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Edward L. McCollough Chair; David L. Boren Professor
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Lab Group

Past and Present Graduate & Post-Doctoral Advisees

  • Nevin Kozik, Post-doctoral researcher 2024- 
  • Andrew Oordt, PhD in progress, title TBD
  • Nick Evett, MS in progress, title TBD
  • Alexis Griner, MS in progress, title TBD
  • Sean O’Neil, MS in progress, Landform characterization of Unaweep Canyon, an enigmatic feature of the Uncompahgre Plateau.
  • Declan Martin, MS in progress, Silt additions to granitoid-hosted soils in the Mediterranean
  • MacKenzie Flynn, MS in progress, Recent dust influx and drought history of the Southern Plains.
  • Danielle Brunig, MS 2025, Assessing the origin and age of the buried sediment-bedrock interface in Unaweep Canyon; manuscript in preparation.
  • Karen Valles, MS, 2024, A paleoclimate and fire history from the Early Pleistocene of Unaweep Canyon, Colorado; manuscript in preparation.
  • Austin McGlannan, PhD, 2024, Controls on deposition and carbon burial in late Paleozoic mudstones of the midcontinent. Papers published in Journal of Sedimentary Research (2022), and Global and Planetary Change (2025).
  • Alicia Bonar, PhD 2023, Dust generation in tropical soils, impacts of atmospheric dust on carbon cycling, Neoproterozoic loess. Papers published in Journal of Geophysical Research Earth Surface (2023), and Geosphere (2024).
  • Lily Pfeifer, PhD  2020, Post-doctoral researcher 2021, Permian loess and equatorial glaciation in eastern equatorial Pangaea (France). Published in Geological Society of America Bulletin (2021), Frontiers in Earth Sciences (2020), Journal of Geoscience Education (2021), and Geology (2021); post-doctoral research published in Scientific Reports (2025) and Global and Planetary Change (2025)
  • Patrick Kelly, MS 2020, Giant grains in atmospheric dust of the late Paleozoic Panthalassic Ocean (Akiyoshi Atoll, Japan). Published in Journal of Sedimentary Research, (2025).
  • Steve Adams, M.S. 2018, PhD 2023, Evaluating silt generation using field, experimental, and remote-sensing methods. MS research published in Geology (2020); PhD published in Planetary Science Journal (2025), and in review.
  • Mehrdad Sardar Abadi, Post-doctoral researcher 2017-2020; Atmospheric dust from the Pennsylvanian-Permian of northeastern Gondwana (Iran) and implications for carbon cycling. Published in Palaeo3 (2019), Geology (2020), and Geological Society of America Bulletin (2020).
  • Andrew Oordt, M.S. 2019, Atmospheric dust from the Carboniferous Wordiekammen carbonate platform, Spitsbergen, Published in Journal of Sedimentary Research (2020).
  • Curtis Smith, M.S. 2016, SEM microtextural analysis as a paleoclimate tool for fluvial deposits: A modern test. Published in Geological Society of America Bulletin (2018).
  • Carlos Carvajal, M.S. 2016, Atmospheric dust from the Pennsylvanian Copacabana Formation (Bolivia): A high-resolution record of paleoclimate and volcanism from northwestern Gondwana. Published in Gondwana Research (2018).
  • Xiao Qi, M.S. 2016, An icehouse dust record from the Upper Paleozoic Akiyoshi Limestone (Japan).
  • Young Ji Joo, Post-Doctoral Researcher 2013-2016, Investigations of physical and chemical weathering in fluvial systems of contrasting climatic regions. Published in Sedimentology (2016), Geology (2018), Geosciences Journal (2018), and Geophysical Research Letters (2022).
  • Lily Pfeifer, M.S., 2014, Detrital zircon geochronology of Upper Carboniferous-Permian strata in the Lodéve Basin, France. Published in Basin Research (2016).
  • Kristen Marra, Ph.D., Physical and chemical weathering in alluvial systems of the Antarctic Dry Valleys. Published in Geomorphology (2014, 2017), and Applied Geochemistry (2015).
  • Leslie Keiser, Ph.D., 2013, Physical and chemical weathering in modern and Permian proximal fluvial systems. Published in Journal of Sedimentary Research (2014, 2015).
  • Tyler Foster, M.S., 2013, Environments and provenance of redbeds of the Dog Creek Shale (Midcontinent): Implications for Middle Permian paleoclimate in western Pangaea. Published in Paleo3 (2014).
  • Thaddeus Eccles, M.S., 2013, Structure of the southwestern Uncompahgre Plateau (western Colorado) near Unaweep Canyon. Maps to be published.
  • Elisheva Patterson, M.S. 2011, Fluctuating dust in the Late Paleozoic ice house: records from an oceanic atoll, Akiyoshi, Japan.
  • Alisan Sweet, M.S. 2011, Sedimentologic, geochemical, and detrial zircon data from the Middle Permian El Reno Group of northwest Oklahoma: Implications for paleogeography and wind patterns of western Pangaea. Published in Sedimentary Geology (2013).
  • Dustin Sweet, Ph.D., 2009, Glaciation in equatorial Pangaea: Testing the hypothesis in the Pennsylvanian-Permian Fountain Formation (Colorado). Published in Paleo3 (2008), GSA Bulletin (2010), Journal of Sedimentary Research (2010), and Geology (2012).
  • Sohini Sur, Ph.D., 2009, An integrated sedimentological and geochemical study to test the possible links between late Paleozoic climate change, atmospheric dust influx, and primary productivity in the Horseshoe Atoll, west Texas. Published in Journal of Sedimentary Research (2010a, b) and Geology (2015).
  • Kristen Marra, M.S., 2008, Late Cenozoic geomorphic and climatic evolution of the northeastern Colorado Plateau as recorded by Plio-Pleistocene sediment fill in Unaweep Canyon. Published in Geosphere.
  • Alice Stagner, M.S., 2008, Eolian silt in upper Paleozoic carbonates of the Bird Spring Formation (Arrow Canyon, Nevada): Implications for climate-controlled sedimentation. Published in Journal of Sedimentary Research (2010).
  • Kate Moore, M.S., 2007, Late Paleozoic stratigraphic and structural relationships in the proximal Cutler Formation, Paradox Basin, Colorado. Published in The Mountain Geologist (2008) [Best Paper Award].
  • Sara Kaplan, M.S., 2006, Revealing Unaweep Canyon: The late Cenozoic exhumation history of Unaweep Canyon as recorded by gravels in Gateway, Colorado. Published in Geosphere (2015).
  • Sabata Pereira, M.S., 2005, Variations in detrital flux recorded in Upper Pennsylvanian mounds of Horseshoe Atoll, Texas.
  • Katherine Hartig, M.S., 2003, Origin of dolomite in loessitic paleosols of the lower Permian Abo-Tubb unit, northeastern New Mexico.  Published in Journal of Sedimentary Research (2011).
  • Andrew Moses, M.S., 2003, Loessitic origin, provenance, and paleoclimatic significance of siltstone within the Pennsylvanian-Permian Earp Formation and equivalents, Arizona. Published in Sedimentology (2007).
  • Shane Seals, M.S., 2002, Siliciclastic facies, paleodispersal, sequence stratigraphy, and thickness trends in the late Pennsylvanian western Orogrande basin (New Mexico): Implications for basin paleogeography and subsidence. Published in New Mexico Museum of Natural History Bulletin (2013).
  • Kristy Tramp, M.S., 2000, Integrated sedimentologic, geochemical, and rock magnetic data as a high-resolution record of pedogenesis in the Pennsylvanian Maroon Formation loessite (Colorado). Published in GSA Bulletin (2004).
  • Patrick Doherty, M.S., 2000, Characterization of an exhumed reservoir: A composite phylloid algal mound of the western Orogrande basin, New Mexico. Published in AAPG Bulletin (2002).
  • Jennifer Kessler, M.S., 1999, Depositional and pedogenic evidence for early to middle Permian aridity in western equatorial Pangea. Published in Journal of Sedimentary Research (2001).