Publications of Michael A. Velbel

Table of Contents

• Refereed Papers
• Special Issues & Conference Volumes Edited
• Non-Refereed Conference, Symposium & Review Papers
• Papers in press
• Guidebooks
• Discussions, Comments & Replies
• Reviews & Miscellany
• Recent Abstracts & Abstracts in press

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REFEREED PAPERS

Velbel, M.A., Basso, C.L., Jr., and Zieg, M.J., 1996. The natural weathering of staurolite: Crystal-surface textures, relative stability, and the rate-determining step. American Journal of Science, v. 296, p. 453-472.

Velbel, M.A., 1993. Temperature dependence of silicate weathering in nature: How strong a negative feedback on long-term accumulation of atmospheric CO2 and global greenhouse warming? Geology, v. 21, p. 1059-1062.

Velbel, M.A., 1993. Formation of protective surface layers during silicate-mineral weathering under well-leached, oxidizing conditions. American Mineralogist, v. 78, p. 408-417.

Velbel, M.A., 1993. Constancy of silicate-mineral weathering-rate ratios between natural and experimental weathering: Implications for hydrologic control of differences in absolute rates. In: Brantley, S.L., and Velbel, M.A. (editors), Geochemical Kinetics of Mineral-Water Reactions in the Field and the Laboratory. Chemical Geology, v. 105, p. 89-99.

Velbel, M.A., 1992. Geochemical mass balances and weathering rates in forested watersheds of the southern Blue Ridge, III. Cation budgets and the weathering rate of amphibole. American Journal of Science, v. 292, p. 58-78.

Taylor, A.B. and Velbel, M.A., 1991. Geochemical mass balance and weathering rates in forested watersheds of the southern Blue Ridge. II. Effects of botanical uptake terms. In: Pavich, M.J. (editor), Weathering and Soils. Geoderma, v. 51, p. 29-50.

Velbel, M.A., and Saad, M.K., 1991. Paleoweathering or diagenesis as the principal modifier of sandstone framework composition? A case study, from some Triassic rift-valley redbeds of eastern North America. In: Morton, A.C., et al. (editors), Developments in Sedimentary Provenance Studies, Geological Society of London Special Publication no. 57, p. 91-99.

Velbel, M.A., Long, D.T. and Gooding, J.L., 1991. Terrestrial weathering of Antarctic stone meteorites: Formation of Mg-carbonates on ordinary chondrites. Geochimica et Cosmochimica Acta, v. 55, p. 67-76.

Velbel, M.A., 1990. Influence of temperature and mineral surface characteristics on feldspar weathering rates in natural and artificial systems: A first approximation. Water Resources Research, v. 26, p. 3049-3053.

Fujita, K., Cambray, F.W. and Velbel, M.A., 1990. Tectonics of the Laptev Sea and Moma Rift systems, northeastern USSR. In: J.R. Weber, D.A. Forsyth, A.F. Embry, and S.M. Blasco (eds.), Arctic Geoscience. Marine Geology, v. 93, p. 95-118.

Velbel, M.A., 1989. Weathering of hornblende to ferruginous products by a dissolution-reprecipitation mechanism: Petrography and stoichiometry. Clays and Clay Minerals, v. 37, p. 515-524.

Velbel, M.A., 1989. Effect of chemical affinity on feldspar hydrolysis rates in two natural weathering systems. In: Schott, J., and Lasaga, A.C. (editors), Kinetic Geochemistry. Chemical Geology, v. 78, p. 245-253.

Velbel, M.A. and Brandt, D.S., 1989. Differential preservation of brachiopod valves: Taphonomic bias in Platystrophia ponderosa. Palaios, v. 4, p. 193-195.

Salvino, J.F. and Velbel, M.A., 1989. Faceted garnets from sandstones of the Munising Formation (Cambrian), northern Michigan: Petrographic evidence for origin by intrastratal dissolution. Sedimentology, v. 36, p. 371-379.

Jull, A.J.T., Cheng, S., Gooding, J.L. and Velbel, M.A., 1988. Rapid growth of magnesium-carbonate weathering products in a stony meteorite from Antarctica. Science, v. 242, p. 417-419.

Velbel, M.A., 1988. The distribution and significance of evaporitic weathering products on Antarctic meteorites. Meteoritics, v. 23, p. 151-159.

Grantham, J.H. and Velbel, M.A., 1988. Influence of climate and topography on rock fragment abundance in modern fluvial sands of the southern Blue Ridge Mountains, North Carolina. Journal of Sedimentary Petrology, v. 58, p. 219-227.

Velbel, M.A., 1987. Alluvial-fan origin for terrace deposits of the southeast Prentiss Quadrangle, near Otto, North Carolina. Southeastern Geology, v. 28, p. 87-103.

Velbel, M.A., 1986. Influence of surface area, surface characteristics, and solution composition on feldspar weathering rates. In: Davis, J.A., and Hayes, K.F. (editors), Geochemical Processes at Mineral Surfaces, American Chemical Society, Symposium Series, No. 323, p. 615-634.

Velbel, M.A., 1985. Geochemical mass balances and weathering rates in forested watersheds of the southern Blue Ridge. American Journal of Science, v. 285, p. 904-930.

Velbel, M.A., 1985. Mineralogically Mature Sandstones in Accretionary Prisms. Journal of Sedimentary Petrology, v. 55, p. 685-690.

Velbel, M.A., 1984. Natural weathering mechanisms of almandine garnet. Geology, v. 12, p. 631-634.

Velbel, M.A., 1983. A dissolution-reprecipitation mechanism for the pseudomorphous replacement of plagioclase feldspars by clay minerals during weathering. In: Nahon, D., and Noack, Y. (editors), Petrologie des Alterations et des Sols, Volume I: Sciences Geologique, Memoires (Strasbourg), v. 71, p. 139-147.

Berner, R.A., E.L. Sjoberg, M.A. Velbel and M.D. Krom, 1980. Dissolution of Pyroxenes and Amphiboles during Weathering. Science, v. 207, p. 1205-1206.

SPECIAL ISSUES & CONFERENCE VOLUMES EDITED

Brantley, S.L., and Velbel, M.A. (editors), 1993. Geochemical Kinetics of Mineral-Water Reactions in the Field and the Laboratory: Chemical Geology, v. 105, no. 1/3, p. 1-232.