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Greg A. Valentine, Ph.D.

Department of Geology, Professor
Center for GeoHazards Studies, Director

Specialty/Research Focus

 Volcanic risk; Basaltic volcanic fields; Pyroclastic deposits; Volcano fluid dynamics; Volcaniclastic and surface processes.

Recent Publications

  1. Valentine GA, Doronzo DM, Dellino P, de Tullio MD (2011) Effects of volcano profile on dilute pyroclastic density currents: numerical simulations. Geology 39: 947-950, doi: 10.1130/G31936.1
  2. Valentine GA, Shufelt NL, Hintz ARL (2011) Models of maar volcanoes, Lunar Crater (Nevada, USA). Bulletin of Volcanology 73: 753-765, doi:10.1007/s00445-011-0451-6
  3. Valentine GA, Bonadonna C, Manzella I, Clarke A, Dellino P (2011) Large-scale experiments on volcanic processes. Eos, Transactions, American Geophysical Union 92:89-96.
  4. Doronzo DM, Valentine GA, Dellino P, de Tullio MD (2010) Numerical analysis of the effect of topography on deposition from dilute pyroclastic density currents.Earth and Planetary Science Letters 300: 164-173, doi:10.1016/epsl.2010.10.003 
  5. Genareau K, Valentine GA, Moore G, Hervig RL (2010) Mechanisms for transitions in eruptive style at a monogenetic scoria cone revealed by microtextural analyses (Lathrop Wells volcano, Nevada, USA). Bulletin of Volcanology 72: 593-607, doi 10.1007/s00445-010-0234-z
  6. Valentine GA, Hirano N (2010) Mechanisms of low-flux intraplate volcanic fields - Basin and Range (North America) and Northwest Pacific Ocean. Geology 38: 55-58, doi:10.1130/G30427.1
  7. Valentine GA, Perry FV (2009) Volcanic risk assessment at Yucca Mountain, NV, USA: integration of geophysics, geology, and modeling. In: Volcanism, Tectonism, and Siting Nuclear Facilities (Connor C, Connor L, Chapman N, eds), Cambridge University Press, p. 452-480.
  8. Dartevelle S, Valentine GA (2008) Multiphase magmatic flows at Yucca Mountain, Nevada. Journal of Geophysical Research 113, B12209, doi:10.1029/2007JB005367
  9. Valentine GA, Gregg TKP (2008) Continental basaltic volcanoes - processes and problems. Journal of Volcanology and Geothermal Research 177, 857-873,doi:10.1016/j.jvolgeores.2008.01.050
  10. Keating GN, Pelletier J, Valentine GA, Statham B (2008) Evaluating suitability of a tephra dispersal model as part of a risk assessment framework. Journal of Volcanology and Geothermal Research 177: 397-404, doi:10.1016/j.jvolgeores.2008.06.007
  11. Keating GN, Valentine GA, Krier DJ, Perry FV (2008) Shallow plumbing systems for small-volume basaltic volcanoes. Bulletin of Volcanology 70: 563-582, doi:10.1007/s00445-007-0154-1