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Activity

2025

• DIGITAL PRESERVATION OF PALEOZOIC ROCKS AND NEW METHODS FOR ANALYSIS, PRESERVATION, AND FUTURE REINTERPRETATION OF SEDIMENTARY ENVIRONMENTS
  6 Geologic Maps, Geophysical Maps, 3-D Geologic Models, Digital Mapping Techniques, Map Derivatives, and Digital Map Preparation (Posters)
  Thursday, 20 March 2025

  8:00 AM - 12:00 PM

  Shenandoah ABC

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2024

• NEW GEOLOGIC MAPPING IN MONROE COUNTY, WEST VIRGINIA: ORDOVICIAN TO MISSISSIPPIAN STRATIGRAPHY AND THE STRUCTURAL FRONT TRANSITION FROM THE SOUTHERN TO CENTRAL APPALACHIANS
  32 Interstate Collaboration in the Southeast US–State Geological Surveys Working Towards Stratigraphic and Lithologic Equivalencies to Address Mapping Discrepancies More Effectively I
  Tuesday, 16 April 2024

  8:00 AM - 12:00 PM

  Top of the Plaza
• SEASONAL INFLUENCE OF PRECIPITATION, SOIL MOISTURE, AND CAVE AIR CO2 ON THE STABLE OXYGEN AND CARBON ISOTOPIC COMPOSITION OF DRIP WATER IN GRAND CAVERNS, VIRGINIA
  19 Water Quality Issues in the Eastern U.S. II
  Monday, 15 April 2024

  1:30 PM - 3:30 PM

  Windsor Ballroom Salon B
• ADDRESSING STRUCTURAL AND STRATIGRAPHIC ISSUES WITHIN THE ROANOKE RECESS FOR SEAMLESS BEDROCK GEOLOGIC MAPPING IN THE LEWISBURG 30 X 60 MINUTE QUADRANGLE
  14 Geologic Maps, Geophysical Maps, 3-D Geological Models, Digital Mapping Techniques, Map Derivatives, and Digital Map Preparation (Posters)
  Monday, 15 April 2024

  8:00 AM - 12:00 PM

  Grand Ballroom

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2023

• ARE THE REEDSVILLE SHALE AND MARTINSBURG FORMATION EQUIVALENT OR SEPARATE UNITS? SORTING OUT A STRATIGRAPHIC CONUNDRUM ACROSS THE EAST-CENTRAL APPALACHIAN BASIN
  T61 Appalachian Paleozoic Stratigraphy and Tectonics: A Special Session to Honor the Career of Richard (Rick) Diecchio
  Sunday, 15 October 2023

  1:30 PM - 5:30 PM

  329
• AUTOMATED MAPPING OF HISTORIC APPALACHIAN MANGANESE OXIDE MINES USING CONVOLUTIONAL NEURAL NETWORKS APPLIED TO HIGH-RESOLUTION LIDAR DERIVATIVES
  T46 The Past, Present, and Future of the Digital Data Revolution and Its Effect on the Geosciences (Posters)
  Sunday, 15 October 2023

  8:00 AM - 5:30 PM

  Hall B
• ACHIEVING A COMMON STRATIGRAPHIC FRAMEWORK FOR SEAMLESS REGIONAL GEOLOGIC MAPPING IN THE NORTH-CENTRAL APPALACHIAN VALLEY AND RIDGE PROVINCE OF VIRGINIA, WEST VIRGINIA, MARYLAND, AND PENNSYLVANIA
  42 Small-Scale Geologic Mapping in the Northeastern U.S.: Addressing the USGS National Cooperative Geologic Mapping Program’s Goals for a Seamless, National 2D/3D Geologic Framework Model of the United States
  Sunday, 19 March 2023

  9:55 AM - 12:00 PM

  Lake Audubon
• APPROACHING A UNIFIED BASIN-SCALE LITHOSTRATIGRAPHIC FRAMEWORK FOR THE MIDDLE TO UPPER DEVONIAN CLASTIC UNITS OF THE CENTRAL APPALACHIAN VALLEY AND RIDGE PROVINCE
  39 Deciphering the Devonian World, from Biotic to Environmental Crises across the Globe
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Regency Ballroom A
• CORRELATING DEVONIAN TERRESTRIAL STRATA IN THE APPALACHIAN BASIN: CHALLENGES AND ISSUES
  39 Deciphering the Devonian World, from Biotic to Environmental Crises across the Globe
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Regency Ballroom A
• PIEDMONT TO PLATEAU: NEW HIGH-RESOLUTION AIRBORNE GEOPHYSICAL DATA OVER A TRANSECT OF THE APPALACHIAN PROVINCES
  23 Conventional and Unconventional Critical Mineral Resources in the Eastern United States
  Saturday, 18 March 2023

  8:00 AM - 12:00 PM

  Lake Audubon
• OPTIMIZED LIDAR-DERIVED TERRAIN IMAGERY FOR LANDFORM IDENTIFICATION, MAPPING AND CLASSIFICATION IN THE APPALACHIANS
  18 Mapping Surficial Deposits in the Appalachians: Field Methods, Digital Techniques, and Classification Strategies (Posters)
  Friday, 17 March 2023

  1:30 PM - 5:30 PM

  Grand Ballroom A–D
• PROGRESS TOWARDS A COMPILATION OF SURFICIAL MAP UNITS IN THE DELAWARE RIVER BASIN
  18 Mapping Surficial Deposits in the Appalachians: Field Methods, Digital Techniques, and Classification Strategies (Posters)
  Friday, 17 March 2023

  1:30 PM - 5:30 PM

  Grand Ballroom A–D
• FEATURE SPACE CONSIDERATIONS FOR GEOMORPHIC DEEP LEARNING USING DIGITAL TERRAIN VARIABLES
  1 D1. Sedimentary Geology, Paleontology, Geoarchaeology, and Landscapes
  Friday, 17 March 2023

  8:00 AM - 12:00 PM

  Lake Thoreau

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2022

• MAPPING CLOSED DEPRESSIONS IN THE KARST REGION OF NORTHWEST PUERTO RICO USING LIDAR-DERIVED ELEVATION DATA OBTAINED IN 2018 AFTER HURRICANE MARIA
  T62 Karst Processes and Speleology (Posters)
  Sunday, 9 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• SURFICIAL GEOLOGIC MAP COMPILATION WITHIN THE DELAWARE RIVER BASIN IN SUPPORT OF THE U.S. GEOFRAMEWORK INITIATIVE
  43 Implementing the U.S. Geological Survey National Cooperative Geologic Mapping Program’s U.S. GeoFramework Initiative: Constructing a Seamless, National 2D/3D Geologic Framework Model of the U.S.
  Tuesday, 22 March 2022

  8:00 AM - 12:00 PM

  Commonwealth Salon 1
• NEW REFERENCE SECTIONS IN VIRGINIA AND WEST VIRGINIA OF THE UPPER DEVONIAN FOREKNOBS FORMATION NEEDED FOR SEAMLESS MAPPING ACROSS STATE AND QUADRANGLE BOUNDARIES IN THE CENTRAL APPALACHIAN BASIN
  43 Implementing the U.S. Geological Survey National Cooperative Geologic Mapping Program’s U.S. GeoFramework Initiative: Constructing a Seamless, National 2D/3D Geologic Framework Model of the U.S.
  Tuesday, 22 March 2022

  8:00 AM - 12:00 PM

  Commonwealth Salon 1
• MAPPING SURFICIAL MATERIALS IN THE DELAWARE RIVER BASIN USING A DEEP LEARNING MODEL APPLIED TO HIGH-RESOLUTION LIDAR DATA
  15 Pleistocene to Modern Landforms and Change: Using Field and High-resolution Topographic Data to Unravel Landscape History and Quantify Change
  Sunday, 20 March 2022

  1:30 PM - 5:30 PM

  Commonwealth Salon 2

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2021

• SOME CONSIDERATIONS ON THE USE OF STABLE CARBON ISOTOPES AS TRACERS IN KARST AQUIFERS
  T206 Using Hydrochemistry to Conceptualize Relations between Recharge and Discharge in Karst Aquifers
  Wednesday, 13 October 2021

  8:00 AM - 12:00 PM

  A107–A109
• USING HIGH-RESOLUTION LIDAR AND DEEP LEARNING MODELS TO GENERATE MINIMUM THICKNESS MAPS OF SURFICIAL SEDIMENTS
  T71 Addressing Complex Problems in Hydrogeology with Big Data and Machine Learning
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  D135

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2020

• LONG-TERM DENUDATION RATES IN THE VIRGINIA VALLEY AND RIDGE ESTIMATED FROM 40AR/39AR DATING OF SUPERGENE MANGANESE OXIDE ORES
  52 Provenance of the Eastern North American Margin: From Triassic Rifting to Modern Sedimentation
  Sunday, 22 March 2020

  8:00 AM - 12:00 PM

  Lake Fairfax
• HOW SCHERR IS IT? STRATIGRAPHIC REVISION OF THE UPPER DEVONIAN GREENLAND GAP GROUP IN WEST VIRGINIA AND VIRGINIA BASED ON MAPPING WITH LIDAR-DERIVED ELEVATION IMAGERY
  17 Stratigraphic Problems and Solutions in the Appalachian Basin
  Friday, 20 March 2020

  3:25 PM - 5:30 PM

  Lake Audubon
• GEOLOGIC MAPPING AND STRATIGRAPHIC FRAMEWORK OF THE MISSISSIPPIAN GREENBRIER GROUP AND BLUEFIELD FORMATION IN THE MONROE COUNTY AREA OF WEST VIRGINIA
  17 Stratigraphic Problems and Solutions in the Appalachian Basin
  Friday, 20 March 2020

  3:25 PM - 5:30 PM

  Lake Audubon

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2019

• EVAPORITE KARST IN THE GREATER PERMIAN BASIN OF TEXAS, NEW MEXICO, OKLAHOMA, KANSAS, AND COLORADO: AN OVERVIEW AND AN UPDATE ON USGS NATIONAL KARST MAPPING
  T225 Evaporite Karst in the Greater Permian Evaporite Basin of Texas, New Mexico, Oklahoma, Kansas, and Colorado
  Tuesday, 24 September 2019

  1:30 PM - 5:30 PM

  Room 224B, North Building
• SORTING STRATIGRAPHIC SPAGHETTI IN THE CONTEXT OF GEOLOGIC MAPPING: EXAMPLES FROM MAPPING IN THE MISSISSIPPIAN GREENBRIER GROUP AND BLUEFIELD FORMATION OF THE CENTRAL APPALACHIAN BASIN
  T28 Geologic Maps and Their Derivatives (Posters)
  Sunday, 22 September 2019

  9:00 AM - 5:30 PM

  Hall AB, North Building
• DATING A MID-PLIOCENE AGGRADATIONAL EPISODE AND SUBSEQUENT RIVER INCISION IN THE SHENANDOAH VALLEY WITH COSMOGENIC 26AL AND 10BE
  T63 The New Appalachians: Cenozoic Deformation, Drainage Reorganization, and Landscape Disequilibrium in a Paleozoic Orogen
  Sunday, 22 September 2019

  1:30 PM - 5:30 PM

  Room 229A, North Building

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2018

• MAPPING KARST FEATURES FROM LIDAR-DERIVED ELEVATION MODELS IN MONROE COUNTY, WEST VIRGINIA
  T126 Karst Hazards and Monitoring
  Monday, 5 November 2018

  1:30 PM - 5:30 PM

  Room 130-131
• A PRELIMINARY MAP SHOWING THE DISTRIBUTION OF SOLUTION CAVES IN CARBONATE AND EVAPORITE-BEARING GEOLOGIC UNITS IN THE UNITED STATES
  T126 Karst Hazards and Monitoring
  Monday, 5 November 2018

  1:30 PM - 5:30 PM

  Room 130-131
• 40AR/39AR AGES OF MANGANESE OXIDE ORES IN SURFICIAL AND BEDROCK DEPOSITS OF THE CENTRAL APPALACHIAN MOUNTAINS
  32 Geomorphic Anomalies and Underlying Geologic Controls Identified from Surficial and Bedrock Mapping, Southeastern United States
  Friday, 13 April 2018

  1:30 PM - 5:30 PM

  Room 300 D

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2016

• A DEEP-TIME APPRECIATION OF KARST FROM MINNESOTA TO THE MID-ATLANTIC: HONORING THE IDEAS OF CALVIN ALEXANDER
  T190 Advances in Cave and Karst: A Tribute to the Distinguished Career of E. Calvin Alexander Jr.
  Tuesday, 27 September 2016

  8:00 AM - 12:00 PM

  Room 504
• TEMPORAL VARIATIONS IN DISCHARGE AND CHEMISTRY AT CAVE DRIPS IN GRAND CAVERNS, VIRGINIA
  30 Undergraduate Research: In Honor of Mike Higgins (Posters)
  Friday, 1 April 2016

  8:00 AM - 5:30 PM

  Exhibit Hall

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2015

• DEPOSITION AND EROSION OF AN APPALACHIAN TUFA DEPOSIT: HYDROLOGIC RESPONSE TO CLIMATE CHANGE?
  T335 Geological Interactions within the Global Carbon Cycle
  Wednesday, 4 November 2015

  1:30 PM - 5:30 PM

  Room 345/346
• 3-D STRAIN ANALYSIS AND STRUCTURAL DEVELOPMENT OF THE CHILHOWEE GROUP IN THE WESTERN BLUE RIDGE PROVINCE NEAR FRONT ROYAL, VIRGINIA
  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
• USING GEOPHYSICS TO MAP BEDROCK FAULTS, DIKES, AND SURFICIAL GEOLOGY IN RELATION TO KARST FEATURES IN THE BRIERY BRANCH QUADRANGLE, ROCKINGHAM COUNTY, VIRGINIA
  T57 Utilizing 2-D and 3-D Near-Surface Geophysics to Generate Improved Surface and Subsurface Geologic Maps
  Sunday, 1 November 2015

  1:30 PM - 5:30 PM

  Room 322/323

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2014

• EVIDENCE FOR THE YOUNGER DRYAS AND DANSGAARD-OESCHGER EVENTS FROM STALAGMITES IN THE MID-ATLANTIC REGION OF THE EASTERN UNITED STATES
  T287 Speleothem Records of Climate Change in North America
  Wednesday, 22 October 2014

  8:00 AM - 12:00 PM

  215/216
• GEOLOGIC FACTORS INFLUENCING SHALLOW AND DEEP KARST FORMATION IN THE SHENANDOAH VALLEY, VIRGINIA
  6 Karst and Caves
  Thursday, 10 April 2014

  8:00 AM - 12:00 PM

  Cascades
• KEEPING YOUR EYE ON THE PRIZE - DIGITAL BEDROCK GEOLOGIC MAPPING TECHNIQUES IN THE EASTERN REGION OF THE USGS
  34 Embracing Digital Technologies and the Geoweb: The Changing Philosophies and Practices of Geologic Mapping II
  Monday, 24 March 2014

  8:00 AM - 12:00 PM

  Commonwealth Salon 4

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2013

• NATIONAL-SCALE KARST MAPPING IN THE UNITED STATES: PAST, PRESENT AND FUTURE
  T72 125 Years Underground: A Retrospective and Prospective of Cave and Karst Research
  Sunday, 27 October 2013

  1:00 PM - 5:00 PM

  Room 502
• AN EVALUATION OF DIEL BIOGEOCHEMICAL CYCLES AND CALCITE PRECIPITATION IN A TUFA DEPOSITING STREAM
  36 Applications of Tracers in Geology, Hydrology, and Environmental Sciences (Posters)
  Thursday, 21 March 2013

  8:00 AM - 5:30 PM

  San Cristobal Ballroom

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2012

• USING ECOREGIONAL BOUNDARIES TO ORGANIZE UNITED STATES KARST AREAS AT THE REGIONAL SCALE
  T163 The Evolution of Karst Landscapes through Time in Response to Changing Hydrologic, Geomorphic, and Tectonic Conditions (Posters)
  Tuesday, 6 November 2012

  9:00 AM - 6:00 PM

  Hall B
• OCCURRENCE OF CALCAREOUS BAUXITE-LIKE CLAY IN A CAVE IN THE SHENANDOAH VALLEY, VIRGINIA
  11 Hydrogeology and Geomorphology of Carbonate Aquifers in the Southeastern United States
  Sunday, 1 April 2012

  1:30 PM - 5:00 PM

  Windsor Ballroom, Salon 2
• LATE CRETACEOUS THROUGH MODERN GENESIS OF KARST IN THE APPALACHIAN GREAT VALLEY
  11 Hydrogeology and Geomorphology of Carbonate Aquifers in the Southeastern United States
  Sunday, 1 April 2012

  1:30 PM - 5:00 PM

  Windsor Ballroom, Salon 2

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2011

• VISUALIZATION OF A GEOLOGIC MAP WITHIN GOOGLE EARTH: THE WHITE HALL 7.5 MINUTE QUADRANGLE, VIRGINIA AND WEST VIRGINIA
  T115 Virtual Reality in Geoscience Education I (Digital Posters)
  Monday, 10 October 2011

  9:00 AM - 6:00 PM

  Hall C
• MULTI-RESOLUTION GEOPHYSICAL INVESTIGATIONS AND GEOLOGIC MAPPING OF A MANTLED KARST AQUIFER, BRIERY BRANCH QUADRANGLE, VIRGINIA, USA
  T51 Combining Geology and Geophysics
  Sunday, 9 October 2011

  1:30 PM - 5:30 PM

  Room 101H-J

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2010

• SOURCES OF FLOW TO A SPRING IN A FRACTURED AND KARSTIC AQUIFER: THE COMBINED USE OF ARTIFICIAL AND GEOCHEMICAL TRACERS
  T129 Flow in Fractured and Karstic Aquifers: Models and Methods
  Monday, 1 November 2010

  1:30 PM - 5:30 PM

  Mile High Ballroom 1AB
• HYDROLOGIC RESPONSES IN EPIKARST: A COMPARATIVE STUDY BETWEEN VIRGINIA AND TEXAS
  T129 Flow in Fractured and Karstic Aquifers: Models and Methods
  Monday, 1 November 2010

  1:30 PM - 5:30 PM

  Mile High Ballroom 1AB
• MONTH-SCALE RESIDENCE TIME OF VADOSE ZONE STORAGE ESTIMATED THROUGH HYDROLOGIC AND GEOCHEMICAL MONITORING OF CAVE DRIP WATERS, MINNESOTA, U.S.A
  26 Karst Hydrogeologic Systems of the Central United States and Northern Mexico
  Monday, 12 April 2010

  1:30 PM - 5:15 PM

  Short Creek 2
• QUANTIFIABLE CHARACTERISTICS FOR A STATISTICAL APPROACH TOWARD KARST CLASSIFICATION
  26 Karst Hydrogeologic Systems of the Central United States and Northern Mexico
  Monday, 12 April 2010

  1:30 PM - 5:15 PM

  Short Creek 2
• INTERACTION BETWEEN QUICK AND DIFFUSE FLOW IN A KARST AQUIFER REVEALED THROUGH DYE TRACING TO FAY AND SEMPELES SPRINGS IN WINCHESTER, VIRGINIA
  64 Interaction between Shallow and Deep Karst: Geologic, Hydrologic, Geochemical, and Biologic Indicators
  Tuesday, 16 March 2010

  8:00 AM - 12:05 PM

  Liberty A

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2009

• EPIKARST ROLE IN CONTROLLING THE QUALITY OF KARST AQUIFER RECHARGE
  T127 Recent Advances in the Conceptualization, Characterization, and Interpretation of Fluid Movement and Transport Dynamics in Fractured and Karst Aquifers
  Monday, 19 October 2009

  1:30 PM - 5:30 PM

  D137/138

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2008

• Geologic and Geomorphic Controls on Karst Conduit Development and Drainage Rearrangement in Burnsville Cove, Bath County, Virginia
  299 Geomorphology (Posters)
  Wednesday, 8 October 2008

  8:00 AM - 6:00 PM
• A Proposed Hypogenic Origin of Karst in the Shenandoah Valley, Virginia and West Virginia
  T240 Hypogenic Karst: Shedding Light on Once Poorly Understood Hydrologic and Morphologic Features
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM
• Characterizing Epikarst Hydrogeology Using Integrated Hydrologic, Geochemical and Biological Approaches
  T217 Innovative Methods for Investigating Flow and Transport in Karst Systems II
  Monday, 6 October 2008

  1:30 PM - 5:30 PM

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2007

• GEOLOGIC CONTROLS ON KARST AQUIFER FUNCTION AS REFLECTED IN HYDROGRAPHS AND CHEMOGRAPHS: RELATING RECESSION COEFFICIENTS TO FLOW REGIMES, CHEMICAL LOADS, AND FRACTAL DIMENSIONS
  T191 Geologic Controls on Chemical Migration in Fractured and Carbonate Aquifers I
  Wednesday, 31 October 2007

  8:00 AM - 12:00 PM
• ESTIMATING KARST CONDUIT LENGTH USING CONDUCTIVITY AND DISCHARGE MEASUREMENTS IN LILBURN CAVE, KINGS CANYON NATIONAL PARK, CALIFORNIA
  T139 Geology in the National Parks: Research, Mapping, and Resource Management
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM

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2004

• CARBON ISOTOPES AS TRACERS OF GROUNDWATER AND SOIL WATER CONTRIBUTIONS TO STREAMFLOW IN A FORESTED HEADWATER CATCHMENT
  T136 Innovative Tracer Applications in Hydrogeology: New Techniques, Design and Interpretation Methods, and Case Studies I
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM

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Date Unknown

• STRUCTURAL CONTROL OF SPRING LOCATIONS IN THE NORTHERN SHENANDOAH VALLEY, VIRGINIA AND WEST VIRGINIA: INTERPRETATION OF GEOLOGIC CONTROLS ON GROUND-WATER FLOW PATHS IN FOLDED AND FAULTED CARBONATE ROCKS
  39 Geologic Maps, Digital Geologic Maps, and Derivatives from Geologic Maps (Posters)