Fields of Study
My main research interests are in understanding water-rock interactions, particularly in submarine hydrothermal systems and in subduction zones, and how these reactions affect chemical and isotopic transfer between exogenic and endogenic systems.
Link to Curriculum Vitae
View Jeffrey
Alt's C.V.
Home Page
http://www-personal.umich.edu/%7Ejalt/
Publications
Alt, J. C., 2003 Stable isotopic composition of upper oceanic crust formed at a fast spreading ridge, ODP Site 801, Geochem. Geophys. Geosyst., 4(5), 8908, doi:10.1029/2002GC000400.
Alt, J.C., and W. Bach, 2003. Alteration of Oceanic Crust: Subsurface Rock-Water Interactions, in: Energy and mass transfer in marine hydrothermal systems, P.E. Halbach, V. Tunnicliffe, and J.R. Hein, eds., Dahlem University Press, 7-27.
Alt, J.C. and W.C. Shanks, 2003. Serpentinization of abyssal peridotites from the MARK area, Mid-Atlantic Ridge: Sulfur geochemistry and reaction modeling, Geochim. Cosmochim. Acta, 67: 641-653.
Alt, J.C., Davidson, G.J., Teagle, D.A.H., and Karson, J.A., 2003. The Isotopic Composition of Gypsum in the Macquarie Island Ophiolite: Implications for the Sulfur Cycle and the Subsurface Biosphere in Oceanic Crust, Geology, 31: 549-552;
Teagle, D.A.H., M.J. Bickle, J.C. Alt, 2003. Recharge flux to ocean-ridge black smoker systems: a geochemical estimate from ODP Hole 504B Earth Planet. Sci. Lett. 210, 81-89
Chan, Lui-Heung, J.C. Alt, and D.A.H. Teagle, 2002. Lithium and lithium isotope profiles through the upper oceanic crust:A study of seawater basalt exchange at ODP Sites 504b and 896A. Earth Planet. Sci. Lett., 201, 187-201.
Blake, R.E., Alt, J.C. and Martini, A.M., 2001. Oxygen isotope ratios of PO4: An inorganic indicator of enzymatic activity and P metabolism and a new biomarker in the search for life. Proc. Nat. Acad. Sci. 98: 2148-2153.
Alt, J.C. and P. Mata, 2000. On the role of microbes in the alteration of submarine basaltic glass: A TEM Study. Earth Planet. Sci. Lett., 181, 301-313.
Alt, J.C. and D.A.H. Teagle., 2000. Hydrothermal alteration and fluid fluxes in ophiolites and oceanic crust, in: Dilek, Y., E. Moores, and D. Elthon and A. Nicolas, eds., Ophiolites and Oceanic Crust: New Insights from Field Studies and the Ocean Drilling Program, Geol. Soc. Am. Spec. Paper 349, 273-282.
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