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Activity

2025

• PRELIMINARY BEDROCK GEOLOGIC MAP OF THE SOUTHERN HALF OF THE STAMFORD 7.5-MINUTE QUADRANGLE IN SOUTHWESTERN CONNECTICUT
  42 Mapping in the Geosciences: Processes and Products
  Sunday, 30 March 2025

  8:30 AM - 2:30 PM

  North Great Hall
• A LAMPROPHYRE DISTRICT IN THE MESOZOIC HARTFORD BASIN OF CONNECTICUT
  42 Mapping in the Geosciences: Processes and Products
  Sunday, 30 March 2025

  8:30 AM - 2:30 PM

  North Great Hall
• QUANTIFYING RADIATION DAMAGE IN LOW ALPHA DOSE ZIRCON
  2 Petrotectonic Processes in Convergent Margins: Insights from Laurentia and Beyond
  Friday, 28 March 2025

  8:00 AM - 12:00 PM

  120
• FROM COLLISION TO EXTENSION: THE TIMING OF EXHUMATION, UPLIFT AND RIFTING IN VIRGINIA'S EASTERN PIEDMONT
  10 Metamorphic and Deformational Processes in Collisional Zones
  Thursday, 20 March 2025

  10:30 AM - 12:00 PM

  Appalachian B

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2024

• ION EXCHANGE PROCESSES FOR CO2 MINERALIZATION USING INDUSTRIAL WASTE STREAMS
  T133 Use of Oil and Gas Production Wastes Outside the Oil Field: Lab, Field, and Modeling Studies of Potential Impacts
  Monday, 23 September 2024

  1:30 PM - 5:30 PM

  211B
• 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 Studies
  Tuesday, 16 April 2024

  10:20 AM - 12:00 PM

  Windsor Ballroom Salon A
• 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 Studies
  Tuesday, 16 April 2024

  10:20 AM - 12:00 PM

  Windsor Ballroom Salon A
• CORRELATION OF EASTERN BLUE RIDGE LITHOSTRATIGRAPHY ACROSS THE NORTH CAROLINA­–VIRGINIA BORDER: ASHE METAMORPHIC SUITE AND LYNCHBURG GROUP
  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
• 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 Canada
  Tuesday, 19 March 2024

  8:00 AM - 12:00 PM

  Pemigewasset Room
• GEOCHEMICAL AND TECTONIC EVOLUTION OF THE ORDOVICIAN BRONSON HILL ARC AND SILURIAN AND DEVONIAN CONNECTICUT VALLEY TROUGH: EASTERN VERMONT AND WESTERN NEW HAMPSHIRE, USA
  19 Unraveling Appalachian Orogenic Events Using Geological and Geophysical Methods
  Monday, 18 March 2024

  8:00 AM - 12:00 PM

  Merrimack Room
• 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. Barr
  Sunday, 17 March 2024

  8:00 AM - 12:00 PM

  Pemigewasset Room

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2023

• RADIUM MINERAL ASSOCIATIONS WITHIN ABANDONED MINE DRAINAGE RELEVANT TO THE FUTURE OF CRITICAL MINERAL EXTRACTION
  T213 Characterization of Critical Metals in Unconventional Ores to Inform Recovery Potential
  Wednesday, 18 October 2023

  8:00 AM - 12:00 PM

  324
• TELLURIUM BEHAVIOR IN HISTORICAL MINE TAILINGS
  T213 Characterization of Critical Metals in Unconventional Ores to Inform Recovery Potential
  Wednesday, 18 October 2023

  8:00 AM - 12:00 PM

  324
• GERMANIUM AND GALLIUM ENRICHMENT OF ZNS POLYMORPHS IN ZN ORE: IMPLICATIONS FOR BYPRODUCT CRITICAL MINERAL RECOVERY FROM MVT DEPOSITS
  T213 Characterization of Critical Metals in Unconventional Ores to Inform Recovery Potential
  Wednesday, 18 October 2023

  8:00 AM - 12:00 PM

  324
• STRAIN LOCALIZATION BY REACTION AND TEXTURAL SOFTENING IN A RETROGRADE ALLEGHANIAN DUCTILE SHEAR ZONE, SOUTHERN CONNECTICUT
  T203 Exploring Strain Partitioning and Kinematic Evolution of the Lithosphere II: In Honor of Micah Jessup
  Tuesday, 17 October 2023

  1:30 PM - 5:30 PM

  326
• PRELIMINARY CHARACTERIZATION OF A POTENTIAL MESOZOIC SANIDINE MONITOR STANDARD FOR 40AR/39AR GEOCHRONOLOGY
  T128 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution II
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  327
• SERPENTINE MINERALOGY OF THE TAMARACK MAGMATIC NI-CU-CO-PGM SULFIDE DEPOSIT, MINNESOTA
  T118 Critical Research on Critical Minerals in Western North America II
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  324
• INSIGHTS INTO GLENDONITE FORMATION FROM THE OLIGOCENE SAGAVANIRKTOK FORMATION, NORTH SLOPE, ALASKA
  T86 Advances and New Voices in Marine and Coastal Geoscience
  Monday, 16 October 2023

  8:00 AM - 12:00 PM

  325
• NEW GEOCHRONOLOGY FROM THE EASTERNMOST PIEDMONT AND COASTAL-PLAIN BASEMENT IN VIRGINIA AND MARYLAND
  40 Alleghanian Overprinting of Pre-Alleghanian Accreted Terranes
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Regency Ballroom B
• NEW GEO- AND THERMOCHRONOLOGICAL CONSTRAINTS ON THE ARCHITECTURE AND EVOLUTION OF THE SUWANNEE TERRANE, FLORIDA, USA
  40 Alleghanian Overprinting of Pre-Alleghanian Accreted Terranes
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Regency Ballroom B
• ALLEGHANIAN OVERPRINTING OF ACADIAN METAPELITES BY DISSOLUTION-PRECIPITATION CREEP IN THE RETROGRADE EAST DERBY SHEAR ZONE
  40 Alleghanian Overprinting of Pre-Alleghanian Accreted Terranes
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Regency Ballroom B
• BEHAVIOR OF TELLURIUM IN SURFICIAL MINE TAILINGS
  47 D9. Energy Geology and Environmental Geoscience (Posters)
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Grand Ballroom A–D
• ESTABLISHMENT OF A MODERN 1:24,000-SCALE BEDROCK GEOLOGIC MAP FRAMEWORK FOR THE ADIRONDACK HIGHLANDS AND CHAMPLAIN VALLEY, NEW YORK AND VERMONT
  37 Mapping in the Geosciences: Processes and Products (Posters)
  Saturday, 18 March 2023

  1:30 PM - 5:30 PM

  Grand Ballroom A–D
• PRELIMINARY BEDROCK GEOLOGIC MAP AND RELATED STUDIES OF THE ROXBURY AND WOODBURY 7.5-MINUTE QUADRANGLES, WESTERN CONNECTICUT UPLANDS
  37 Mapping in the Geosciences: Processes and Products (Posters)
  Saturday, 18 March 2023

  1:30 PM - 5:30 PM

  Grand Ballroom A–D
• GEOLOGIC MAP OF THE SPARTA EAST, SPARTA WEST, AND PARTS OF THE GLADE VALLEY AND WHITEHEAD 7.5-MINUTE QUADRANGLES, NORTH CAROLINA AND VIRGINIA, AND THE EPICENTRAL AREA OF THE AUGUST 2020 MW 5.1 EARTHQUAKE NEAR SPARTA, NC
  36 Geologic Maps, Geophysical Maps, 3-D Geological Models, Digital Mapping Techniques, Map Derivatives, and Digital Map Preparation (Posters)
  Saturday, 18 March 2023

  1:30 PM - 5:30 PM

  Grand Ballroom A–D
• NEOPROTEROZOIC DIKES OF THE NORTHEASTERN ADIRONDACK MOUNTAINS
  12 The Grenville Orogen in Eastern North America
  Friday, 17 March 2023

  1:30 PM - 5:30 PM

  Regency Ballroom A
• BEDROCK GEOLOGIC MAPPING IN THE ADIRONDACK HIGHLANDS, NEW YORK
  12 The Grenville Orogen in Eastern North America
  Friday, 17 March 2023

  1:30 PM - 5:30 PM

  Regency Ballroom A

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2022

• VERTIGO: MAKING SENSE OF DISEQUILIBRIUM AT THE BRITTLE-DUCTILE TRANSITION
  T217 New Insights into the Evolution and Geodynamics of Metamorphic Core Complexes in North America and Around the World
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  507
• GERMANIUM REDISTRIBUTION DURING WEATHERING OF ZN MINE WASTES: IMPLICATIONS FOR ENVIRONMENTAL MOBILITY AND RECOVERY OF A CRITICAL MINERAL
  T254 Metal Recovery and Remediation at Hard Rock Legacy Mine Sites
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  607
• ENVIRONMENTAL BEHAVIOR OF TELLURIUM IN MINE TAILINGS
  265 D3. Recent Advances in Economic Geology (Posters)
  Wednesday, 12 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• CHARACTERIZATION AND AGE OF PSEUDOTACHYLITES AT THE MARGIN OF THE TAYLORSVILLE MESOZOIC RIFT BASIN, VA
  T116 Charting Soils at the Atomic Scale II: A Tribute to the Careers of David L. Bish and Jeffrey E. Post
  Monday, 10 October 2022

  1:30 PM - 5:30 PM

  607
• QUANTIFYING STRAIN AND CONSTRAINING THE DEFORMATION TIMING IN NEOPROTEROZOIC GLACIOGENIC STRATA FROM JEBEL AKHDAR, NORTHERN OMAN
  T110 Deformation Zones in Time and Space II: A Celebration of the Career of Steven Wojtal
  Monday, 10 October 2022

  1:30 PM - 5:30 PM

  207
• 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. Post
  Monday, 10 October 2022

  1:30 PM - 5:30 PM

  607
• LONG-LIVED CRUSTAL DEFORMATION AND REACTIVATION IN THE EASTERN BLUE RIDGE NEAR SPARTA, NC
  T3 Crustal Deformation: How and When? Linking Long-Term Landscape Signatures with Earthquakes and Seismic Hazard
  Sunday, 9 October 2022

  8:00 AM - 12:00 PM

  507
• THREE PALEOZOIC APPALACHIAN OROGENIES IN THE SOUTHERN APPALACHIAN CRYSTALLINE CORE: BOXES WITH BROKEN EDGES?
  14 Appalachian Orogenies: When and How Do They Start and End?
  Thursday, 7 April 2022

  1:30 PM - 5:30 PM

  North Meeting Room 212
• UNRAVELING LOW-TEMPERATURE COOLING IN THE BLUE RIDGE, VA AND NC, THROUGH 40AR/39AR ANALYSIS AND GRAIN-SCALE CHARACTERIZATION OF K-FELDSPAR
  14 Appalachian Orogenies: When and How Do They Start and End?
  Thursday, 7 April 2022

  1:30 PM - 5:30 PM

  North Meeting Room 212
• THE ALLEGHANIAN TECTONIC SETTING OF THE ACADIAN HIGHLANDS OF WESTERN CONNECTICUT REVEALED BY PERMIAN INTRUSIVE FELSITES
  26 Tectonic Evolution of Eastern North America: Insights from Geology and Geophysics
  Monday, 21 March 2022

  8:00 AM - 12:00 PM

  Commonwealth Salon 4
• THE SYENITE AT SOUTHFORD FALLS: ANOTHER PERMIAN INTRUSION IN WESTERN CONNECTICUT
  2 Celebrating Allan Ludman’s First 56 Field Seasons in Maine I: What Do We Know of Northern Appalachian Geology and What Questions Remain?
  Sunday, 20 March 2022

  8:00 AM - 12:00 PM

  Commonwealth Salon 4
• ARGON DATING CONSTRAINTS ON THE AGE AND COOLING HISTORY OF PRE-CRETACEOUS BASEMENT ROCKS BENEATH THE MID-ATLANTIC COASTAL PLAIN OF MARYLAND AND VIRGINIA
  14 Celebrating Allan Ludman’s First 56 Field Seasons in Maine II: What Do We Know of Northern Appalachian Geology and What Questions Remain?
  Sunday, 20 March 2022

  1:30 PM - 5:30 PM

  Commonwealth Salon 4

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2021

• QUANTIFYING RADIATION DAMAGE USING CATHODOLUMINESCENCE, PHOTOLUMINESCENCE, AND RAMAN SPECTROSCOPY ON ZIRCONS FROM THE COAST RANGE OPHIOLITE AND SIERRA NEVADA BASEMENT: IMPLICATIONS FOR THE THERMAL HISTORY OF BASEMENT ROCKS AND THE OVERLYING GREAT VALLEY FOREARC BASIN, NORTHERN CALIFORNIA
  T162 Initiation and Evolution of Arc-Forearc Systems in Cascadia and Beyond (Posters)
  Tuesday, 12 October 2021

  9:00 AM - 1:00 PM

  Exhibit Hall A
• SHRIMP U-PB ZIRCON GEOCHRONOLOGY FROM THE GLOBE MASSIF AND CONNECTIONS WITH THE FRENCH BROAD MASSIF
  11 D3. Southern Appalachian and Analogous Terranes I
  Friday, 2 April 2021

  8:00 AM - 12:00 PM

  FMR, Inc. Room
• GEOCHRONOLOGY OF PALEOZOIC ROCKS OF THE DINWIDDIE TERRANE, CENTRAL-EASTERN VIRGINIA PIEDMONT, USA
  16 D3. Southern Appalachian and Analogous Terranes II
  Friday, 2 April 2021

  1:30 PM - 5:30 PM

  FMR, Inc. Room
• GEOLOGY OF THE CHERRY HILL 7.5-MINUTE QUADRANGLE, VIRGINIA
  4 Eastern Activities of the USGS Earth Mapping Resources Initiative: Results and Progress of Phases I, II, and III Critical Minerals Research
  Thursday, 1 April 2021

  8:00 AM - 12:00 PM

  FMR, Inc. Room
• PERMIAN HIGH-TEMPERATURE HYDROTHERMAL VEINS AND AMPHIBOLITE METASOMATISM IN SOUTHWESTERN CONNECTICUT – EVIDENCE FOR THEIR ASSOCIATION WITH ALLEGHENIAN INTRUSIVES
  17 D3. Petrology, Tectonics, and Structural Geology
  Monday, 15 March 2021

  1:30 PM - 5:30 PM

  Windsor

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2020

• BREAKING UP IS HARD TO DO: A SUMMARY OF FIELD RELATIONS AND GEOCHRONOLOGY OF LATE TONIAN TO CRYOGENIAN INTRACONTINENTAL RIFTING OF RODINIA IN THE SOUTHERN APPALACHIAN BLUE RIDGE
  T198 Assembling Laurentia: Paleozoic Mobile Margins I
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• INNOVATIONS IN ORGANIC PETROGRAPHY AS INFLUENCED BY AND ADAPTED TO THE ‘SHALE REVOLUTION’
  T217 The Unconventional Shale Systems: From Source-Rocks to Reservoirs II
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• AN EARLY AND HOT ALLEGHANIAN OROGENY IN THE EASTERN BLUE RIDGE OF THE SOUTHERN APPALACHIANS
  T160 From Rodinia to Pangea: Evolution of the Appalachian-Caledonian Orogen II
  Wednesday, 28 October 2020

  5:30 PM - 8:00 PM

  Meeting Rooms
• NEW AGE CONTROLS ON THE PETERSBURG TERRANE, CENTRAL-EASTERN VIRGINIA PIEDMONT
  61 D20. Structural Geology, Microstructures, and Geochronology
  Sunday, 22 March 2020

  1:30 PM - 5:30 PM

  Lake Fairfax
• IS THE HARRISON GNEISS IN SOUTHWESTERN CONNECTICUT VOLCANIC OR PLUTONIC? A NEW SHRIMP U-PB ZIRCON AGE AND A SUMMARY OF FIELD RELATIONS
  60 Appalachian Petrology: A Session to Honor the Career of Dr. Robert J. Tracy (Posters)
  Sunday, 22 March 2020

  8:00 AM - 12:00 PM

  Grand Ballroom A–D
• 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
• BEDROCK GEOLOGIC FRAMEWORK OF THE 2011 M5.8 MINERAL, VA EARTHQUAKE
  55 Deciphering Active Tectonics and Seismic Hazard in Eastern North America
  Sunday, 22 March 2020

  8:00 AM - 12:00 PM

  Regency Ballroom A
• HOW THE ALLEGHANIAN OROGENY REVEALS INSIGHTS ON THE ORIGIN OF THE EARLY MESOZOIC HARTFORD BASIN
  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
• NEW SHRIMP U-PB GEOCHRONOLOGY FROM THE GLOBE MASSIF, GRANDFATHER MOUNTAIN WINDOW, NC
  28 The Grenville Orogen in Eastern North America
  Saturday, 21 March 2020

  8:00 AM - 12:00 PM

  Regency Ballroom B
• TECTONIC IMPLICATION OF NEW U-PB ZIRCON AGES IN THE BRONSON HILL ARC: WESTERN NEW HAMPSHIRE, USA
  43 Appalachian Petrology: A Session to Honor the Career of Dr. Robert J. Tracy
  Saturday, 21 March 2020

  1:30 PM - 5:30 PM

  Lake Fairfax
• DETAILED ANALYSIS OF X-RAY DIFFRACTION DATA TO RESOLVE MULTIPLE POPULATIONS OF A SINGLE MINERAL: APPLICATIONS IN INTERPRETING THERMOCHRONOLOGIC, STRUCTURAL, AND SEDIMENTOLOGICAL DATA
  9 D12. Mineralogy/Crystallography (Posters)
  Friday, 20 March 2020

  8:00 AM - 12:00 PM

  Grand Ballroom A–D
• PRELIMINARY U-PB GEOCHRONOLOGY OF PROTEROZOIC AND PALEOZOIC ROCKS BENEATH THE ATLANTIC COASTAL PLAIN FROM MARYLAND TO SOUTH CAROLINA
  3 The Appalachians, from North to South, from Crust to Mantle I
  Friday, 20 March 2020

  8:00 AM - 12:00 PM

  Regency Ballroom B
• THE ALLEGHANIAN OROGENY IN THE EASTERN BLUE RIDGE: EARLIER AND HOTTER THAN PREVIOUSLY RECOGNIZED
  14 The Appalachians, from North to South, from Crust to Mantle II
  Friday, 20 March 2020

  1:30 PM - 5:30 PM

  Regency Ballroom B

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2019

• NEW AGE CONTROLS ON THE EMPLACEMENT OF THE PETERSBURG GRANITE AND ON THE ROCKS INTO WHICH IT INTRUDES, CENTRAL-EASTERN VIRGINIA PIEDMONT, USA
  32 Gondwana vs. Laurentia: Terrane Accretion and Crustal Growth in the Southeastern United States
  Friday, 29 March 2019

  8:15 AM - 12:00 PM

  Colonial Ballroom
• INVESTIGATING PRE-CRETACEOUS BASEMENT ROCKS BENEATH THE SOUTHEASTERN U.S. COASTAL PLAIN
  32 Gondwana vs. Laurentia: Terrane Accretion and Crustal Growth in the Southeastern United States
  Friday, 29 March 2019

  8:15 AM - 12:00 PM

  Colonial Ballroom
• THE SOUTHERN APPALACHIAN BLUE RIDGE: A NATURAL LABORATORY TO EXAMINE CONCEPTUAL MODELS OF FAULT ZONES AT DIFFERENT CRUSTAL LEVELS
  25 Recent Advances and New Approaches in the Study of Faults and Shear Zones in Orogenic Systems
  Thursday, 28 March 2019

  2:00 PM - 3:00 PM

  Pinckney Room
• REACTION SOFTENING AND THE AGE OF THE BLUE RIDGE THRUST: #STRUCTURALPETROLOGY
  1 Geology, Structure, Geochronology, and Tectonics in Southern New England I: An Eclectic Session in Honor of Robert P. Wintsch
  Sunday, 17 March 2019

  8:00 AM - 12:00 PM

  New Hampshire Room
• EARLY SILURIAN IGNEOUS U-PB ZIRCON AGES IN COVER ROCKS CONSTRAIN TIMING OF TECTONIC EVENTS WEST OF THE WATERBURY DOME, CT
  1 Geology, Structure, Geochronology, and Tectonics in Southern New England I: An Eclectic Session in Honor of Robert P. Wintsch
  Sunday, 17 March 2019

  8:00 AM - 12:00 PM

  New Hampshire Room
• 40AR/39AR DATING CONSTRAINTS ON THE AGE AND COOLING HISTORY OF PRE-CRETACEOUS BASEMENT ROCKS BENEATH THE MID-ATLANTIC COASTAL PLAIN OF MARYLAND AND VIRGINIA
  1 Geology, Structure, Geochronology, and Tectonics in Southern New England I: An Eclectic Session in Honor of Robert P. Wintsch
  Sunday, 17 March 2019

  8:00 AM - 12:00 PM

  New Hampshire Room
• THE FALL MOUNTAIN NAPPE: A POSSIBLE ACADIAN D1 MAP-SCALE SHEATH FOLD IN THE BRONSON HILL ANTICLINORIUM, SOUTHWEST NEW HAMPSHIRE
  1 Geology, Structure, Geochronology, and Tectonics in Southern New England I: An Eclectic Session in Honor of Robert P. Wintsch
  Sunday, 17 March 2019

  8:00 AM - 12:00 PM

  New Hampshire Room
• DETRITAL ZIRCONS: INTERPRETING AGES THAT ARE MISSING
  12 Geology, Structure, Geochronology, and Tectonics in Southern New England II: An Eclectic Session in Honor of Robert P. Wintsch
  Sunday, 17 March 2019

  1:30 PM - 5:30 PM

  New Hampshire Room

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2018

• THE ROLE OF MICROANALYSIS IN DETERMINING TRACE ELEMENT DISTRIBUTIONS IN ENERGY MATERIALS, AND THEIR IMPLICATIONS
  T81 Is There a Medical Geologist in the House? A Session Honoring the Contributions of Robert Finkelman to the Field of Medical Geology
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Sagamore Ballroom 6
• 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
• PRELIMINARY GEOLOGIC MAP OF THE MOUNT ROGERS AREA, VA–NC–TN
  28 Longstanding Problems and New Ideas About the Structure and Tectonic Evolution of the Southern Appalachians and Other Mountain Belts: In Honor of the Career of Robert D. Hatcher Jr. (Posters)
  Friday, 13 April 2018

  8:00 AM - 12:00 PM

  Room 301 DE/Henley Concourse
• GEOCHRONOLOGY OF THE ELK HILL COMPLEX AND LAKESIDE FAULT ZONE, CENTRAL VIRGINIA PIEDMONT
  2 Longstanding Problems and New Ideas About the Structure and Tectonic Evolution of the Southern Appalachians and Other Mountain Belts I: In Honor of the Career of Robert D. Hatcher Jr.
  Thursday, 12 April 2018

  8:00 AM - 12:00 PM

  Room 301 C
• PICKING IN THE DARK: FLUORESCENCE IMAGING OF ZIRCON ON A PETROGRAPHIC SCOPE, A PRACTICAL GRAIN-PICKING TOOL
  40 The Adirondack Mountains and the Grenville Orogenic Cycle: New Results and Syntheses Regarding the Timing and Nature of Deformation, Metamorphism, Intrusion, and Formation of Ore Deposits II: A Session Honoring the Work of Bruce Selleck
  Monday, 19 March 2018

  1:30 PM - 3:30 PM

  Emerald Ballroom II
• DETACHMENT, ORE MINERALIZATION, AND PROGRESSIVE UPLIFT OF THE MARCY MASSIF DURING THE GRENVILLE OROGENIC CYCLE, ADIRONDACK MOUNTAINS, NY
  28 The Adirondack Mountains and the Grenville Orogenic Cycle: New Results and Syntheses Regarding the Timing and Nature of Deformation, Metamorphism, Intrusion, and Formation of Ore Deposits I: A Session Honoring the Work of Bruce Selleck
  Monday, 19 March 2018

  8:00 AM - 12:00 PM

  Emerald Ballroom II
• METAMORPHIC DIFFERENTIATION BY DISSOLUTION-PRECIPITATION CREEP IN FAULT-ROCK PHYLLONITES
  5 New Perspectives on the Evolution of Brittle and Ductile Fault Zones I: A Session Honoring The Work of Robert D. Jacobi
  Sunday, 18 March 2018

  8:00 AM - 12:00 PM

  Emerald Ballroom III

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2017

• VARIATIONS IN AMPHIBOLE CHEMISTRY IN THE IRONWOOD IRON-FORMATION, GOGEBIC IRON RANGE, WISCONSIN, USA
  267 D33. Mineralogy/Crystallography (Posters)
  Tuesday, 24 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• DEFORMATION CONDITIONS, KINEMATICS, AND THERMOCHRONOMETRIC CONSTRAINTS ALONG THE GOSSAN LEAD FAULT, THE BOUNDARY BETWEEN THE WESTERN AND EASTERN BLUE RIDGE IN NORTHWEST NORTH CAROLINA
  T148 Integrated Approaches to Deciphering Major Crustal Boundaries in Polyphase Orogenic Settings
  Monday, 23 October 2017

  1:30 PM - 5:30 PM

  Tahoma 3
• THE LINVILLE FALLS FAULT:  MICROTEXTURAL EVIDENCE FOR OSCILLATION BETWEEN DUCTILE AND BRITTLE CONDITIONS
  20 Tectonics of Blue Ridge and Piedmont Terranes: Insight from Integrated Studies (Posters)
  Friday, 31 March 2017

  8:00 AM - 12:00 PM

  James River Ballroom
• NEW SHRIMP U-PB ZIRCON DATA FROM THE CENTRAL VIRGINIA PIEDMONT
  20 Tectonics of Blue Ridge and Piedmont Terranes: Insight from Integrated Studies (Posters)
  Friday, 31 March 2017

  8:00 AM - 12:00 PM

  James River Ballroom
• TEXTURAL ANALYSIS OF AMPHIBOLITES AND SCHIST FROM THE CENTRAL VIRGINIA SEISMIC ZONE: CONSTRAINING THE PALEOZOIC TECTONIC FRAMEWORK IN A SEISMICALLY ACTIVE REGION
  20 Tectonics of Blue Ridge and Piedmont Terranes: Insight from Integrated Studies (Posters)
  Friday, 31 March 2017

  8:00 AM - 12:00 PM

  James River Ballroom
• PROGRESS OF USGS BEDROCK GEOLOGIC MAPPING IN THE CENTRAL VIRGINIA SEISMIC ZONE
  21 Geologic Maps and Map Derivatives: The Legacy of Mike Higgins (Posters)
  Friday, 31 March 2017

  8:00 AM - 12:00 PM

  James River Ballroom
• TECTONOTHERMAL SIGNATURES OF TACONIAN AND ALLEGHANIAN OROGENESIS IN THE CENTRAL VIRGINIA SEISMIC ZONE
  10 Deciphering Metamorphic Histories in Multiply-Deformed Terranes in the Piedmont and Blue Ridge
  Thursday, 30 March 2017

  1:00 PM - 5:00 PM

  Potomac E
• DIFFERENT THERMAL HISTORIES OF THE WESTERN AND EASTERN BLUE RIDGE AND EMPLACEMENT OF THE BLUE RIDGE THRUST SHEET DOCUMENTED BY 40AR/39AR THERMOCHRONOLOGY, VA– NC–TN
  10 Deciphering Metamorphic Histories in Multiply-Deformed Terranes in the Piedmont and Blue Ridge
  Thursday, 30 March 2017

  1:00 PM - 5:00 PM

  Potomac E
• ALLEGHANIAN DEFORMATION AND RECRYSTALLIZATION IN THE CONNECTICUT VALLEY OF VT AND NH
  30 NETectonics: New Advances in Petrology, Geochemistry and Geochronology in the Appalachians
  Monday, 20 March 2017

  8:00 AM - 12:00 PM

  Lawrence Welk Room, Mezzanine Level
• TECTONIC EVOLUTION OF THE CONNECTICUT VALLEY REGION IN SOUTH-CENTRAL VERMONT AND WEST-CENTRAL NEW HAMPSHIRE
  43 NETectonics: New Advances in Structural Geology and Tectonics in the Appalachians
  Monday, 20 March 2017

  1:30 PM - 5:30 PM

  Lawrence Welk Room, Mezzanine Level
• BEDROCK GEOLOGIC MAP OF THE BELLOWS FALLS AND ALSTEAD 7.5–MINUTE QUADRANGLES, NH–VT:  INSIGHT INTO THE TECTONICS OF THE BRONSON HILL ANTICLINORIUM
  23 Back to the Basics: Focusing on Fieldwork in Today’s Geological Studies (Posters)
  Sunday, 19 March 2017

  1:30 PM - 5:30 PM

  Grand Ballroom, 17th Floor

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2016

• INTEGRATION OF MULTIPLE GEOPHYSICAL AND SOIL DATASETS IN THE CONSTRUCTION OF A GEOLOGIC MAP IN THE CENTRAL VIRGINIA SEISMIC ZONE
  9 Evolving Perspectives on Piedmont Geology: Terrane Studies, Structural Analyses, New Mapping, and Complementary Studies (Posters)
  Thursday, 31 March 2016

  8:00 AM - 5:30 PM

  Exhibit Hall
• 40AR/39AR AGES AND RECRYSTALLIZATION PROCESSES IN THE ALLEGHANIAN EAST DERBY SHEAR ZONE
  34 Applications of Geochemistry and Geochronology to Understanding Tectonic Processes: In Honor of Raymond A. Coish (Posters)
  Tuesday, 22 March 2016

  8:00 AM - 12:00 PM

  Convention Hall
• DETRITAL ZIRCON GEOCHRONOLOGY OF THE BRONSON HILL ANTICLINORIUM AND WESTERN FACIES OF THE CENTRAL MAINE TERRANE, SOUTHERN NH–VT
  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

• REACTION SOFTENING IN RHYOLITES OF THE MOUNT ROGERS FORMATION AND CARBONIFEROUS DEFORMATION ON THE BLUE RIDGE THRUST, VA–NC–TN
  T74 Perspectives on Orogenic Evolution, Dating Brittle Faults and Mylonitic Shear Zones, Bending Mountains, and Assembling Supercontinents II: A Session to Honor the Career of Ben Van Der Pluijm
  Sunday, 1 November 2015

  1:30 PM - 5:30 PM

  Room 343
• CORRELATING TERRANES AND THERMOTECTONIC HISTORIES OF CENTRAL VIRGINIA AND NORTHERN VIRGINIA AND MARYLAND, USA
  T75 Rift-Drift, Seafloor Spreading, and Subduction Zone Tectonics of Collisional Orogens: Comparative Analysis of the Circum-Mediterranean and Appalachian-Caledonian Orogenic Belts
  Sunday, 1 November 2015

  1:30 PM - 5:30 PM

  Room 341
• 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
• STRUCTURE AND TIMING OF NAPPE EVOLUTION IN THE BRONSON HILL ANTICLINORIUM, BELLOWS FALLS AND ALSTEAD 7.5–MINUTE QUADRANGLES, NH–VT
  39 Contributions to New England Stratigraphy & Structure: In Honor of Robert Moench and Douglas Rankin (Posters)
  Tuesday, 24 March 2015

  8:00 AM - 12:00 PM

  Presidential Ballroom
• 40AR/39AR CONSTRAINTS ON THE PALEOZOIC COOLING HISTORY OF SOUTHWEST NEW HAMPSHIRE AND ADJACENT VERMONT
  1 Contributions to New England Stratigraphy & Structure I: In Honor of Robert Moench and Douglas Rankin
  Monday, 23 March 2015

  8:00 AM - 12:00 PM

  Grand Ballroom South
• NEW U-PB ZIRCON AGES FROM THE BRONSON HILL ARC, WEST-CENTRAL NEW HAMPSHIRE
  1 Contributions to New England Stratigraphy & Structure I: In Honor of Robert Moench and Douglas Rankin
  Monday, 23 March 2015

  8:00 AM - 12:00 PM

  Grand Ballroom South
• TACONIAN OROGENESIS AND ALLEGHANIAN OVERPRINTING IN CENTRAL VIRGINIA PIEDMONT AS REVEALED BY NEW 40AR/39AR DATA
  16 Ordovician Tectonics of the Appalachians: New Ideas on an Ancient Orogen
  Thursday, 19 March 2015

  1:00 PM - 5:00 PM

  Roberts

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2014

• TECTONIC HISTORY OF THE BRONSON HILL ANTICLINORIUM IN THE CONNECTICUT RIVER VALLEY, WESTERN NEW HAMPSHIRE AND EASTERN VERMONT
  T7 Geology and Hydrology of the National Parks: Research, Mapping, and Resource Management I
  Sunday, 19 October 2014

  8:00 AM - 12:00 PM

  214
• VOLCANOES OF THE PASSIVE MARGIN: THE YOUNGEST MAGMATIC EVENT IN EASTERN NORTH AMERICA
  11 Volcanology, Magmatism, Geochemistry
  Thursday, 10 April 2014

  1:00 PM - 5:00 PM

  Cascades
• AN EARLY TRIASSIC DUCTILE SHEAR ZONE NEAR CLAREMONT, NH: EVIDENCE FROM 40AR/39AR DATING OF WHITE MICA
  49 Implementing Recent Innovations in Thermobarometry to Constrain Igneous and Metamorphic Evolution
  Monday, 24 March 2014

  3:45 PM - 5:35 PM

  Commonwealth Salons 1-2
• TECTONIC EVOLUTION AND EXHUMATION OF THE LOWER STRUCTURAL LEVELS OF THE BRONSON HILL ANTICLINORIUM IN SOUTHWESTERN NEW HAMPSHIRE AND ADJACENT VERMONT
  51 Echoes of Exhumation: Comparing Exhumation Processes of the Ancient Appalachians to Those of Currently Active Orogens
  Monday, 24 March 2014

  1:30 PM - 5:50 PM

  Heritage Salon D

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2013

• 40AR/39AR DATING OF A LOWER-GREENSCHIST FACIES SHEAR ZONE: PERMIAN DEFORMATION IN WESTERN NEW HAMPSHIRE
  T404 Through the Looking Glass: Microstructural Insights into Tectonic Processes
  Wednesday, 30 October 2013

  1:00 PM - 5:00 PM

  Room 507

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2012

• OPEN SYSTEM DEVELOPMENT OF FABRICS IN THE PARTRIDGE FORMATION, ALSTEAD, NH
  42 High-Strain Zone Kinematics, From the Microscopic to the Macroscopic Scale (Posters)
  Monday, 19 March 2012

  1:30 PM - 5:30 PM

  Ballrooms A & C and Ballroom Pre-function Area

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2011

• EXCESS ARGON IN MICAS FROM THE CLASSIC BARROVIAN METAMORPHIC SEQUENCE IN DUTCHESS COUNTY, NEW YORK
  T53 Turning up the Heat: Metamorphic Perspectives on Mineral Equilibria, Heat Transport, Tectonics, and Thermochronology
  Sunday, 9 October 2011

  1:30 PM - 5:30 PM

  Room 102D-F