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Rock-Weathering Rates as Functions of Time

Published online by Cambridge University Press:  20 January 2017

Steven M. Colman
Steven M. Colman*
Affiliation:
U.S. Geological Survey, Box 25046, Denver Federal Center, Denver, Colorado 80225
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Abstract

The scarcity of documented numerical relations between rock weathering and time has led to a common assumption that rates of weathering are linear. This assumption has been strengthened by studies that have calculated long-term average rates. However, little theoretical or empirical evidence exists to support linear rates for most chemical-weathering processes, with the exception of congruent dissolution processes. The few previous studies of rock-weathering rates that contain quantitative documentation of the relation between chemical weathering and time suggest that the rates of most weathering processes decrease with time. Recent studies of weathering rinds on basaltic and andesitic stones in glacial deposits in the western United States also clearly demonstrate that rock-weathering processes slow with time. Some weathering processes appear to conform to exponential functions of time, such as the square-root time function for hydration of volcanic glass, which conforms to the theoretical predictions of diffusion kinetics. However, weathering of mineralogically heterogeneous rocks involves complex physical and chemical processes that generally can be expressed only empirically, commonly by way of logarithmic time functions. Incongruent dissolution and other weathering processes produce residues, which are commonly used as measures of weathering. These residues appear to slow movement of water to unaltered material and impede chemical transport away from it. If weathering residues impede weathering processes then rates of weathering and rates of residue production are inversely proportional to some function of the residue thickness. This results in simple mathematical analogs for weathering that imply nonlinear time functions. The rate of weathering becomes constant only when an equilibrium thickness of the residue is reached. Because weathering residues are relatively stable chemically, and because physical removal of residues below the ground surface is slight, many weathering features require considerable time to reach constant rates of change. For weathering rinds on volcanic stones in the western United States, this time is at least 0.5 my.

Type
Research Article
Information
Quaternary Research , Volume 15 , Issue 3 , May 1981 , pp. 250 - 264
Copyright
University of Washington

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References

Bender, M.L. Ku, Teh-Lung Broecker, W.S., (1966). Manganese nodules—their evolution Science 151, 325–328 CrossRefGoogle ScholarPubMed
Berner, R.A., (1978). Rate control of mineral dissolution under earth surface conditions American Journal of Science 278, 1235–1252 CrossRefGoogle Scholar
Berner, R.A. Holdren, G.R. Jr.(1979). Mechanism of feldspar weathering—II. Observations of feldspars from soils Geochimica et Cosmochimica Acta 43, 1173–1186 CrossRefGoogle Scholar
Birkeland, P.W., (1973). Use of relative age-dating methods in a stratigraphic study of rock glacier deposits, Mt. Sopris, Colorado Arctic and Alpine Research 5, 401–416 CrossRefGoogle Scholar
Birkeland, P.W. (1974) Pedology, Weathering, and Geomorphological Research Oxford Univ. Press New York Google Scholar
Cann, J.H., (1974). A field investigation into rock weathering and soil forming processes Journal of Geological Education 22, 226–230 CrossRefGoogle Scholar
Carrara, P.E. Andrews, J.T., (1975). Holocene glacial/periglacial record, northern San Juan Mountains, southwestern Colorado Zeitschrift für Gletscherkunde und Glazialgeologie II, 155–174 Google Scholar
Carroll, T., (1974). Relative age dating techniques and a late Quaternary chronology, Arikaree Cirque, Colorado Geology 2, 321–325 2.0.CO;2>CrossRefGoogle Scholar
Černohouz, J. Šolc, I., (1966). Use of sandstone wanes and weathered basaltic crust in absolute chronology Nature 212, 806–807 CrossRefGoogle Scholar
Chinn, T.J.H., (1981). Use of rock weathering rind thickness for Holocene absolute age-dating in New Zealand Arctic and Alpine Research 13, 33–45 CrossRefGoogle Scholar
Colman, S.M. (1977) The Development of Weathering Rinds on Basalts and Andesites and their Use as a Quaternary Dating Method, Western United States Unpublished Ph.D. dissertation University of Colorado Boulder Google Scholar
Colman, S.M. (1981) Chemical Weathering of Basalts and Andesites: Evidence from Weathering Rinds U.S. Geological Survey Professional Paper, in press Google Scholar
Colman, S.M. Pierce, K.L.(1980). Weathering Rinds on Andesitic and Basaltic Stones as a Quaternary Age Indicator, Western United States U.S. Geological Survey Professional Paper 1210 Google Scholar
Correns, C.W., (1963). Experiments on the decomposition of silicates and discussion of chemical weathering Clays and Clay Minerals 12, 443–459 Google Scholar
Friedman, I. Smith, R.L., (1960). A new dating method using obsidian—Part 1, The development of the method American Antiquity 25, 476–522 CrossRefGoogle Scholar
Friedman, I. Smith, R.L. Long, W.D., (1966). Hydration of natural glass and the formation of perlite Geological Society of America Bulletin 77, 323–328 CrossRefGoogle Scholar
Friedman, I., (1968). Hydration rind dates rhyolite flows Science 159, 878–879 CrossRefGoogle ScholarPubMed
Goodchild, J.G., (1890). Notes on some observed rates of weathering of limestones Geological Magazine 27, 463–466 CrossRefGoogle Scholar
Grant, W.H., (1969). Abrasion pH, an index of weathering Clays and Clay Minerals 17, 151–155 CrossRefGoogle Scholar
Hay, R.L., (1960). Rate of clay formation and mineral alteration in a 4000-year-old volcanic ash soil on St. Vincent, B.W.I. American Journal of Science 258, 354–368 CrossRefGoogle Scholar
Hay, R.L. Jones, B.F., (1972). Weathering of basaltic ash on the island of Hawaii Geological Society of America Bulletin 83, 317–332 CrossRefGoogle Scholar
Helgeson, H.C., (1971). Kinetics of mass transfer among silicates and aqueous solutions Geochimica et Cosmochimica Acta 35, 421–469 CrossRefGoogle Scholar
Holdren, G.R. Jr. Graustein, W.C. Berner, R.A.(1977) Chemical weathering in soils: Evidence of mechanisms from surface compositions Geological Society of America Abstracts with Programs 9 7 1020–1021 Google Scholar
Holdren, G.R. Jr. Berner, R.A., (1979). Mechanism of feldspar weathering—I. Experimental studies Geochimica et Cosmochimica Acta 43, 1161–1171 CrossRefGoogle Scholar
Jackson, T.A. Keller, W.D., (1970). A comparative study of the role of lichens and “inorganic” processes in chemical weathering of recent Hawaiian lava flows American Journal of Science 269, 446–466 CrossRefGoogle Scholar
Lagache, M., (1965). Contribution a l'etude de l'alteration des feldspaths, dans l'eau, entre 100 et 200° sous divers pressions de CO2, et application á la synthése de mineraux argileaux Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 88, 223–253 Google Scholar
Lagache, M., (1976). New data on the kinetics of the dissolution of alkali feldspars at 200°C in CO2 charged water Geochimica et Cosmochimica Acta 40, 157–161 CrossRefGoogle Scholar
Loughnan, F.C. (1969).Chemical Weathering of the Silicate Minerals Amer. Elsevier New York Google Scholar
Matthias, G.F., (1967). Weathering rates of Portland Arkose tombstones Journal of Geological Education 15, 140–144 CrossRefGoogle Scholar
McClelland, J.E., (1950). The effect of time, temperature, and particle size on the release of bases from some common soil forming minerals of different crystal structure Soil Science Society of America Proceedings 15, 301–307 CrossRefGoogle Scholar
Moore, J.G. Rate of Palagonization of Submarine Basalt Adjacent to Hawaii (1966) D163–D171 U.S. Geological Survey Professional Paper 550-D Google Scholar
Nelson, R.L., (1954). Glacial geology of the Frying Pan River drainage, Colorado Journal of Geology 62, 325–343 CrossRefGoogle Scholar
Nickel, Einhart, (1973). Experimental dissolution of light and heavy minerals in comparison with weathering and interstratal solution Contributions to Sedimentology 1, 1–68 Google Scholar
Nixon, R.A., (1979). Differences in incongruent weathering of plagioclase and microcline Geology 7, 221–224 2.0.CO;2>CrossRefGoogle Scholar
Ollier, C.D. Weathering (1969) Oliver & Boyd Edinburgh Google Scholar
Paces, T., (1973). Steady state kinetics and equilibrium between ground water and granitic rock Geochimica et Cosmochimica Acta 37, 2641–2663 CrossRefGoogle Scholar
Petrović, R., (1976). Rate control in feldspar dissolution—II. The protective effective of precipitates Geochimica et Cosmochimica Acta 40, 1509–1521 CrossRefGoogle Scholar
Petrović, R. Berner, R.A. Goldhaber, M.B., (1976). Rate control in dissolution of alkali feldspars—I. Study of residual feldspar grains by X-ray photoelectron spectroscopy Geochemica et Cosmochimica Acta 40, 537–548 CrossRefGoogle Scholar
Pierce, K.L. Obradovich, J.D. Friedman, I., (1976). Obsidian hydration dating and correlation of Bull Lake and Pinedale Glaciations near West Yellowstone, Montana Geological Society of America Bulletin 87, 703–710 2.0.CO;2>CrossRefGoogle Scholar
Porter, S.C., (1976). Pleistocene glaciation of the southern part of the North Cascade Range, Washington Geological Society of America Bulletin 87, 61–75 2.0.CO;2>CrossRefGoogle Scholar
Rahn, P.H., (1971). The weathering of tombstones and its relation to the topography of New England Journal of Geological Education 19, 112–118 CrossRefGoogle Scholar
Ruxton, B.P., (1968). Rates of weathering of Quaternary volcanic ash in north-east Papua Journal of Geology 76, 518–527 CrossRefGoogle Scholar
Schaller, W.T. Vlisidis, A.C., (1959). Spontaneous oxidation of a sample of powdered siderite American Minerologist 44, 433–435 Google Scholar
Shackleton, N.J. Opdyke, N.D., (1973). Oxygen isotope and paleomagnetic stratigraphy of equatorial Pacific core V28–238: Oxygen isotope temperatures and ice volumes on a 105 year and 106 year scale Quaternary Research 3, 39–55 CrossRefGoogle Scholar
Waitt, R.B. Jr. (1979) Late Cenozoic Deposits, Landforms, Stratigraphy, and Tectonism in the Kittitas Valley, Washington U.S. Geological Survey Professional Paper 1127 Google Scholar
Winkler, E.M., (1966). Important agents of weathering for building and monumental stone Enginering Geology 1, 381–400 CrossRefGoogle Scholar
Winkler, E.M.(1975) Stone: Properties, Durability in Man's Environment Springer-Verlag New York CrossRefGoogle Scholar
Wollast, R., (1967). Kinetics of the alteration of K-feldspars in buffered solutions at low temperature Geochimica et Cosmochimica Acta 31, 635–648 CrossRefGoogle Scholar