Gale Blackmer
Bureau of Topographic and Geologic Survey, Middletown, PA
Activity
2012
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DETRITAL ZIRCON AGES FROM THE WISSAHICKON FORMATION, SOUTHEAST PENNSYLVANIA AND NORTHERN DELAWARE: REGIONAL TECTONIC IMPLICATIONS
34 Future Directions in Appalachian Tectonics: Building on Recent Lithotectonic Syntheses IIMonday, 19 March 20121:30 PM - 5:30 PMCapital Rooms 2 & 3
2007
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RETROGRADE METAMORPHISM OF THE GLENARM WISSAHICKON IN SOUTHEAST PENNSYLVANIA
T117 Sigma Gamma Epsilon Undergraduate Research (Posters)Monday, 29 October 20071:30 PM - 5:30 PM
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DATA MANAGEMENT IN PENNSYLVANIA'S STATEMAP PROGRAM
T58 Geologic Mapping: Innovations and Interoperability (Posters)Sunday, 28 October 20076:00 PM - 8:00 PM
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CONTRASTING METAMORPHIC HISTORIES WITHIN THE WISSAHICKON FORMATION: EVIDENCE FOR SUBDIVISION AND TECTONIC IMPLICATIONS
39 Petrology and Mineralogy (Posters)Tuesday, 13 March 20071:00 PM - 4:45 PM
2006
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STRUCTURAL AND TEMPORAL INTERPRETATIONS OF THE WISSAHICKON FORMATION: THE FIRST 100 YEARS
120 History of Geology Division and History of the Earth Sciences Society Anniversary CelebrationTuesday, 24 October 20068:00 AM - 12:00 PM
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IS THE AVONDALE MASSIF PALEOZOIC? NEW INSIGHTS FROM SHRIMP ZIRCON AND U-TH-TOTAL PB MONAZITE AGES
T80 Minerals, Melts, Fluids, and the Evolution of Mountain Belts I: A Tribute to Maria Luisa CrawfordMonday, 23 October 20068:00 AM - 12:00 PM
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THE EMBREEVILLE THRUST AND STREET ROAD FAULT: CONVERGENT TECTONICS IN THE CENTRAL APPALACHIAN PIEDMONT, SE PENNSYLVANIA
41 Metamorphic Rocks and Shear Zones: Stitching Together Appalachian TerranesWednesday, 22 March 20068:00 AM - 12:00 PM
2005
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DIVIDING THE WISSAHICKON FORMATION IN THE PENNSYLVANIA-DELAWARE PIEDMONT - A PROGRESS REPORT
21 New Models of Appalachian Tectonics Inspired by Geochronology: 3rd Annual NETectonics Session IITuesday, 15 March 20051:00 PM - 3:40 PM
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A SILURIAN AGE FOR THE SPRINGFIELD GRANODIORITE: TECTONIC AND METAMORPHIC IMPLICATIONS FOR THE CENTRAL APPALACHIAN PIEDMONT
21 New Models of Appalachian Tectonics Inspired by Geochronology: 3rd Annual NETectonics Session IITuesday, 15 March 20051:00 PM - 3:40 PM
2004
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GEOCHEMISTRY: A TOOL FOR MAPPING METASEDIMENTARY ROCKS?
9 Geochemistry (Posters)Thursday, 25 March 20048:00 AM - 12:00 PM
Date Unknown
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THE NATURE OF THE SETTERS FORMATION IN THE PENNSYLVANIA PIEDMONT
29 Tectonics (Posters)
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THE WISSAHICKON FORMATION - A PERSISTENT PROBLEM IN THE CENTRAL APPALACHIAN PIEDMONT
34 Paleozoic Tectonics of the Northern Appalachian Mountains: New Insights and Persistent Problems: First Annual NETectonics Symposium (Posters)
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TIMING OF METAMORPHISM AND DEFORMATION IN SOUTHEASTERN PENNSYLVANIA AND NORTHERN DELAWARE
30 Structural Geology and Tectonics (Posters)
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THOUGHTS ON THE EARLY PALEOZOIC TECTONIC SETTING OF THE PENNSYLVANIA PIEDMONT
18 Tectonics, Structural Geology, and Geophysics (Posters)
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AMPHIBOLITE GEOCHEMISTRY IN THE WISSAHICKON FORMATION, PHILADELPHIA, PA: NEW RESULTS AND IMPLICATIONS FOR WILMINGTON COMPLEX – LAURENTIA COLLISION
19 Orogenesis and Arc Collisions: From Models to Observations of Modern and Ancient Orogens (Posters)
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METAMORPHISM AND DEFORMATION OF THE GLENARM WISSAHICKON IN SE PENNSYLVANIA PIEDMONT
15 Precambrian Geology, Petrology, and Mineralogy (Posters)