, Inc. Room
2003
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VENT FLUID COMPOSITION IN BAHÍA CONCEPCIÓN COASTAL SUBMARINE HYDROTHERMAL SYSTEM, BAJA CALIFORNIA SUR, MEXICO
T76 Submarine Hydrothermal Systems: The Emergence of GeobiologyMonday, 3 November 20038:00 AM - 12:00 PM