Ray Fletcher 
EESI Associate
Ray Fletcher
Ph.D., Brown University, 1967
Contact Information:
Earth and Environmental Systems Institute
217D EES Building
University Park, PA 16802
Phone: (814) 865-4792
email: rfletche@geosc.psu.edu
Dept. website: http://g3.ems.psu.edu/faculty/fletcher_ray.htm
Current Research Interests:
Denudation and Weathering Rates
Spheroidal weathering and Saprolites
Crustal Necking
Anisotropic Power-law Fluid
Plane Flow Relations
Rheological Anisotropy
Domal Structure and Anticline Formation & Deformation
D. D. Pollard & R. C. Fletcher, Fundamentals of Structural Geology, Cambridge University Press, 500 pp., 2005.
2006 Lebedeva, M.I., Fletcher, R.C., Balashov, V.N., and Brantley, S.L. Three-zone diffusion model describing transformation of bedrock to saprolite. Submitted to Chemical Geology (now in press).
Fletcher, R. C., H. L. Buss, and S. L. Brantley, Physical-chemical
feedbacks between atmospheric oxygen and bedrock weathering during
steady-state spheroidal weathering, Earth and Planetary Science Letters, 2006.
Fletcher, R. C., Instability of an anisotropic power-law fluid in a basic state of plane flow, Journal of Structural Geology, 27, 1155-1167, 2005.
Fletcher, R. C., Anisotropic viscosity of a dispersion of aligned
elliptical cylindrical clasts in viscous matrix, Journal of Structural
Geology, 26, 19771987, 2004.
Fletcher, R. C., and B. Hallet, Initiation of gneiss domes by necking,
density instability, and erosion, Geological Society of America Special
Paper 380: Gneiss domes in orogeny, edited by D. L. Whitney, C. Teyssier,
and C. S. Siddoway, 7985, 2004.
Fletcher, R. C., and E. Merino, Mineral growth in rocks:
Kinetic-rheological models of replacement, vein formation, and syntectonic
crystallization, Geochimica et Cosmochimica Acta, 65, 3733 3748, 2001.
Fletcher, R.C., M.R. Hudec, and I.A. Watson, Salt glacier and composite
sediment-salt glacier models for the emplacement and early burial of
allochthonous salt sheets, in M.P.A. Jackson, D.G. Roberts, and S. Snelson,
eds., Salt tectonics: a global perspective, AAPG Memoir 65, 77 - 108, 1996.
Fletcher, R.C., and B. Hallet, Unstable extension of lithosphere: a
mechanical model for Basin-and-Range structure, Journal of Geophysical
Research, 83, 275 - 291, 1983.
Fletcher, R.C., Coupling of diffusional mass transport and deformation in a tight rock, Tectonophysics, 83, 275 - 291, 1982.
Fletcher, R.C., and D.D. Pollard, Anticrack model for solution surfaces in pressure solution, Geology, 9, 419 - 424, 1981.
Fink, J.H., and R.C. Fletcher, Ropy pahoehoe: surface folding of a fluid whose viscosity decreases with depth, Journal of Volcanological and Geothermal Research, 4, 151 - 170, 1978.
Fletcher, R.C., Wavelength selection in the folding of a single layer with power-law rheology, American Journal of Science, 74, 1029 - 1043, 1974.
Fletcher, R.C., and A.W. Hofmann, Simple models of diffusion and combined infiltration-diffusion metasomatism, in Geochemical transport and kinetics, A.W. Hofmann, B.J. Giletti, H.S. Yoder, Jr., and R.A. Yund, eds., Carnegie Institution of Washington Publication 634, 243 - 259, 1974.
Fletcher, R.C., Propagation of a coherent interface between two nonhydrostatically stressed crystals, Journal of Geophysical Research, 78, 7661 - 7666, 1973.
Fletcher, R.C., Application of a mathematical model to the emplacement of
mantled gneiss domes, American Journal of Science, 272, 197 - 216, 1972.

