167 Integrating Geochronology and Geochemistry to Decipher the Tectonic Evolution of Orogenic Belts

This session focuses on deciphering magmatic, metamorphic, depositional and deformational events recorded in orogenic belts via the integration of geochemistry and geochronology. We welcome contributions from modern applications of analytical methods aimed at unraveling orogenic events worldwide, fostering interdisciplinary discussion.

Tuesday, 21 October 2025
8:00 AM - 12:00 PM
HBGCC, 217B

Participants

• Chair I. Dogancan Yasar
• Chair Yvette Kuiper
• Chair Christopher Holm-Denoma
• Chair David Foster

Presentations

• 8:05 AM
  Late Triassic Initiation of the Talkeetna Arc along the Wrangellia Composite Terrane Margin, Kodiak Archipelago and Alaska Peninsula, Alaska
  Brandon Keough, Purdue University, West Lafayette, IN and Michael Eddy, Purdue University, West Lafayette, IN and Kenneth Ridgway, Purdue University, West Lafayette, IN
  412143 (Technical Sessions)
• 8:20 AM
  Late Cretaceous to Eocene petro-tectonic setting of the northern Coast Mountains batholith, British Columbia and southeast Alaska
  Robinson Cecil, CSU Northridge, Northridge, CA and Margaret Rusmore, Occidental College, Los Angeles, CA and Harold Stowell, Univ Alabama - TuscaloosaDept Geol Sci, Tuscaloosa, AL
  414601 (Technical Sessions)
• 8:35 AM
  The Late Ediacaran to Late Devonian tectonic history of the Seychelles microcontinent: insights from in situ 40Ar/39Ar geochronology
  John Shellnutt, National Taiwan Normal University, Department of Earth Sciences, Taipei and Meng-Wan Yeh, NTNU, Taipei and Chi Pham, National Taiwan Normal University, Taipei, Taiwan and M.P. Manu Prasanth, Yangtze University, Wuhan, Hubei
  412154 (Technical Sessions)
• 8:50 AM
  The long-lived eclogite-facies metamorphism of an orogenic belt revealed by zircon petrochronology and whole-rock geochemistry.
  David Hernandez Uribe, University of Illinois, Chicago, Chicago, IL and Chris Mattinson, Central Washington University, Ellensburg, WA and Jianxin Zhang, Chinese Academy of Geological Sciences, Beijing and Andrew Kylander-Clark, University of California, Santa Barbara, Santa Barbara, CA
  412210 (Technical Sessions)
• 9:10 AM
  Deciphering early shear zone slip: combined titanite petrochronology and microstructural analysis from the Ross Lake fault system, North Cascades, Washington
  Stacia Gordon, University of Nevada-Reno, Reno, NV and Robert Miller, San Jose State University, Gilroy, CA and Michael Eddy, Purdue University EAPS Dept., West Lafayette, IN and Alex Hoinville, University of Nevada-Reno, Reno, Nevada
  412385 (Technical Sessions)
• 9:25 AM
  High temporal resolution record of flare-up magmatism reveals tectonic and local controls on crustal thickening in the Cretaceous North Cascades continental arc
  Sourav Karmakar, Purdue University, West Lafayette, IN and Sarnav Bakshi, University of Nevada, Reno, NV and Stacia Gordon, University of Nevada-Reno, Reno, NV and Robert Miller, San Jose State University, Gilroy, CA and Michael Eddy, Purdue University EAPS Dept., West Lafayette, IN
  413200 (Technical Sessions)
• 9:40 AM
  The temporal control on the isotopic compositions of the Antarctic Peninsula arc
  Joaquin Bastias Silva, University of Geneva, Geneva and David Chew, Trinity College Dublin, Dublin and Teal Riley, British Antarctic Survey, Cambridge
  413385 (Technical Sessions)
• 10:10 AM
  Using geochronology and geochemistry to unravel the tectonomagmatic history of Cape Breton Island, Nova Scotia, Canada and its role in understanding the Appalachian-Caledonide orogen.
  Deanne van Rooyen, Acadia University, Wolfville, NS and Sandra Barr, Acadia University, Wolfville, NS and Chris White, Acadia University, Wolfville, NS
  414659 (Technical Sessions)
• 10:30 AM
  Unravelling the Extent and Conditions of Multiple Paleozoic Metamorphic Events in the Southern Appalachian Blue Ridge in northern Georgia: Insights from REE Accessory Phase Petrochronology
  Jillian Cavellier, University of Kentucky, Lexington, KY and Ryan Thigpen, University of Kentucky, Lexington, KY and David Moecher, University of Kentucky, Lexington, KY and Nicholas Powell, USGS, Herndon, VA and Brandon Spencer, Oklahoma State University, Edmond, OK
  414102 (Technical Sessions)
• 10:45 AM
  Silurian Zircon Age from the Chunky Gal Mountain Amphibolite (NC, USA)
  I. Dogancan Yasar, University of Florida, Gainesville, FL and Zachary Davis, University of Florida, Gainesville, FL and Brent Miller, Texas A&M University, College Station, TX
  414938 (Technical Sessions)
• 11:00 AM
  Crustal Thickness Evolution of the Southern Central Andes (~35 °S): Insights from Igneous Paleomohometry and Zircon Petrochronology
  Chance Ronemus, Idaho State University, Pocatello, Idaho and Caden Howlett, Utah State University, Logan, UT and Barbara Carrapa, The University of Arizona, Tucson, AZ and Andrés Echaurren, CONICET, Mendoza and Matías Barrionuevo, CONICET, Mendoza and Jesse Mosolf, Montana Technological University, Butte, MT and Michelle Foley, University of Arizona, Tucson, AZ
  414106 (Technical Sessions)
• 11:15 AM
  Miocene ages of monazite and titanite in Orocopia Schist and included metasomatized rocks at Cemetery Ridge, southwest Arizona
  Suzanne Craddock Affinati, Northern Arizona University, Flagstaff, AZ and Omar Droubi, University of Wisconsin-Madison, Madison, WI and Thomas Hoisch, Northern Arizona Univ, Sedona, AZ 86351, USA, AZ and Chloe Bonamici, University of Wisconsin Madison, Madison, WI and Chloe Cummings, Northern Arizona University, Flagstaff, AZ and Zoe Durica, Northern Arizona Univerity, Flagstaff, AZ and Gabe Epstein, University of Miami, Flagstaff, AZ and Gordon Haxel, Northern Arizona University, Flagstaff, AZ and Carl Jacobson, Iowa State U/West Chester U, Malvern, PA
  414307 (Technical Sessions)
• 11:30 AM
  Decoding Tectono-Magmatic Evolution Through Skarns: The Sidi Bou Othmane Case Study, Including Metamorphic and Metallogenic Insights
  Abdennour Benzbir, Cadi Ayyad University, Marrakech and Amina Wafik, Cadi Ayyad University, Marrakech
  413988 (Technical Sessions)