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Activity

2025

• EVIDENCE AT THE SUTTER BUTTES VOLCANO FOR TOPOGRAPHIC EVOLUTION OF THE SACRAMENTO VALLEY, NORTHERN CALIFORNIA
  2 Mysteries of the Sierra Nevada
  Wednesday, 2 April 2025

  8:00 AM - 12:00 PM

  Fresno

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2019

• THE THERMAL EVOLUTION OF THE BUSHVELD COMPLEX: INSIGHTS FROM 40AR/39AR DATING OF BIOTITE
  T163 The Solidification Path of Magma—Information from Igneous Rocks, Eruptions, and Experimental Petrology: In Honor of the Mineralogical Society of America Awardee for 2019, Olivier Namur
  Tuesday, 24 September 2019

  8:00 AM - 12:00 PM

  Room 126ABC, North Building

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2018

• CONSTRAINING THE MID-TEMPERATURE THERMAL AND HYDROTHERMAL HISTORY OF THE BUSHVELD IGNEOUS COMPLEX: INSIGHTS FROM APATITE U-PB AND BIOTITE AR-AR GEOCHRONOLOGY
  T89 Magmas Assemble! Petrologic, Geochemical, Chronologic, and Geophysical Insights into the Architecture and Timescales of Magmatic Systems
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Room 240-241

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2013

• PROGRESS ON INTER-LABORATORY CALIBRATION OF ARGON ISOTOPE MEASUREMENTS
  T114 Recent Advances in Geochronology—Celebrating the 100th Anniversary of the Publication of the “The Age of the Earth” by Arthur Holmes
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 1EF

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2009

• INQUIRY-BASED LEARNING IN GEOSCIENCE CLASSROOMS: INTERACTIVE ACTIVITIES AND DEMONSTRATIONS
  29 Geoscience Education (Posters)
  Sunday, 18 October 2009

  9:00 AM - 6:00 PM

  Hall A
• MIOCENE TO RECENT VOLCANIC HISTORY OF WESTERN NICARAGUA AND GEOCHEMICAL EVOLUTION OF THE VOLCANIC FRONT
  19 Central American Volcanism - A Tribute to Bill Rose
  Friday, 3 April 2009

  8:00 AM - 12:00 PM

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2007

• 40AR/39AR AND PETROLOGIC EVIDENCE FOR AN ALLEGHANIAN TECTONOTHERMAL EVENT IN THE NEW JERSEY COASTAL PLAIN BASEMENT FROM AMPHIBOLITE-FACIES GNEISS IN THE ISLAND BEACH STATE PARK WELL
  12 Rev. James W. Skehan S.J.—Geologist, Teacher, Mentor, Priest: A Jesuit Journey II
  Monday, 12 March 2007

  1:00 PM - 4:45 PM

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2006

• TOWARD A REVISED CALIBRATION OF THE PALEOGENE TIMESCALE
  T18 The EARTHTIME Project I
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM
• A POSSIBLE STANDARD FOR BOTH U/PB AND AR/AR DATING: THE CARBONIFEROUS FIRE CLAY TONSTEIN
  T42 The EARTHTIME Project II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM

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2005

• BLAISE PASCAL ON THE 40AR/39AR LASER SINGLE CRYSTAL DATING OF CONTAMINATED VOLCANIC ASHES
  T14 Advances and Applications of Tephrochronology and Tephrostratigraphy I: In Honor of Andrei M. Sarna-Wojcicki
  Sunday, 16 October 2005

  8:00 AM - 12:00 PM

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2003

• THE TECOLOTLAN GRABEN: A RECORD OF SEDIMENTATION AND VOLCANISM FROM CRETACEOUS AND TERTIARY VOLCANIC ARCS
  34 Sedimentation in Ancient and Recent Volcanic Arcs
  Thursday, 3 April 2003

  8:30 AM - 12:05 PM

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Date Unknown

• PETROLOGY, GEOCHEMISTRY AND 40AR/39AR DATING OF OLDEANI VOLCANO, NORTHERN TANZANIA
  201 Geochemistry, Other (Posters)
• GEOCHRONOLOGY AND GEOCHEMISTRY OF LAVAS FROM OLMOTI CRATER TANZANIA: IMPLICATION FOR OLDUVAI BED I TEPHRA AND LAVA SOURCES
  127 Petrology and Volcanology (Posters)