David Spears
Dillwyn, VA
Activity
2025
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COMMUNITY AND GOVERNMENT RESPONSE TO A RECENT GOLD DISCOVERY IN THE PIEDMONT OF VIRGINIA, USA
46 Geosciences and CommunityFriday, 21 March 20251:30 PM - 3:30 PMAlleghany A
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PRELIMINARY GEOLOGIC MAP OF THE DILLWYN 30X60-MINUTE QUADRANGLE, VIRGINIA, USA
6 Geologic Maps, Geophysical Maps, 3-D Geologic Models, Digital Mapping Techniques, Map Derivatives, and Digital Map Preparation (Posters)Thursday, 20 March 20258:00 AM - 12:00 PMShenandoah ABC
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GEOLOGIC MAPPING AND GEOCHRONOLOGY OF THE DABNEYS 7.5-MINUTE QUADRANGLE, GOOCHLAND TERRANE, VIRGINIA
6 Geologic Maps, Geophysical Maps, 3-D Geologic Models, Digital Mapping Techniques, Map Derivatives, and Digital Map Preparation (Posters)Thursday, 20 March 20258:00 AM - 12:00 PMShenandoah ABC
2023
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DETAILED GEOLOGIC MAPPING, WHOLE ROCK GEOCHEMISTRY, AND U-PB ZIRCON GEOCHRONOLOGY IN THE HYLAS HIGH-STRAIN ZONE, VIRGINIA EASTERN PIEDMONT
46 D12. Geochronology, Sediments, and Stratigraphy (Posters)Sunday, 19 March 20238:00 AM - 12:00 PMGrand Ballroom A–D
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GOOCHLAND TERRANE UNVEILED: USING AIRBORNE GEOPHYSICS TO REFINE GEOLOGIC MAPPING IN CENTRAL VIRGINIA
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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GEOLOGIC MAP OF THE COLUMBIA, CALEDONIA, AND SOUTH ANNA 7.5-MINUTE QUADRANGLES, CENTRAL VIRGINIA PIEDMONT - LEGACY MAPS COMPILED AS A GEMS GEODATABASE
T93 Geologic Maps and Their Derivatives (Posters)Monday, 10 October 20229:00 AM - 1:00 PMExhibit Hall F