Department of Geology & Geophysics

Mary J. Keskinen

Department of Geology & Geophysics

University of AlaskaFairbanks

Fairbanks, Alaska 99775-5780

907-474-7769

907-474-5163 (fax)

EDUCATION

1979 Ph.D. GeologyStanfordUniversity, Stanford, California

1973B.A.GeologySmithCollege, Northampton, Massachusetts

RESEARCH INTERESTS

Metamorphic petrology; application of petrology/geochemistry to geothermal exploration and development; field/petrographic studies of tectonic and petrologic problems in Alaska and California; geochemistry of fumarolic and hydrothermal systems; textural development of metapyroclastic rocks; tephrochronology.

PROFESSIONAL EXPERIENCE

August 1984 to present:

Department of Geology & Geophysics

University of AlaskaFairbanks

Fairbanks, Alaska99775-5780

Associate Professor (1991 to present):

Assistant Professor (1984-1991):

Responsible for teaching graduate and undergraduate courses in igneous and metamorphicpetrology, optical mineralogy, physical geology, mineralogy, and petrographic analysis. Advisor tograduate students in metamorphic petrology, geothermal processes.

May to June 1985:

Santa Fe Geothermal, Inc.

5001 East Commerce Center Drive

Bakersfield, California 93309

Consulting Geologist:

Petrographic study of samples from geothermal wells from the Cascades region, for purposes of prospect evaluation and site development. Work involved thin section description, X-ray diffraction analysis, and interpretation of hydrothermal alteration.

September 1983 to July 1984:

Department of Earth Sciences

University of California

Riverside, California 92521

Visiting Lecturer:

Taught classes in optical mineralogy, petrography, introductory petrology, and graduate-level igneouspetrology. Advisor to graduate students in metamorphic petrology.

January 1980 to September 1983:

Occidental Research Corporation

2100 S.E. Main Street

Irvine, California 92713

Research Geologist/Geochemist:

Developed research program and provided geotechnical support for Occidental's geothermal exploration and development. Work involved petrographic analysis of well-cuttings from geothermal areas, sinter andscale characterization, and assessment of well-bore damage.

Designed program of rock:water interactions studies and oil shale characterization for assessment and mitigation of environmental problems associated with Oxy's in-situ oil shale retorting program.

September 1979 to December 1979:

Department of Geology

StanfordUniversity

Stanford, California 94305

Post-doctoral Research Associate:

Initiated experimental study (with Dr. J.G. Liou) on the stability relations of idocrase in C-O-H fluids asapplied to skarn formation. Maintained and modified high-pressure experimental petrology apparatus.

August 1978 to August 1979:

Department of Geology

SmithCollege

Northampton, Massachusetts 01063

Instructor:

Taught classes for mineralogy/optical mineralogy/petrology sequence and physical geology laboratory sections. Acted as honors thesis advisor for petrology students.

AWARDS AND AFFILIATIONS:

• National Science Foundation Graduate Fellowship, 1973-6.
• Geological Society of America Research Grant, 1975.
• Phi Beta Kappa, 1972.Sigma Xi, 1973 and 1979 (full member).
• Member, Geological Society of America, Mineralogical Society of America, American Geophysical Union.
• Petroleum Research Fund Type G Grant, 1990-2.
• Co-principal investigator: DOE grant - Hydrothermal Alteration/Long Valley Caldera, 1991.
• Member of evaluation panel for National Research Council/Ford Foundation Fellowship Programs,1995-8, 2002-7.
• Selected participant, Teaching Mineralogy Workshop and Teaching Petrology Workshop, NationalScience Foundation Undergraduate Faculty Enhancement Program, 1996 & 2003.
• Co-principal investigator: DOE grant/GRED program - Proposal for an Integrated GeoscienceInvestigation and Geothermal Exploration at Chena Hot Springs, 2004.

CLASSES TAUGHT AT THE UNIVERSITY OF ALASKAFAIRBANKS

• The Dynamic Earth (GEOS 101)
• Rock-forming Minerals (GEOS 637)
• Mineralogy (GEOS 213)
• Advanced Igneous & Metamorphic Petrology (GEOS 621C)
• Petrology (GEOS 214)
• Advanced Metamorphic Petrology (GEOS 621A)
• Rocks and Minerals (GEOS 262)
• Geology Seminar (GEOS 482)
• Optical Mineralogy (GEOS 316)

PUBLICATIONS: M. KESKINEN

Keskinen, M.J. and Liou, J.G., 1976. Synthesis and Stability Relations of Piemontite. Abstracts with Programs, Geological Society of America 1976 Annual Meeting, pp. 953-4.

Keskinen, Mary and Liou, J.G., 1979. Synthesis and Stability Relations of Mn-Al Piemontite. American MIneralogist, v. 64, pp. 317-328.

Keskinen, Mary, 1979. Chemical and Petrographic Study of the Shadow Lake Piemontite Zone, Ritter Range, Eastern Sierra Nevada, California. Abstracts with Programs, Geological Society of America 1979 Annual Meeting, p. 457.

Keskinen, M., 1979. Experimental evidence on the effect of Fe and Mn on piemontite and epidote stability. Transactions, American Geophysical Union, v. 60, p. 965.

Hochella, M., Liou, J.G., and Keskinen, M., 1980. Synthesis and Stability Relations of Mg-Idocrase. Abstracts with Programs, Geological Society of America 1980 Meeting, p. 448.

Keskinen, Mary, 1981. Petrochemical Study of the Shadow Lake Piemontite Zone, eastern Sierra Nevada, California. American Journal of Science, v. 281, pp. 896-921.

Hochella, M., Liou, J.G., Keskinen, M., and Kim, H.S., 1982. Synthesis and Stability Relations of Mg-Idocrase. Economic Geology, v. 77, pp. 798-808.

Keskinen, M. and Sternfeld, J., 1982. Hydrothermal alteration and tectonic setting of intrusive rocks from East Brawley, Imperial Valley. Proceedings of the Eighth Geothermal Reservoir Workshop, StanfordUniversity, 1982.

Sternfeld, J., Keskinen, M., and Blethen, R., 1983. Hydrothermal Mineralization of a ClearLake Geothermal Well, Lake County, California. Geothermal Resources Council Transactions, v. 7, pp. 193-7.

Kodosky, L.G. and Keskinen, M.J., 1986. Preliminary Observations on Fumarole Distribution and Alteration at Augustine Volcano, Alaska. Transactions, American Geophysical Union, v. 67, p. 1260.

Keskinen, Mary and Liou, J.G., 1987. Stability Relations of Mn-Fe-Al Piemontite. J. Metamorphic Geology, v. 5, pp. 495-507.

Kodosky, L.G., and Keskinen, M., 1987. Mercury Distribution Within the Valley of Ten Thousand Smokes, Katmai National Park, Alaska. Transactions, American Geophysical Union, v. 68, p. 1537.

Keskinen, M. and Roszkowski, G., 1987. Hydrothermal mineralogy and implications for the establishment and maintenance of high fO2 during metamorphism from the Deer Lakes Piemontite Zone, Sierra Nevada, California. Transactions, American Geophysical Union, v. 68, p. 1527.

Keskinen, M., 1989. Lithological and fluid compositional control of amphibole compositions and their potential as P-T indicators of regional metamorphism: An illustration from the Fairbanks Schist, Yukon Crystalline Terrane, Alaska. Abstracts with Programs, Geological Society of America 1989 Annual Meeting, p. A275.

Hanks, C.L., Wallace, W.E., and Keskinen, M., 1989. Thrust emplacement of a batholith under upper crystal conditions: An example from the northeastern Brooks Range, Alaska. Abstracts with Programs, Geological Society of America 1989 Annual Meeting, p. A306.

Kodosky, L. and Keskinen, M., 1990. Fumarole distribution, morphology, and encrustation mineralogy associated with the 1986 eruptive deposits of Mount St., Augustine, Alaska. Bulletin of Volcanology, v. 52,

pp. 175-185.

Beget, J.E., Edwards, M., Hopkins, D.M., Keskinen, M.J., and Kukla, G., 1991. Old Crow tephra found at the Palisades of the Yukon, Alaska. Quaternary Research, v. 35, pp. 291-297.

Keskinen, M., 1991. Origin and effects of spatial and progressive variations in oxygen fugacity on transition metal partitioning in oxidized metamorphic environments. Abstracts with Programs, Geological Society of America 1991 Annual Meeting, p. A446-7.

McConnell, V.S., Eichelberger, J.C., and Keskinen, M.J., 1991. Phase II of the LongValley Exploratory Well, LongValley Caldera, California: Early Geologic Results. Program and Abstracts, American Geophysical Union 1991 Fall Meeting, p. 550.

Beget, J.E. and Keskinen, M., 1991. The Stampede Tephra: a middle Pleistocene marker bed in glacial and eolian deposits of central Alaska. Canadian Journal of Earth Sciences, v. 28, pp. 991-1002.

McConnell, V.S., Eichelberger, J.C., Keskinen, M.J., Shearer, C.K., and Papike, J.J., 1992. Investigations of Rhyolitic Intrusions into Intracaldera Bishop Tuff: the LongValley Exploratory Well, Long Valley, CA. Transactions, American Geophysical Union 1992 Fall Meeting, p. 637.

Beget, J.E., Keskinen, M., and Severin, K., 1993. Mineral Particles from Asia Found in Volcanic Loess on the Island of Hawaii. Sedimentary Geology, v. 84, pp. 189-197.

Harbin, M.L., Keskinen, M.J., and Swanson, S.E., 1993. Partially melted granulite xenoliths, Mt. Spurr, Alaska. Transactions, American Geophysical Union 1993 Fall Meeting, p. 674.

Beget, J.E. and Keskinen, M.J., 1994. The Last Glacial Cycle in the Alaska Loess Record. Programme and Abstracts, International Inter-INQUA Field Conference and Workshop on Tephrochronology, Loess, and Soils, University of Waikato, New Zealand, p. 22.

McConnell, V.S., Shearer, C.K., Eichelberger, J.C., Keskinen, M.J., Layer, P.W., and Papike, J.J., 1995. Rhyolite Intrusions in the Intracaldera Bishop Tuff, LongValley Caldera, California. J. Volcanological and Geothermal Research, v. 67, pp. 41-60.

West, A.W., Keskinen, M., and Swanson, S., 1995. Petrology of the Mt.McKinley Pluton, Denali National Park, Alaska. Program and Abstracts, Geological Society of America Cordilleran Section Meeting, March 1995, p. 83.

Joy, B., Keskinen, M., and Newberry, R., 1997. Preliminary Thermobarometry and Microprobe Mineral Compositions, Fairbanks Area Schists and Amphibolites. PDF Report, Alaska Division of Geological and Geophysical Surveys.

Beget, J.E., Keskinen, M., and Severin, K., 1997. Tephrochronologic constraints on the late Pleistocene history of the southern margin of the Cordilleran Icesheet, Western Washington. Quaternary Research, v. 47, pp. 140-146.

Markussen, J., Keskinen, M., Newberry, R., and Layer, P., 1998. Petrology and thermochronology of the Circle Mining District, Yukon-Tanana Terrane, Interior Alaska. Program and Abstracts, American Geophysical Union 1998 Spring Meeting, supplement to EOS, April 28, 1998.

Douglas, T.A., Layer, P.W., Newberry, R.J., and Keskinen, M.J., 2002. Geochronologic and thermobarometric constraints on the metamorphic history of the Fairbanks Mining District, western Yukon-Tanana terrane, Alaska. Canadian Journal of Earth Sciences, v. 39, pp. 1107-1126.

Beget, J.E. and Keskinen, M., 2003. Trace-element geochemistry of individual glass shards of the Old Crow tephra and the age of the Delta glaciation, central Alaska. Quaternary Research, v. 60, pp. 63-69.

Beget, J.E., Layer, P., and Keskinen, M., 2003. Interactions between volcanism, permafrost, Milankovitch cycles, and climate change on the Seward Peninsula. Abstracts with Programs, Geological Society of America 2003 Annual Meeting, v. 35, no. 6, p. 546.

Lessard, R.R., Newberry, R.J., Keskinen, M.J., Layer, P.W., and Werdon, M.B., 2004. Geology of the Caribou Creek Area, Big Delta Northeast C4 and Southeast D4 Quadrangles, East-Central Alaska. Abstracts with Programs, Geological Society of America, v. 36, no. 4, p. 21.

Keskinen, J. and Beget, J., 2005. Age of most recent motion on the western Denali Fault from lichenometric dating of a huge rockfall avalanche and offset moraines. EOS, American Geophysical Union Fall Meeting Abstracts and Programs, CD-rom.

Keskinen, M. and Beget, J., 2006. Proximal tsunami deposits produced during the 1883 debris avalanche and tsunami from Augustine Volcano, Alaska. Eos Transactions, American Geophysical Union Annual Meeting, v. 87, p. 52.

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