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Activity

2025

• IT IS AN EXCITING TIME TO WORK FOR A STATE GEOLOGICAL SURVEY: TRENDS IN FUNDING, EMPLOYMENT, AND TECHNOLOGY IN THE MID-ATLANTIC REGION OF THE UNITED STATES
  25 D5. Progress towards energy transition geoscience in the southeast United States I
  Friday, 21 March 2025

  8:00 AM - 10:00 AM

  Alleghany B/C

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2017

• FACIES ASSOCIATION AND STRATIGRAPHIC RELATIONSHIP OF THE MARTINSBURG FORMATION AND THE REEDSVILLE FORMATION ALONG THE NORTHWESTERN EDGE OF THE GREAT VALLEY IN PENNSYLVANIA
  36 Stratigraphy (Posters)
  Monday, 20 March 2017

  8:00 AM - 12:00 PM

  Grand Ballroom, 17th Floor

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2016

• THE WILMINGTON COMPLEX-WISSAHICKON FM-CHESTER PARK GNEISS: LINKING NORTHERN AND SOUTHERN PERI-GONDWANAN(?) ORDOVICIAN MAGMATIC ARCS
  1 A New Look at Terrane Affinity of Old Rocks in Western New England: Peri-Laurentian or Peri-Gondwana?
  Monday, 21 March 2016

  8:00 AM - 10:00 AM

  Meeting Room 4

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2015

• THE CHESTER PARK GNEISS - A PERI-GONDWANAN TERRANE: NEW DETRITAL ZIRCON RESULTS FROM THE CENTRAL APPALACHIAN PIEDMONT
  T319 Mountains across the Oceans: Caledonian, Variscan, and Appalachian Orogenies through Time (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• GRAPTOLITES, CONODONTS, STRATIGRAPHY, AND STRUCTURE: MAPPING THE TACONIC FORELAND IN THE GREAT VALLEY OF PENNSYLVANIA
  T223 200 Years and Going Strong: The Role of Paleontology in Geologic Mapping (Posters)
  Tuesday, 3 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• 40AR/39AR DATING CONSTRAINTS ON THE METAMORPHIC AND COOLING HISTORIES OF THE BALTIMORE COMPLEX SOUTHWEST, WEST AND NORTH OF BALTIMORE, MARYLAND
  5 Structural Geology: Geometry and Kinematics from Mapping and Modeling
  Sunday, 1 November 2015

  8:00 AM - 12:00 PM

  Room 336
• DETRITAL ZIRCON EVIDENCE FOR EARLY PALEOZOIC SEDIMENT SOURCES ON THE LAURENTIAN MARGIN, EMPHASIS ON PENNSYLVANIA
  60 Updating the Orogen: Along-Strike Tectonic Correlations and Comparisons in the Northeastern Appalachians II
  Wednesday, 25 March 2015

  8:00 AM - 10:00 AM

  Grand Ballroom South

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2014

• CONSTRAINTS ON TIMING OF TERRANE ASSEMBLY IN THE CENTRAL APPALACHIAN PIEDMONT FROM 40AR/39AR THERMOCHRONOLOGY
  2 Tectonic Links between the Northern and Southern Appalachians
  Sunday, 23 March 2014

  8:00 AM - 12:00 PM

  Commonwealth Salon 3
• A TRAVERSE ACROSS THE PIEDMONT OF PENNSYLVANIA, DELAWARE, AND MARYLAND: THERMOCHRONOLOGIC CONSTRAINTS ON THE TIMING OF METAMORPHISM
  2 Tectonic Links between the Northern and Southern Appalachians
  Sunday, 23 March 2014

  8:00 AM - 12:00 PM

  Commonwealth Salon 3
• SILURO-DEVONIAN ASSEMBLY OF INTERNAL, HIGH GRADE CORE OF THE CENTRAL APPALACHIAN PIEDMONT
  2 Tectonic Links between the Northern and Southern Appalachians
  Sunday, 23 March 2014

  8:00 AM - 12:00 PM

  Commonwealth Salon 3

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2013

• SIGNIFICANCE OF DETRITAL ZIRCON AGES IN THE CENTRAL APPALACHIAN PIEDMONT OF SOUTHEASTERN PENNSYLVANIA AND NORTHERN DELAWARE
  T360 Modern Techniques, Models, and Interpretations of Ancient Orogens: 125 Years of Progress in Understanding the Grenville and Appalachian Orogens of Eastern North America (Posters)
  Wednesday, 30 October 2013

  9:00 AM - 6:30 PM

  Hall D
• 40AR/39 AR DATING OF WHITE MICAS ALONG THE SUSQUEHANNA RIVER IN THE PIEDMONT OF PENNSYLVANIA AND MARYLAND, AND POINTS EAST: A TRAVERSE ACROSS THE WESTMINSTER AND POTOMAC COMPOSITE TERRANES
  71 The History of Exhumation in the Appalachians from Orogenic to Glacial Rebound
  Wednesday, 20 March 2013

  8:00 AM - 10:10 AM

  Reagan Room

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2011

• TEXTURAL ANALYSIS OF A LARGE POPULATION OF SHRIMP- AND TIMS-DATED MONAZITE IN WISSAHICKON FM. MIGMATITE FROM YORKLYN, DELAWARE
  45 Advances in Defining Links between Deformation and Metamorphism
  Monday, 21 March 2011

  1:30 PM - 5:30 PM

  Allegheny

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2010

• DETRITAL ZIRCON AGES FROM THE WESTERN PIEDMONT OF PENNSYLVANIA: IMPLICATIONS FOR TERRANE BOUNDARIES AND THE EARLY PALEOZOIC LAURENTIAN MARGIN
  5 The Iapetan Rifted Margin and Rift History of Eastern Laurentia I
  Sunday, 14 March 2010

  8:00 AM - 12:05 PM

  Liberty B