43 Unraveling the History of the Rio Grande Rift: From Contraction to Extension and Evolution of the Rift

Thursday, 17 March 2022
1:30 PM - 5:30 PM
CBC-A 110

Presentations

• 1:30 PM
  DEVELOPMENT OF THE RIO GRANDE RIFT SYSTEM FROM ASSESSMENT OF SPATIOTEMPORAL PATTERNS IN FAULTING AND MAGMATISM
  Alyssa Abbey, California State University Long Beach, Long Beach, CA and Nathan Niemi, University of Michigan, Ann Arbor, MI
  373804 (Theme Sessions)
• 1:50 PM
  CHARACTERISTICS AND ORIGIN OF HIGH-GRADE METAMORPHISM OF THE PENNSYLVANIAN MINTURN FORMATION IN THE SANGRE DE CRISTO MOUNTAINS, SOUTHERN COLORADO
  Samantha Malavarca, Colorado State University, Fort Collins, CO and John Singleton, Colorado State University, Fort Collins, CO and Michael Sitar, Colorado State University, Fort Collins, CO and Benjamin Byars, Colorado State University, Fort Collins, CO and J.F. Magloughlin, Colorado State University, Fort Collins, CO and Jeffrey Rahl, Washington and Lee University, Lexington, VA
  374166 (Theme Sessions)
• 2:10 PM
  ASSESSING CRUSTAL CONTAMINATION IN ~25 MA MAFIC ROCKS IN THE DULCE SWARM WITH ND-SR ISOTOPIC DATA, SOUTHWESTERN COLORADO
  W. Mathew McCormick, Fort Lewis College, Durango, CO and David Gonzales, Fort Lewis College, Durango, CO
  373722 (Theme Sessions)
• 2:30 PM
  GEOLOGIC MAPPING AND KINEMATIC ANALYSIS OF THE BRITTLE-PLASTIC INDEPENDENCE MINE SHEAR ZONE IN THE SANGRE DE CRISTO RANGE, SOUTHERN COLORADO: OLIGOCENE-MIOCENE EXTENSIONAL REACTIVATION OF A LARAMIDE REVERSE FAULT
  Michael Sitar, Colorado State University, Fort Collins, CO and John Singleton, Colorado State University, Fort Collins, CO and Jeffrey Rahl, Washington and Lee University, Lexington, VA and Jonathan Caine, Geology, Geophysics, and Geochemistry Science Center, Denver, CO and Jacob King, Colorado State University, Fort Collins, CO
  373821 (Theme Sessions)
• 3:05 PM
  AGE AND FLUVIAL EVOLUTION OF THE PALEO-RIO CHAMA, THE MAIN HEADWATER OF THE LATE MIOCENE AXIAL RIVER IN THE RIO GRANDE RIFT, USA
  Daniel Koning, New Mexico Institute of Mining and Technology, Socorro, NM and Giday WoldeGabriel, Santa Fe, NM and David E. Broxton, Newport News Nuclear, Los Alamos, NM
  374160 (Theme Sessions)
• 3:25 PM
  DETRITAL ZIRCON PROVENANCE TRENDS FROM PLIO-PLEISTOCENE, AXIAL-FLUVIAL STRATA OF THE RIO GRANDE RIFT: A ~4 M.Y. HISTORY OF THE ANCESTRAL RIO GRANDE FLUVIAL SYSTEM, NEW MEXICO
  Shay Ridl, University of Iowa, Iowa City, IA and Brian A. Hampton, New Mexico State University, Las Cruces, NM
  374171 (Theme Sessions)
• 3:45 PM
  THE HYDROCLIMATE RESPONSE TO WARMING IN THE SOUTHWESTERN US: A STUDY ACROSS THE MID-MIOCENE CLIMATE OPTIMUM
  Siânin Spaur, Colorado State University, Fort Colins, CO and Siânin Spaur, Lehigh University, Bethlehem, PA and Jeremy Rugenstein, Colorado State University, Fort Collins, CO and Daniel Koning, New Mexico Institute of Mining and Technology, Socorro, NM and Matthew T. Heizler, New Mexico Geochronology Research Laboratory, Socorro, NM and Scott B. Aby, Muddy Spring Geology, Ojo Sarco, NM and Elizabeth Driscoll, Franklin and Marshall College, Lancaster, PA
  374033 (Theme Sessions)
• 4:05 PM
  THE CENTRAL COLORADO ICEFIELD AND MIS 12-11 (~480-370 KA): A MECHANISM FOR PROTRACTED FLUVIAL INTEGRATION OF FRAGMENTED WATERSHEDS, AND ~250-300 METERS OF LANDSCAPE RELIEF, NORTHERN RIO GRANDE RIFT-SOUTHERN ROCKY MOUNTAINS, COLORADO AND NEW MEXICO, U.S.A
  Cal Ruleman, Geosciences and Environmental Change, Lakewood, CO and John B. Rogers, Central New Mexico Community College, Albuquerque, NM and Marith Reheis, U.S. Geological Survey, Denver, CO and Marith Reheis, Geosciences and Environmental Change Science Center, Denver, CO and Kenzie Turner, Geosciences and Environmental Change Science Center, Denver, CO and Ren Thompson, Geosciences and Environmental Change Science Center, Denver, CO and Adam Hudson, Geosciences and Environmental Change, Lakewood, CO and Adam Hudson, U.S. Geological Survey, Denver, CO and Rachel Sortor, Tulane University, New Orleans, LA and Brent M. Goehring, Tulane University, New Orleans, LA and Keith Brugger, University of Minnesota, Morris, Morris, MN and Marc W. Caffee, Purdue University, West Lafayette, IN and Tanya Goehring, Tulane University, New Orleans, LA and Michael Frothingham, University of Colorado at Boulder, Boulder, CO and Sylvia Nicovich, N/A
  373878 (Theme Sessions)