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Shan de Silva

Year hired:
2006
Specialty:
Volcanology
Research interests:

I use a variety of tools (Petrology, Geochemistry, Physical Volcanology, Geochronology, Remotely Sensed data) to address volcanic problems that intrigue me. Most of the questions I address start in the field - nature is a mystery, volcanology rocks! Studies my students and I have conducted have emphasised magmatism in volcanic arcs, Physical Volcanology and Petrology of Explosive Volcanic Eruptions, Caldera (super) volcanism and the volcano-plutonic connection. I am also interested in Planetary Surface Processes, Volcanic Hazards, Volcanism and Climate, Earth Science Education and Outreach - VolcanoWorld (volcano.oregonstate.edu)

Recent Publications:

Mandt, K., de Silva, S.L., Zimbleman, J., and Crown, D.A., 2008. 
The origin of the Medusae Fossae Formation, Mars: Insights from a synoptic approach. Journal of Geophysical Research (Planets) VOL. 113, E12011, doi:10.1029/2008JE003076..

Self, S., de Silva, S.L., and Cortes, J.A., 2008. Enigmatic clastogenic rhyolitic volcanism: the Corral de Coquena spatter ring, North Chile. Journal of Volcanology and Geothermal Research Volume 177, Issue 4, 20 November 2008, Pages 812-821. doi.org/10.1016/j.jvolgeores.2008.047..

de Silva, S.L., 2008. Arc magmatism, calderas, and supervolcanoes. 
Geology, v.36, no.8., p.671-672.

de Silva, S.L., Salas, G., and Schubring, S., 2008. Triggering Explosive Eruptions: The case for silicic magma recharge at Huaynaputina, southern Peru. Geology v. 36, p. 387-390.

de Silva, S.L., Bachmann, O., Miller, C.F., Yoshida, T., and Knesel, K., eds. 2007. Preface to Large Silicic Magmatic Systems, Special Volume of the Journal of Volcanology Geothermal Research, v.  167, vii -ix.

Bachmann, O., Miller, C.F., de Silva, S.L., 2007. The volcanic-plutonic connection as a stage for understanding crustal magmatism. Journal of Volcanology and Geothermal Research.  doi:10.1016/j.jvolgeores.2007.08.002. v. 167, p.1-23.

de Silva, S.L., and Gosnold, W.A., 2007. Episodic construction of batholiths: insights from the spatiotemporal development of an ignimbrite flare-up. Journal of Volcanology and Geothermal Research, doi:10.1016/j.jvolgeores.2007.07.015, v. 167, p.320-335.

Lavallee, Y., de Silva, S.L., Salas, G., and Byrnes, J., 2006. Subsidence cessation during the initial stage of funnel caldera formation at Huaynaputina, southern Peru. Bulletin of Volcanology, v.68, No.4, p. 333-348.

Current Graduate Students:

Chris Harpel (Ph.D.), Lahar sedimentology and hazard at Volcan El Misti, Peru

Robert Peckyno (Ph.D.), Morphometric parameters as a guide to composition of lava flows on the terrestrial planets

Morgan Salisbury (Ph.D.), Neogene ignimbrite flare-up of the Altiplano-Puna Volcanic Complex

Kaitlin McCann (M.Sc.) The effusive-explosive eruption transition: 
insights from the 1600 eruption of Huaynaputina

Recent Graduate Theses:

Kathy Mandt (MS), The origin and significance of the Medusa Fossae Formation, Mars

Peter Schoch (2006), Enhancing Undergraduate Physics Using Earth System Science Content

Shubhada Savant (2005), Volcano Spacing in the Central Andes : A GIS approach

Yan Lavallee (2004), Constraining Caldera formation processes at Volcan Huaynaputina , Southern Peru

Stephen Schubring (2001), Petrology and Geochemistry of Volcan Huaynaputina

Jason Permenter (2000), A GIS Approach to Volcanic Hazard Assessment in the Arequipa region of Southern Peru

Nancy Adams (2000), Physical Volcanology of the 1600 eruption of Huaynaputina, Southern Peru

Where Former Advisees Are Now:

Kathy Mandt, SWRI San Antonio, Research Associate

Shubahada Savant, University of Illinois/NASA Stennis Space Center, Research Staff

Peter Schoch, Dean of Science, Sutton County Community College

Yan Lavallee, University of Munich, Assistant Professor

Steve Schubring, August Mack Environmental Inc, Indianapolis

Jan Lindsay, University of Auckland, New Zealand, Research Associate

Axel Schmitt, University of California, Los Angeles, Research Specialist

Adam Dunne, Widener University, Department of Physics, Assistant Professor

Jason Permenter, University of Cambridge, Ph.D. student

Nancy Adams, SWRI, San Antonio, Research Associate

Ken Copenhaver, NASA Stennis Space Center

Rob Watts, University of Puerto Rico, Mayaguez campus, Assistant Professor

Teaching at OSU:

GEO 305 Living with Active Cascades Volcanoes (Winter term)
GEO 315 Petrology (Winter 2009 only - sabbatical replacement)
GEO 427/527 Introduction to Volcanology (Spring Term)
GEO 495 Field Camp (Summer 2008, 2011)
GEO 295 Intro to Field Geology (Fall 2011)

Degrees:

PhD in Earth Sciences, Open University, UK, 1987
B.Sc (Hons) in Geology, University of Southampton, UK, 1982

Office:
Dawes 23, phone 541-737-1212
Email:
desilvas<at>geo.oregonstate.edu

Dept. of Geosciences, 104 Wilkinson Hall
Oregon State University - Corvallis - 97331-5506
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Phone (541) 737-1201| Fax (541) 737-1200
geo-info<at>science.oregonstate.edu

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