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David W. Marchetti

David W. Marchetti

Professor of Geology


Ph.D., University of Utah, 2006
M.S., University of Utah, 2002
B.A., State University of New York, College at Geneseo, 1996



Courses I regularly teach

  • GEOL 320 Geomorphology
  • GEOL 363 Environmental Geochemistry
  • GEOL 430 Hydrogeology
  • GEOL 101 Physical Geology
  • PHYS 120 Meteorology
  • ENVS 373 The Water Planet
  • GEOL 380 Paleoclimatology
  • GEOG 340 Intro to GIS

Research Interests

  • Cosmogenic exposure age dating
  • Geologic Mapping of the Fish Lake Plateau, Utah
  • Gravel capped benches near Capitol Reef National Park
  • Glacial history of Boulder Mountain, Utah
  • Western US paleoclimate from Fish Lake, UT sediments
  • Hydrology of the upper Gunnison River basin
  • Stable isotopes in meteoric waters
  • Aqueous geochemistry

Student Research

Undergraduate students who have undertaken a geologic research project are at a tremendous advantage when applying for graduate school and jobs. Here are some recent and presently active projects:

  • Zane Wasicko: Rock glaciers in the upper Gunnison River basin
  • Austen Shirley: Rock crushing and mineral separation for cosmogenic 3He dating
  • Rayni Lewis: Fluvial hydrology changes from beaver dam analogues
  • Michael Carsen Floyd: Cosmogenic 3He dating of Boulder Mtn moraines
  • Gordon Gianniny: Hydrology of Uncompahgre fritillary butterfly sites
  • Manya Ruckhaus: Springs and hydrology of the Copper Creek drainage
  • Amy Allbritton: Geomorphology related to soil carbonate rind formation
  • Austen Beason: Geomorphology related to soil carbonate rind formation
  • Mike Jury: Geologic Mapping of the Torrey 7.5 minute quadrangle, Utah
  • Tom Jeute: Gunnison River alluvial aquifer characterization
  • Mark Mikos: Geologic mapping of the Forsyth Reservoir 7.5 minute quadrangle, Utah
  • Rebekah Parks: Geologic mapping of the Forsyth Reservoir 7.5 minute quadrangle, Utah
  • James Haag: Stable isotope ratios of precipitation in the Gunnison Basin, Colo. 

Recent Publications

  • Laabs, B.J., Licciardi, J.M., Leonard, E.M., Munroe, J.S., & Marchetti, D.W., 2020, Updated cosmogenic chronologies of Pleistocene mountain glaciation in the western United States and associated paleoclimate inferences. Quaternary Science Reviews, 242, 106427
  • ​​ Marchetti, D.W., Stork, A.L., Solomon, D.K., Cerling, T.E., and Mace, W. 2020, Cosmogenic 3He exposure ages of basaltic flows from Miller Knoll, Panguitch Lake, Utah: using the alternative isochron approach to overcome low-gas crushes: Quaternary Geochronology, 55, 1010135.
  • Carroll, R. W. H., Manning, A. H., Niswonger, R., Marchetti, D.W., & Williams, K. H., 2020, Baseflow age distributions and depth of active groundwater flow in a snow dominated mountain headwater basin. Water Resources Research, 56, e2020WR028161.
  • Huth, T.E., Cerling, T.E., Marchetti, D.W., Bowling, D.R., Ellwein, A.L., Passey, B.H., Fernandez, D.P., Valley, J.W., Orland, I.J., 2020 Laminated soil carbonate rinds as a paleoclimate archive of the Colorado Plateau, Geochimica et Cosmochimica Acta, v. 282, p. 227−244
  • Marchetti, D.W. and Marchetti, S.B., 2019, Stable isotope compositions of precipitation from Gunnison, Colorado 2007–2016: implications for the climatology of a high-elevation valley: Heliyon, v. 5.
  • Huth, T.E., Cerling, T.E., Marchetti, D.W., Bowling, D.R., Ellwein, A.L., and Passey, B.H. 2019, Seasonal bias in soil carbonate formation and its implications for interpreting high‐resolution paleoarchives: evidence from southern Utah: Journal of Geophysical Research–Biogeosciences, 124.
  • Marchetti, D.W., Anderson, L., Donovan, J.J., Harris, M.S., and Huth, T., 2018, Fish Lake limnology and watershed aqueous geochemistry, Fish Lake Plateau, Utah, in Emerman, S.H., Simmons, S., Bowen, B., and Schamel, S., editors, Geofluids of Utah: Utah Geological Association Publication 47, p. 55–74.
  • Reilly, B.T., Stoner, J.S., Hatfield, R.G., Abbott, M.B., Marchetti, D.W., Larsen, D.J., Finkenbinder, M.S., Hillman, A.L., Kuehn, S.C., and Heil Jr., C.W., 2018, Regionally consistent western North America paleomagnetic directions from 15–35 ka: Assessing chronology and uncertainty with paleosecular variation stratigraphy (PSV): Quaternary Science Reviews v. 201, p. 186–205.
  • Marchetti, D.W., Hynek, S.A., and Cerling, T.E., 2014, Cosmogenic 3He exposure ages of basalt flows in the northwestern Payún Matru volcanic field, Mendoza Province, Argentina: Quaternary Geochronology v. 19, p. 67−75.

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