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Activity

2025

• PETROGRAPHIC AND AERIAL MAPPING OF THE LITTLE DEER ISLE PERIDOTITE, EASTERN PENOBSCOT BAY, MAINE: EVIDENCE FOR HYDROUS MAGMATISM WITHIN THE LOWER CRUST
  2 Petrotectonic Processes in Convergent Margins: Insights from Laurentia and Beyond
  Friday, 28 March 2025

  8:00 AM - 12:00 PM

  120

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2024

• RHEOLOGICAL BRIDGE ZONE, STRESS AMPLIFICATION, AND INITIALIZATION OF STRAIN LOCALIZATION
  20 Micro to Macro: Linking Structural Geology, Petrology, Geochronology, and Tectonics Across Scales
  Monday, 18 March 2024

  8:00 AM - 12:00 PM

  Piscataquog Room
• MINERALOGY, GEOCHEMISTRY, AND METALLOGENESIS OF THE NORTHERN AROOSTOOK MANGANESE SUB-DISTRICT, AROOSTOOK COUNTY, NORTHERN MAINE
  13 Economic Geology and Critical Mineral Resources
  Sunday, 17 March 2024

  1:30 PM - 5:30 PM

  Piscataquog Room

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2023

• MINERALOGY, GEOCHEMISTRY, AND METALLOGENESIS OF THE MAPLE-HOVEY MANGANESE DEPOSIT, NORTHERN MAINE
  T142 Linking Critical Minerals and the Geologic Framework of North America I: The USGS Earth Mapping Resources Initiative (Earth MRI) and Related Activities
  Tuesday, 17 October 2023

  8:00 AM - 12:00 PM

  324
• SUBDUCTION AND EXHUMATION OF THE SAXON GRANULITE COMPLEX: CONSTRAINTS FROM THE BOROSILICATE PRISMATINE, (VAC,MG,FE)(AL,MG,FE)9(SI,AL,B)5O21(OH,F), AT WALDHEIM, GERMANY
  T59 Subduction Zone Processes in the Evolution of Ophiolites, Continental Crust, and Orogenic Belts II
  Sunday, 15 October 2023

  1:30 PM - 5:30 PM

  327
• GEOLOGY, MINERALOGY, AND GEOCHEMISTRY OF THE SERPENTINITE OF DEER ISLE AND THE PERIDOTITE OF LITTLE DEER ISLE, PENOBSCOT BAY, MAINE: IMPLICATIONS FOR MID-CAMBRIAN TECTONICS OF THE APPALACHIAN OROGEN
  6 Drivers of Cordilleran Magmatic Processes and Geochemistry (Posters)
  Wednesday, 17 May 2023

  8:00 AM - 6:00 PM

  Cargo Room

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2022

• CAMBRIAN A-TYPE GRANITES IN PRYDZ BAY, EAST ANTARCTICA: SR-ND-HF-PB-O ISOTOPIC CONSTRAINTS ON MAGMA SOURCES AND THE ORIGIN OF HIGH CONCENTRATIONS OF HEAT-PRODUCING ELEMENTS
  T223 Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies I
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  502
• THE NEWLY DISCOVERED TRACHYTE-HOSTED PENNINGTON MOUNTAIN REE-NB-ZR DEPOSIT IN NORTHERN MAINE: PRELIMINARY GEOLOGY, MINERALOGY, AND GEOCHEMISTRY
  T4 Critical Minerals and Framework Geology: The USGS Earth Mapping Resources Initiative (Earth MRI) and Related Activities I
  Sunday, 9 October 2022

  8:00 AM - 12:00 PM

  601

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2019

• PRELIMINARY LITHOLOGICAL AND LITHOGEOCHEMICAL ANALYSIS OF THE PICKETT MOUNTAIN VMS DEPOSIT, MAINE
  3 New Perspectives on Mineral Resources of the Northeast
  Sunday, 17 March 2019

  8:00 AM - 12:00 PM

  Rhode Island Room

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2017

• CAMBRIAN GRANULITE-FACIES METAMORPHISM OF THE LARSEMANN HILLS, PRYDZ BAY, ANTARCTICA: USING THERMODYNAMIC MODELING TO INFORM MONAZITE PETROCHRONOLOGY
  T21 Petrochronology: Advances and Applications to Petrogenesis and Tectonics I
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Skagit 4

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2015

• ACID MINE DRAINAGE NEAUTRALIZATION CAPACITY OF MAJOR ROCK TYPES FOUND IN MAINE
  22 Geochemistry (Posters)
  Monday, 23 March 2015

  1:30 PM - 5:30 PM

  Presidential Ballroom

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2013

• PETROLOGY AND GEOCHEMISTRY OF FAULT AND SHEAR ZONE - RELATED ROCKS, SOUTH CENTRAL MAINE
  42 The New England–Canadian Bedrock and Tectonic Connections (Posters)
  Tuesday, 19 March 2013

  8:00 AM - 12:00 PM

  Grand Ballroom South
• A COMPARISON OF MICROSTRUCTURES AND DEFORMATION TEXTURES INSIDE AND OUTSIDE THE LOWER CRUSTAL DOUBTFUL SOUND SHEAR ZONE, FIORDLAND, NEW ZEALAND
  63 Rheological Information from Structures and Microstructures (Posters)
  Tuesday, 19 March 2013

  1:30 PM - 5:00 PM

  Grand Ballroom South

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2009

• A NEW YTTRIUM GARNET SPECIES, {(Y, REE)(CA, Fe2+)2}[(MG,Fe2+)(Fe3+,AL)](Si3)O12, AND TWO NEW COMPONENTS IN METAMORPHIC GARNET: {Y2CA}[Mg2](Si3)O12 AND {Y2CA}[Fe2+2](Si3)O12
  T132 Advances in Understanding Metamorphic Processes: Nanoscale to Nappes II
  Monday, 19 October 2009

  1:30 PM - 5:30 PM

  E143/144
• APATITE AND GRANITE PETROGENESIS
  23 Aspects of Transatlantic Research on Magma Systems I
  Monday, 23 March 2009

  10:30 AM - 12:00 PM
• MICROSTRUCTURAL RECORD OF COSEISMIC/POSTSEISMIC CYCLES NEAR THE BASE OF THE SEISMOGENIC ZONE, SAND HILL CORNER MYLONITE ZONE, NORUMBEGA FAULT SYSTEM, MAINE
  38 Rheology, Kinematics, and Strain Localization in Faults and Shear Zones II: NEtectonics
  Monday, 23 March 2009

  1:00 PM - 5:00 PM

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2008

• COMPOSITION AND AGE OF MONAZITE IN PARAGNEISSES FROM THE LARSEMANN HILLS, PRYDZ BAY, EAST ANTARCTICA
  39 Precambrian Geology (Posters)
  Saturday, 29 March 2008

  8:00 AM - 12:00 PM
• GEOCHEMISTRY OF THE ALCA OBSIDIAN SOURCE, PERU
  5 Archaeological and Economic Geology (Posters)
  Thursday, 27 March 2008

  8:00 AM - 12:00 PM
• APATITE GEOCHEMISTRY OF WESTERN MAINE PLUTONS
  17 Granites and Migmatites—Relations in the Northeastern Appalachians (Posters)
  Thursday, 27 March 2008

  1:00 PM - 5:00 PM
• COUPLED MICROPROCESSES AND RHEOLOGICAL EVOLUTION IN A REACTIVE SHEAR ZONE
  16 NEtectonics: The Implications of Crustal Heterogeneity for Structure, Rheology, and Tectonics (Posters)
  Thursday, 27 March 2008

  1:00 PM - 5:00 PM

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2007

• APATITE GEOCHEMISTRY: A POWERFUL TOOL FOR CHARACTERIZING MAGMA SUITES AND INTERPRETING IGNEOUS PETROGENESIS
  T196 Geochemistry of Magmatic and Metamorphic Processes I: In Honor of the Contributions of Joseph L. Wooden
  Wednesday, 31 October 2007

  8:00 AM - 12:00 PM
• TEXTURAL AND PETROCHEMICAL VARIABILITY ACROSS A SHEARED PLUTON MARGIN, NORTHEASTERN APPALACHIANS, USA
  31 Strain Partitioning and Rheological Evolution in Orogens (Posters)
  Tuesday, 13 March 2007

  8:15 AM - 12:00 PM

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2006

• INTERPRETING MAGMATIC CONDITIONS USING APATITE TEXTURES AND COMPOSITION
  T41 Petrologic Mineralogy—The Study of Minerals in Context II: In Honor of Charles V. Guidotti
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• BORALSILITE, AL16B6SI2O37, A SILLIMANITE-LIKE MINERAL OF GRANITE PEGMATITES: COMPOSITIONAL VARIATION AND ASSOCIATED PHASES IN NATURE AND EXPERIMENT
  T41 Petrologic Mineralogy—The Study of Minerals in Context II: In Honor of Charles V. Guidotti
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• DECONSTRUCTING THE LATE-CALEDONIAN GALWAY BATHOLITH: P-T-T PERSPECTIVES OF GRANITE MAGMATISM IN CONNEMARA, WESTERN IRELAND
  29 Time Slices Across the Appalachians: Tectonic Settings of Silurian-Devonian Igneous Rocks in the Appalachian Orogen II
  Tuesday, 21 March 2006

  1:00 PM - 5:00 PM

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2004

• DIVERSE BOROSILICATE ASSEMBLAGES IN ANATECTIC GRANITIC PEGMATITES CUTTING BORON-RICH GRANULITE-FACIES ROCKS OF THE LARSEMANN HILLS, PRYDZ BAY, EAST ANTARCTICA
  T41 Granitic Pegmatites: Recent Advances in Mineralogy, Petrology, and Understanding II
  Sunday, 7 November 2004

  1:30 PM - 5:30 PM

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2003

• LEAD AUREOLES IN ALKALI FELDSPAR AROUND THORIAN MONAZITE-(CE) IN LATE ARCHEAN GRANULITE-FACIES PEGMATITES OF THE NAPIER COMPLEX, KHMARA BAY, EAST ANTARCTICA
  153 Petrology, Metamorphic and Experimental (Posters)
  Tuesday, 4 November 2003

  8:00 AM - 12:00 PM
• WAGNERITE, APATITE AND BIOTITE IN GRANULITE FACIES ROCKS OF THE NAPIER COMPLEX, ENDERBY LAND, ANTARCTICA; THE ROLE OF HALOGENS
  153 Petrology, Metamorphic and Experimental (Posters)
  Tuesday, 4 November 2003

  8:00 AM - 12:00 PM
• READING THE PLAGIOCLASE RECORD
  23 Processes in Felsic Magma Chambers—From Crystallization and Evolution to Emplacement I
  Friday, 28 March 2003

  8:30 AM - 12:00 PM
• ULTRAMAFIC AND SEDIMENTARY DIKES, PENOBSCOT BAY: CAMBRIAN EXTENSION AND ORDOVICIAN ACCRETION ALONG SOUTHEASTERN GANDERIA
  29 Paleozoic Arcs in the Northern Appalachian Orogen and Their Accretionary History: 2nd Annual NETectonics Session II
  Friday, 28 March 2003

  1:40 PM - 5:00 PM

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2001

• GEOCHEMICAL EVALUATION OF SOURCES FOR ARSENIC IN GROUND WATER, NORTHPORT, MAINE
  23 Geologic Aspects of Environmental Problems in the Northeast
  Tuesday, 13 March 2001

  8:15 AM - 12:15 PM

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Date Unknown

• SEQUENCE OF BOROSILICATE CRYSTALLIZATION OF A LATE STAGE PEGMATITE FROM THE LARSEMANN HILLS, PRYDZ BAY, EAST ANTARCTICA
  54 Igneous/Metamorphic Petrology, Geochemistry, Mineralogy (Posters)