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Activity

2025

• MAP PATTERNS OF ALLEGHANIAN METAMORPHISM MERGED WITH THERMOCHRONOLOGY IN THE BOSTON AVALON TERRANE REVEAL EARLY PALEOZOIC TECTONIC INHERITANCE, LATE PALEOZOIC THRUSTING, AND MESOZOIC EXTENSIONAL TECTONICS
  42 Mapping in the Geosciences: Processes and Products
  Sunday, 30 March 2025

  8:30 AM - 2:30 PM

  North Great Hall
• PRELIMINARY BEDROCK GEOLOGIC MAP OF NEW ENGLAND, USA, ROUND 2
  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
• IDENTIFICATION OF A MESOZOIC METAMORPHIC CORE COMPLEX IN SOUTHEASTERN NEW ENGLAND
  18 Tectonic Processes in the Circum-Atlantic Orogens II: A Celebration of the Career of Rob Strachan
  Saturday, 29 March 2025

  8:00 AM - 12:00 PM

  120

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2024

• DUCTILE TERRANE ASSEMBLY EXPOSED IN THE DEEP RIVER AND ESSEX QUADRANGLES, MIDDLESEX COUNTY, CONNECTICUT
  24 Mapping in the Geosciences: Processes and Products (Posters)
  Monday, 18 March 2024

  9:00 AM - 1:00 PM

  Armory Ballroom
• 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

• 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
• (U-TH)/HE THERMOCHRONOLOGY AND THERMAL HISTORY MODELING REVEALS EARLY CRETACEOUS DEFORMATION ACROSS THE MESOZOIC HARTFORD BASIN, CONNECTICUT
  T137 The Neoproterozoic to Paleozoic Evolution of the Eastern Laurentian Margin—Tectonic, Stratigraphic, Sedimentologic, and Geochronologic Evidence I: In Honor of William A. “Bill” Thomas
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  317 / 318
• 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
• A MYLONITIC TERRANE SUTURE AND STITCHING PLUTONS IN THE BRANFORD QUADRANGLE, CONNECTICUT
  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

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2022

• A PETROLOGIC-MECHANICAL FEEDBACK IN DEFINING THE RHEOLOGY OF THE LOWER CRUST
  250 D36. Recent Advances in Tectonics and Structural Geology
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  504
• A PERMIAN MAGMATIC-HYDROTHERMAL SYSTEM AND ASSOCIATED TUNGSTEN DEPOSIT IN THE ALLEGHANIAN FORELAND OF SOUTHWESTERN CONNECTICUT
  265 D3. Recent Advances in Economic Geology (Posters)
  Wednesday, 12 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• 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
• PROTRACTED EXHUMATION ALONG THE FOOTWALL OF THE EASTERN BORDER FAULT OF THE HARTFORD BASIN, CT USA
  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 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
• NEW DEVELOPMENTS IN THE SILURIAN-DEVONIAN BELT OF 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
• THE HIDDEN WORLD OF K-FELDSPARS: DO WE REALLY KNOW WHAT WE ARE DATING?
  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

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2021

• PERI-GONDWANAN TERRANE ASSEMBLY AS REVEALED IN THE NEW BEDROCK GEOLOGIC MAP OF THE ESSEX QUADRANGLE, CONNECTICUT
  13 Pre-Atlantic Geological Connections among Northwest Africa, Southern Europe, and Eastern North America
  Monday, 15 March 2021

  8:00 AM - 12:20 PM

  Portland
• 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
• TECTONIC EVOLUTION OF THE EASTERN BORDER FAULT FOOTWALL, DURHAM QUADRANGLE, CT
  11 Stories in Stone: The Legacy of Jelle Zeilinga de Boer
  Monday, 15 March 2021

  8:00 AM - 12:00 PM

  Monson
• NEW DETRITAL ZIRCON DATA FROM WESTERN CONNECTICUT PROVIDE INSIGHT INTO TERRANE AFFINITIES AND MAP PATTERNS OF REGIONAL LITHOLOGIES
  13 Pre-Atlantic Geological Connections among Northwest Africa, Southern Europe, and Eastern North America
  Monday, 15 March 2021

  8:00 AM - 12:20 PM

  Portland
• THE PINEWOOD ADAMELLITE: A RECORD OF ALLEGHANIAN TECTONICS IN THE ACADIAN METAMORPHIC HIGH OF WESTERN CONNECTICUT
  5 Magma Ascent to Magma Mingling, Volatility, and Volcanism: A Session in Honor of Sheila J. Seaman
  Sunday, 14 March 2021

  1:30 PM - 5:30 PM

  Monson

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2020

• 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

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2019

• A REVISED TECTONIC MAP OF CONNECTICUT: UPDATES BASED ON 3 DECADES OF MAPPING, GEOCHRONOLOGY, AND GEOCHEMISTRY
  30 Geology, Structure, Geochronology, and Tectonics in Southern New England: An Eclectic Session in Honor of Robert P. Wintsch (Posters)
  Monday, 18 March 2019

  8:00 AM - 12:00 PM

  Casco Bay Hall
• EARLY PALEOZOIC ROCKS OF THE ROWE-HAWLEY AND DOME BELTS OF WESTERN CT: STRATIGRAPHIC INSIGHTS AND ISSUES ARISING FROM DETRITAL ZIRCON DATA
  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
• AGE AND TECTONIC SETTING OF THE QUINEBAUG-MARLBORO BELT, SOUTHEASTERN NEW ENGLAND
  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

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2018

• HAVE CONODONTS SURVIVED KYANITE-GRADE METAMORPHISM IN THE MARBLES OF TRUMBULL, CONNECTICUT?
  56 Petrologic, Structural, and Tectonic Interpretations in Northern New England: A Session Honoring the Work of Jo Laird and Peter J. Thompson (Posters)
  Tuesday, 20 March 2018

  8:00 AM - 12:00 PM

  Lake Champlain Exhibition Hall
• 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

• A CASE FOR ALLEGHANIAN 'MINI' INDENTER TECTONICS IN THE SOUTHEASTERN NEW ENGLAND APPALACHIANS
  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
• PATTERNS OF PALEOZOIC METAMORPHISMS IN THE AVALON TERRANE OF SOUTHEASTERN NEW ENGLAND: EVIDENCE FOR SYN-AND POST-METAMORPHIC FAULTING FROM 40AR/39AR MINERAL AGES AND THERMOBAROMETRY
  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

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2016

• MORE ABOUT THE MORETOWN TERRANE IN THE BRISTOL DOME, WESTERN CONNECTICUT
  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 PERI-LAURENTIAN MARGIN OF SOUTHERN NEW ENGLAND: A TRANSPRESSIVE BOUNDARY FOR 200 MILLION YEARS
  T103 Rheological Behavior of Ductile Lithosphere during Strain Localization
  Monday, 2 November 2015

  8:00 AM - 12:00 PM

  Room 308
• 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
• STRAIN INDUCED RETROGRADE METAMORPHISM IN AN ALLEGHANY FAULT IN SOUTH CENTRAL CONNECTICUT
  45 The Role of Interacting Processes in Deformation
  Tuesday, 24 March 2015

  1:30 PM - 5:30 PM

  Jefferson Room
• EVIDENCE FROM U-PB SHRIMP AGES OF DETRITAL ZIRCONS FOR EVOLVING PROVENANCES FOR PERI-GONDWANAN FOREARC METASEDIMENTS, WESTERN CONNECTICUT
  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
• TWO DISTINCT OCEANIC TRACTS PRESERVED BETWEEN PERI-LAURENTIAN AND PERI-GONDWANAN TERRANES IN SOUTH CENTRAL CONNECTICUT
  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
• UNRAVELLING THE PROLONGED HISTORY OF THE GANDERIAN MARGIN OF SOUTHEASTERN NEW ENGLAND
  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
• 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

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2014

• EDMAP BEDROCK GEOLOGIC MAP OF ACCRETED TERRANES, WESTERN NEW HAVEN QUADRANGLE, CT, USA
  T223 Geologic Maps and Their Derivatives (Posters)
  Tuesday, 21 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• MAGMA INTERACTIONS IN A CENTRAL MAINE PLUTON
  T149 Continental Arcs #2: Processes at Arc to Magma Reservoir-Scale and Connections from Magma Source to Volcano
  Monday, 20 October 2014

  1:00 PM - 5:00 PM

  121
• 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

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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
• MULTIPLE DEFORMATION AND CLEAVAGE DEVELOPMENT BY DISSOLUTION-PRECIPITATION IN THE METASEDIMENTARY ROCKS OF THE CHESTER SHEAR ZONE, CENTRAL MAINE, USA
  T404 Through the Looking Glass: Microstructural Insights into Tectonic Processes
  Wednesday, 30 October 2013

  1:00 PM - 5:00 PM

  Room 507
• 40AR/39AR AGE CONSTRAINTS FOR THE RYE COMPLEX ROCKS ALONG THE NORUMBEGA FAULT ZONE, SOUTHERN MAINE AND NORTHERN NEW HAMPSHIRE
  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
• ACCELERATED LATE CRETACEOUS EXHUMATION IN THE WHITE MOUNTAINS REGION OF NEW HAMPSHIRE BASED ON APATITE FISSION-TRACK, U-TH/HE AND 3HE/4HE ANALYSES
  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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2012

• LOW-TEMPERATURE COOLING HISTORY OF THE BLUE RIDGE PROVINCE, NORTH CAROLINA
  19 Modern and Ancient Orogenic Belts (Posters)
  Sunday, 18 March 2012

  1:30 PM - 5:30 PM

  Ballrooms A & C and Ballroom Pre-function Area

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2011

• ORIGIN OF THE QUINEBAUG-MARLBORO BELT IN SOUTHEASTERN NEW ENGLAND
  68 Devonian Orogenesis in the Appalachian-Caledonian Mountain Belt—Where, When, and What Caused It?
  Tuesday, 22 March 2011

  1:30 PM - 5:35 PM

  Frick
• ALLEGHENIAN STRAIN LOCALIZATION AND RECRYSTALLIZATION IN THE EAST DERBY SHEAR ZONE, CONNECTICUT
  10 Petrology, Metamorphic (Posters)
  Sunday, 20 March 2011

  8:00 AM - 12:00 PM

  Grand Ballroom/Urban Room

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2010

• HETEROGENEOUS EXTRUSION ALONG THE TRANSPRESSIVE RED RIVER SHEAR ZONE, SOUTHEAST ASIA
  68 Strike-Slip and Transpressional Tectonics in the Appalachians and Beyond (Posters)
  Tuesday, 16 March 2010

  8:00 AM - 12:05 PM

  International ABCDF
• 40AR/39AR TIMING CONSTRAINTS ON THE PALEOZOIC ASSEMBLY OF THE MID-ATLANTIC PIEDMONT, USA
  59 Laurentian-Gondwanan Interactions in the Paleozoic I
  Tuesday, 16 March 2010

  8:00 AM - 12:05 PM

  Liberty B
• EVIDENCE FOR THE FORMATION OF PSEUDOTACHYLYTE IN LEWISIAN GNEISSES, MOINE THRUST HANGING WALL, SCOTLAND
  65 Igneous/Metamorphic Petrology and Geochemistry (Posters)
  Tuesday, 16 March 2010

  8:00 AM - 12:05 PM

  International ABCDF
• EVIDENCE FOR ALLEGHANIAN TRANSPRESSIVE TELESCOPING OF AN ACADIAN METAMORPHIC FIELD GRADIENT, SOUTH-CENTRAL CONNECTICUT
  47 Strike-Slip and Transpressional Tectonics in the Appalachians and Beyond
  Monday, 15 March 2010

  1:30 PM - 5:35 PM

  Carroll
• STRATIGRAPHY AND TECTONIC ASSEMBLAGE OF ROCKS OF THE IAPETAN RIFTED MARGIN OF THE PENNSYLVANIA EMBAYMENT: FRAMEWORK OF THE WESTERN PIEDMONT WESTMINSTER TERRANE, FREDERICK VALLEY SYNCLINORIUM, AND BLUE RIDGE-SOUTH MOUNTAIN ANTICLINORIUM, MARYLAND AND PENNSYLVANIA
  5 The Iapetan Rifted Margin and Rift History of Eastern Laurentia I
  Sunday, 14 March 2010

  8:00 AM - 12:05 PM

  Liberty B