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Department of
Earth Sciences

P.O. Box 173480
Bozeman, MT 59717-3480

Tel: (406) 994-3331
Fax: (406) 994-6923
Location: 200 Traphagen

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> College of Letters and Science   > Department of Earth Sciences   > Faculty and Staff
Mark Skidmore
Assistant Professor of Geology

Contact Information
Office:   Traphagen Hall #222
Office Phone:   (406) 994-7251
Lab:   Leon Johnson Hall #721
Lab Phone:   (406) 994-7225
Email:   skidmore(AT)montana.edu

Education
B.A., Cambridge University, UK, 1992
M.S., University of Alberta, Canada, 1995
Ph.D., University of Alberta, Canada, 2001

Geomicrobiology Lab

ESCI 112 Website

Research Interests

Biogeochemistry and geomicrobiology



Current Graduate Students

Scott Montross
Caitlyn Florentine
Matt Urschel, co-supervised with Professor Gill Geesey, Microbiology

Selected Publications

Skidmore, M., Tranter, M., Tulaczyk, S., and Lanoil, B. (in press) Hydrochemistry of ice stream beds - evaporitic or microbial effects? Hydrological Press.

Gaidos, E., Marteinsson, V., Thorsteinsson, T., Johannesson, T., Rafnsson, A.R., Stefansson, A., Glazer, B., Lanoil, B., Skidmore, M., Han, S.K., Miller, M., Rusch, A., and Foo, W. (2009) An oligarchic microbial assemblage in the anoxic bottom waters of a volcanic subglacial lake. ISME Journal: Multidisciplinary Journal of Microbial Ecology. 3, 486-497.

Lanoil, B., Skidmore, M., Priscu, J.C., Han, S.K., Foo, W., Vogel, S.W., Tulaczyk, S., and Engelhardt, H. (2009) Bacteria beneath the West Antarctic Ice Sheet. Environmental Microbiology. 11 (3), 609-615.

Christner, B.C., Cai, R., Morris, C.E., McCarter, K.S., Foreman, C.M., Skidmore, M.L., Montross, S.N., Sands, D.C. (2009) Geographic location, season, and precipitation chemistry influence on the abundance and activity of biological ice nucleators in rain and snow. Proceedings of the National Academy of Sciences. (105), 48, 18854-18859.

Statham, P.J., Skidmore, M.L., and Tranter, M. (2008) Inputs of glacially derived dissolved and colloidal iron to the coastal ocean and implications for primary productivity. Global Biogeochemical Cycles. 22, GB3013. doi:10.1029/2007GB003106.

Gaidos, E., Glazer, B., Harris, D., Heshiki, Z., Jeppsson, N., Miller, M., Thorteinsson, T., Einarsson, B., Kjartansson, V., Stefansson, A., de Camargo, L., Johannesson, T., Roberts, M., Skidmore, M.L., and Lanoil, B. (2007) A simple sampler for subglacial water bodies. Jornal of Glaciology. 53 (180) 157-158

Skidmore, M., Anderson, S. P., Sharp, M.J., Foght, J.M. and Lanoil, B.D. (2005) Comparison of microbial community composition in two subglacial environments reveals a possible role for microbes in chemical weathering processes. Applied and Environmental Microbiology 71, (11) 6986–6997

Tranter, M., Skidmore, M. and Wadham, J. (2005) Hydrological controls on microbial communities in subglacial environments. Hydrological Processes, 19, 995-998.

Skidmore, M., Sharp M.J., and Tranter, M. (2004). Kinetic isotopic fractionation during carbonate dissolution in laboratory experiments: implications for detection of microbial CO2 signatures using d13C–DIC Geochimica et Cosmochimica Acta Vol. 68, No. 21, 4309–4317.

Gaidos E., Lanoil, B., Thorsteinsson T., Graham A., Skidmore, M., Han S-K, Rust T. and Popp B. (2004). A viable microbial community in a subglacial volcanic crater lake, Iceland. Astrobiology. Vol. 4, (3), 327-324.

Sharp, M.J., Creaser, R. and Skidmore, M. (2002) Controls on the strontium isotope composition of runoff from a glacierised carbonate terrain. Geochimica et Cosmochimica Acta 66, (4), 595-614

Sharp, M.J., Skidmore, M. and Nienow, P. (2002) Seasonal and spatial variations in the chemistry of a High Arctic supraglacial snow cover. Journal of Glaciology 48, (160), 149-158.

Skidmore, M., Foght, J.M. and Sharp, M.J. (2000) Microbial life beneath a high Arctic glacier. Applied and Environmental Microbiology, 66, (8), 3214-3220.

Skidmore, M. and Sharp, M.J. (1999) Drainage system behaviour of a high Arctic polythermal glacier. Annals of Glaciology, 28, 209-215.

Sharp, M.J., Tranter, M., Brown, G.H. and Skidmore, M. (1995) Rates of chemical denudation and CO2 drawdown in a glacier-covered alpine catchment. Geology, 23, 61-64.


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