21 The Upper Cretaceous Mancos Group on the Colorado Plateau

Tuesday, 20 May 2025
8:00 AM - 9:45 AM
Cascade E

Participants

• Chair James I. Kirkland
• Chair Michael King
• Chair Joshua Lively

Presentations

• 8:00 AM
  TYPE SECTION OF THE MANCOS SHALE REVISITED, MESA VERDE NATIONAL PARK, COLORADO
  R. Mark Leckie, University of Massachusetts Amherst, Amherst, MA and James I. Kirkland, Utah Geological Survey, Salt Lake City, UT and Walter W. Nelson, Colorado School of Mines, Golden, CO
  409965 (Theme Sessions)
• 8:15 AM
  RAISING THE MANCOS SHALE TO A GROUP: JUSTIFICATIONS AND METHODOLOGIES
  James I. Kirkland, Utah Geological Survey, Salt Lake City, UT and Michael King, Western Colorado University, Gunnison, CO and Joshua Lively, Utah State University Eastern, Price, UT and Kevin Bylund, Spanish Fork, UT and Stefan Kirby, Utah Geological Survey, Salt Lake City, UT
  409219 (Theme Sessions)
• 8:30 AM
  WHICH SIDE OF WOODSIDE: LITHOSTRATIGRAPHIC CONFUSION AND POTENTIAL RESOLUTION
  Michael King, Western Colorado University, Gunnison, CO and James I. Kirkland, Utah Geological Survey, Salt Lake City, UT and Joshua Lively, Utah State University Eastern, Price, UT and Kevin Bylund, Spanish Fork, UT
  410275 (Theme Sessions)
• 8:45 AM
  SUBDIVISION OF MANCOS SHALE FOR GEOLOGIC MAPPING IN WESTERN COLORADO
  David C. Noe, OMI, Inc., Huntsville, AL
  410298 (Theme Sessions)
• 9:00 AM
  MAPPING MEMBERS OF THE MANCOS SHALE IN COLORADO
  Jonathan White, Colorado School of Mines, Golden, CO and Matthew Morgan, Colorado School of Mines, Golden, CO
  410113 (Theme Sessions)
• 9:15 AM
  ORGANIC MATTER PRODUCTION AND PRESERVATION DURING T-R CYCLES OF THE SMOKY HILL MBR. (MIDDLE CONIACIAN-MIDDLE SANTONIAN), MANCOS SHALE, CRETACEOUS WESTERN INTERIOR SEAWAY
  Jeff Salacup, University of Massachusetts Amherst, Amherst, MA and R. Mark Leckie, University of Massachusetts Amherst, Amherst, MA and James I. Kirkland, Utah Geological Survey, Salt Lake City, UT and Steven Petsch, University of Massachusetts Amherst, Amherst, MA
  410119 (Theme Sessions)
• 9:30 AM
  PALEOGEOGRAPHIC EVOLUTION OF THE WESTERN INTERIOR SEAWAY OF NORTH AMERICA: QUANTIFYING GEOGRAPHIC CHANGES FROM THE CONIACIAN TO MAASTRICHTIAN
  Joshua Slattery, University of Wyoming, Laramie, WY and Keith Minor, The University of Texas at Austin, Austin, TX and Neil Landman, American Museum of Natural History, New York, NY and J. Kirk Cochran, Larson Paleontology Unlimited, Hill City, SD and Mitchell Hastings, Pittsburgh, PA and Ashley L. Sandness, Cheyenne, WY and Zachary Tenney, University of Wyoming, Laramie, WY
  410214 (Theme Sessions)