---

Activity

2024

• THE SHAGGY PEAK SHEAR ZONE, A CA. 1.43-1.35 GA DUCTILE SHEAR ZONE: PRELIMINARY RESULTS FROM IN-SITU Rb/Sr LA-QQQ-ICP-MS MUSCOVITE AND BIOTITE ANALYSES REVEAL CONNECTION TO PICURIS OROGENY
  28 D5. Structural Geology/Tectonics/Petrology (Posters)
  Tuesday, 23 April 2024

  8:00 AM - 12:00 PM

  Grand Ballroom, Oasis CC
• GEOCHEMISTRY, TECTONIC SETTING, AND EMPLACEMENT AGE OF THE REE-NB-ZR-MINERALIZED PENNINGTON MOUNTAIN TRACHYTE OF NORTHERN MAINE
  13 Economic Geology and Critical Mineral Resources
  Sunday, 17 March 2024

  1:30 PM - 5:30 PM

  Piscataquog Room
• TIMING OF ORDOVICIAN VOLCANISM IN NORTHEASTERN MAINE: RETHINKING REGIONAL TECTONIC MODELS
  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

---

2023

• THERE AND BACK AGAIN: PUTTING ABSOLUTE AGE CONSTRAINTS ON A FULL, DIACHRONOUS, OROGENIC CYCLE
  T82 Unravelling Timescales of Magmatism, Metamorphism, and Crustal Evolution I
  Monday, 16 October 2023

  8:00 AM - 12:00 PM

  327

---

2022

• UNCOVERING THE DEEPEST ROOTS OF THE MESOPROTEROZOIC PICURIS OROGENY: PRELIMINARY U/PB MONAZITE AGES AND P-T ESTIMATES FROM THE SIERRA ESTRELLA MOUNTAINS, ARIZONA, USA
  T39 Evaluation of Proterozoic Tectonic Styles in North America and Their Influence on Phanerozoic Structures and Mineralization
  Sunday, 9 October 2022

  1:30 PM - 5:30 PM

  507
• OLD QUESTIONS, NEW INSIGHTS, AND SOME REFRACTORY PROBLEMS
  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

---

2020

• U-PB BADDELEYITE AGE LINKS THE OSBORNE ANOMALY (NE IOWA) TO THE EARLY (1,150 MA) PHASE OF MIDCONTINENT RIFT ACTIVITY
  19 Intrusive Rocks of the Midcontinent Rift
  Monday, 18 May 2020

  1:30 PM - 5:30 PM

  French River Room 1

---

2019

• BETWEEN LIFE AND DEATH: GEOCHEMICAL MATURATION OF THE WYOMING CRATON
  T280 Life and Death of a Craton: Implications of Archean Crust-Keel Systems for Crustal Growth, Crustal Preservation, and Mantle Evolution (Posters)
  Wednesday, 25 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building
• TESTING THE LIMITS OF UNCONVENTIONAL U-PB GEOCHRONOMETERS WITH APPLICATIONS TO HIGHLY-FRACTIONATED MAGMATIC SYSTEMS
  21 Innovations in LA-ICP-MS in the Earth Sciences (Posters)
  Sunday, 17 March 2019

  1:30 PM - 5:30 PM

  Casco Bay Hall

---

2018

• LATE DEVONIAN SEDIMENTARY RECORD OF APPALACHIAN TECTONICS AND EROSION: GEOCHRONOLOGY AND GEOCHEMISTRY OF DETRITAL MUSCOVITE AND ZIRCON
  T185 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian (Posters)
  Tuesday, 6 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• THE PICURIS OROGENY IN TIME AND SPACE
  28 Recent Advances in Basin-and-Range and Proterozoic Geology of the Western U.S. I: A Session Honoring Ernie Duebendorfer
  Wednesday, 16 May 2018

  10:20 AM - 12:05 PM

  Kaibab Room
• GARNET SM-ND AGE CONSTRAINTS ON GRANULITE METAMORPHISM IN THE LOWER CRUST OF THE FIORDLAND MAGMATIC ARC, NEW ZEALAND
  26 D8. Igneous Petrology, Metamorphic Petrology, and Geochemistry (Posters)
  Friday, 13 April 2018

  8:00 AM - 12:00 PM

  Room 301 DE/Henley Concourse

---

2017

• ~2.6 GA TECTONISM IN THE SOUTHERN WYOMING PROVINCE: RECORD OF ACCRETIONARY OROGENESIS OR SUPERCONTINENT BREAKUP?
  T19 Origin and Evolution of the Continental Crust: A Celebration of the Career of Paul Mueller
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Skagit 2
• MESOPROTEROZOIC CA. 1.5–1.45 GA DEPOSITION AND VOLCANISM IN THE SOUTHWESTERN UNITED STATE: ONSET OF THE PICURIS OROGENY
  18 Precambrian Assembly of a Continent from the Northeast to the Mid-Continent to the Southwest: Modern Approaches to Study Ancient Crust
  Sunday, 19 March 2017

  1:30 PM - 5:30 PM

  Lawrence Welk Room, Mezzanine Level

---

2016

• SIMULTANEOUS PB-ISOTOPE AND TRACE-ELEMENT CHARACTERIZATION OF GALENA BY QUADRUPOLE-BASED LA-ICP-MS
  T152 Go Small or Go Home: Microbeam Techniques Applied to Igneous, Metamorphic, and Sedimentary Petrology of Earth and Planetary Materials (Posters)
  Monday, 26 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F

---

2015

• STRUCTURAL CONTEXT AND AGE CONSTRAINTS FOR THE SYNOROGENIC MARQUENAS FM. METACONGLOMERATE, PICURIS MTNS, NEW MEXICO
  309 Precambrian Geology (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• U–PB MONAZITE AGES SUGGEST A COMPLEX MESOPROTEROZOIC METAMORPHIC HISTORY DURING THE PICURIS OROGENY RECORDED BY METAPELITES OF THE RINCON RANGE, NORTH–CENTRAL NEW MEXICO
  309 Precambrian Geology (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• TESTING MODELS OF POLYMETAMORPHISM ACROSS NORTHERN NEW MEXICO: U-PB MONAZITE AGES SUGGEST TWO POSSIBLE MESOPROTEROZOIC METAMORPHIC EVENTS AT 1420 MA AND 1380 MA
  309 Precambrian Geology (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• DEFORMATION, GEOCHEMISTRY, AND GEOCHRONOLOGY OF EDDINGTON LEUCOGRANITE STOCK RECENTLY DISCOVERED IN THE NORUMBEGA FAULT SYSTEM IN EASTERN-CENTRAL MAINE
  54 Pegmatites, Plutons, and Pyroclastics of the Northeast (Posters)
  Tuesday, 24 March 2015

  1:30 PM - 5:30 PM

  Presidential Ballroom

---

2014

• EVIDENCE FOR CA. 1357-1386 MA POST–TECTONIC MONAZITE GROWTH, PICURIS MOUNTAINS, NORTHERN NEW MEXICO, USA
  T322 Precambrian Geology of the North American Cordillera: An Exploration of New Developments in Laurentia’s Ancient History (Posters)
  Wednesday, 22 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• U-PB GEOCHRONOLOGY OF NEWLY RECOGNIZED MESOPROTEROZOIC (CA. 1.50 GA) METATUFFS IN THE UPPER SALT RIVER CANYON, ARIZONA AND THEIR POTENTIAL CORRELATION WITH METATUFFS IN THE PICURIS MOUNTAINS, NEW MEXICO: IMPLICATIONS FOR THE PROTEROZOIC TECTONIC EVOLUTION OF LAURENTIA
  T322 Precambrian Geology of the North American Cordillera: An Exploration of New Developments in Laurentia’s Ancient History (Posters)
  Wednesday, 22 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C
• DETRITAL ZIRCON AND METATUFF AGE CONSTRAINTS ON THE TIMING OF MESOPROTEROZOIC DEPOSITION AND OROGENESIS CA. 1.50-1.40 GA ACROSS THE SOUTHWESTERN UNITED STATES AND POSSIBLE CONNECTIONS WITH THE GEOLOGIC EVOLUTION OF THE BELT SUPERGROUP
  T344 Precambrian Geology of the North American Cordillera: An Exploration of New Developments in Laurentia’s Ancient History
  Wednesday, 22 October 2014

  1:00 PM - 5:00 PM

  122

---

2013

• DATING FLUID FLOW IN ARCHEAN TERRANES: U-PB AGE DEPTH-PROFILES OF ZIRCON FROM THE NORTH CARIBOU GREENSTONE BELT, CANADA
  T315 Recent Advances and Applications of Isotope Geochemistry and Geochronology to Ore Deposit Studies
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Room 303
• EVIDENCE FOR CA. 1520 MA METATUFF IN THE PILAR FORMATION, PICURIS MOUNTAINS, NORTHERN NEW MEXICO, USA
  T264 Regional to Global Perspectives on the Formation, Assembly, and Tectonic Evolution of Western North America from the Neoarchean through the Mesoproterozoic (Posters)
  Tuesday, 29 October 2013

  9:00 AM - 6:30 PM

  Hall D
• INTERACTIONS BETWEEN AXIAL AND TRANSVERSE DRAINAGE SYSTEMS IN THE CORDILLERAN FORELAND BASIN: EVIDENCE FROM DETRITAL ZIRCONS IN THE STRAIGHT CLIFFS FORMATION (CONIACIAN-SANTONIAN), SOUTHERN UTAH
  T215 Sevier to Laramide Tectonism along the Western Laurentian Margin: Sedimentologic and Stratigraphic Constraints on Cretaceous-Tertiary Magmatism, Deformation, and Orogenic Exhumation
  Tuesday, 29 October 2013

  8:00 AM - 12:00 PM

  Room 203
• DETRITAL ZIRCON EVIDENCE FOR MIXING OF MAZATZAL PROVINCE AGE DETRITUS WITH YAVAPAI (CA. 1700–1740 MA) AND OLDER DETRITUS IN THE CA. 1650 MA MAZATZAL PROVINCE OF CENTRAL NEW MEXICO, USA
  T264 Regional to Global Perspectives on the Formation, Assembly, and Tectonic Evolution of Western North America from the Neoarchean through the Mesoproterozoic (Posters)
  Tuesday, 29 October 2013

  9:00 AM - 6:30 PM

  Hall D
• EVIDENCE AND CONTEXT FOR THE FIRST OCCURRENCE OF MESOPROTEROZOIC CA. 1450 MA RHYOLITE MAGMATISM IN THE SOUTHWEST, MARQUEÑAS FORMATION, PICURIS MOUNTAINS, NEW MEXICO, USA
  T264 Regional to Global Perspectives on the Formation, Assembly, and Tectonic Evolution of Western North America from the Neoarchean through the Mesoproterozoic (Posters)
  Tuesday, 29 October 2013

  9:00 AM - 6:30 PM

  Hall D
• TECTONIC EVOLUTION OF MAFIC DYKES IN A SUTURE ZONE, SOUTHERN IBERIA: IMPLICATIONS FOR THE EVOLUTION OF THE MANTLE DURING THE FORMATION OF PANGEA
  T116 Gondwanan Terranes along Laurentian Margins
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Room 505
• NEW U–PB ZIRCON AGE CONSTRAINTS FOR CA. 1520 TO 1450 MA SEDIMENTATION AND VOLCANISM IN THE SOUTHWESTERN UNITED STATES AND SOME THOUGHTS ABOUT THE PROPOSED CA. 1480–1400 MA PICURIS OROGENY
  T189 Regional to Global Perspectives on the Formation, Assembly, and Tectonic Evolution of Western North America from the Neoarchean through the Mesoproterozoic
  Monday, 28 October 2013

  1:00 PM - 5:00 PM

  Room 304
• EVIDENCE FOR A CONTRACTIONAL MESOPROTEROZOIC (CA. 1.45 GA) OROGENY IN THE SOUTHWESTERN UNITED STATES: THE PICURIS OROGENY
  11 Tectonic Evolution of South-Central Laurentia I: Megacontinents and Exotic Terranes, Orogenic Belts and Rifts: Celebrating the Career of Wm. R. Muehlberger
  Thursday, 4 April 2013

  1:30 PM - 5:30 PM

  Classroom 105

---

2012

• DETRITAL ZIRCON EVIDENCE FOR MESOPROTEROZOIC DEPOSITION, OROGENESIS AND NON-LAURENTIAN PROVENANCE IN THE PICURIS MOUNTAINS, NEW MEXICO, USA
  5 Precambrian Geology
  Sunday, 4 November 2012

  8:00 AM - 12:00 PM

  211AB

---

2011

• THE REPULSE BAY BLOCK: A WINDOW INTO THE MIDDLE CRUST OF A PROTEROZOIC COLLISIONAL OROGEN
  T201 From Nuna to Rodinia: Proterozoic Growth and Evolution of Laurentia II
  Tuesday, 11 October 2011

  1:30 PM - 5:30 PM

  Room 200DE
• CONSTRAINING THE TIMING OF MONAZITE GROWTH IN METAPELITIC LEUCOSOMES BY MONITORING MELT SATURATION PROXIES IN PERITECTIC PHASES
  T130 Monazite: The Ultimate Geologic Record
  Monday, 10 October 2011

  1:30 PM - 5:30 PM

  Room 102BC

---

2007

• TIMING AND DURATION OF HIGH-P GRANULITE FACIES METAMORPHISM IN THE NORTHERN TETON RANGE, WYOMING
  T74 The Structure, Composition and Evolution of the Lithosphere of Western North America I
  Monday, 29 October 2007

  8:00 AM - 12:00 PM