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Weathering Process of Volcanic Glass to Allophane Determined by 27Al and 29Si Solid-State NMR

Published online by Cambridge University Press:  01 January 2024

Syuntaro Hiradate  and
Shin-Ichiro Wada
Syuntaro Hiradate*
Affiliation:
Department of Biological Safety Science, National Institute for Agro-Environmental Sciences (NIAES), 3-1-3 Kan-nondai, Tsukuba, Ibaraki 305-8604, Japan
Shin-Ichiro Wada
Affiliation:
Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan
*
*E-mail address of corresponding author: hiradate@affrc.go.jp
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Abstract

To clarify the weathering process of volcanic glass to allophane, solid-state 29Si and 27Al magic angle spinning (MAS) nuclear magnetic resonance (NMR) signals of four Japanese volcanic glasses and two (Al- and Si-rich) allophanes were assigned. The volcanic glasses showed a broad 29Si NMR signal between −80 and −120 ppm with the peak centered at ~ −104 ppm, indicating that they were rich in Si-O-Si bridging structure (silica gel-like polymer Si). Aluminum was present in tetrahedral form in the four volcanic glass samples. In both Al- and Si-rich allophanes, octahedral Al (3 ppm by 27Al NMR) and imogolite-like Si (Q33VIAl, −78 ppm by 29Si NMR) were the major components. In a Si-rich allophane, NMR signals centered at around −85 ppm for 29Si and 55 ppm for 27Al were also observed, although it is possible that those signals were derived from impurities. Impurities could have originated from the soils and/or been unexpectedly synthesized during the purification procedures, e.g. during hot 2% Na2CO3 treatments. Based on the NMR spectra of size-fractionated soil samples, the weathering process of volcanic glass to allophane was proposed as follows: (1) dissolution of Al from volcanic glass accompanied by the transformation of IVAl to VIAl; (2) formation of a gibbsite-like sheet resulting from the hydrolysis of the dissolved Al; (3) dissolution of silica gel-like polymer Si in volcanic glass resulting in the formation of monosilicic acid; and (4) formation of Si(OH)(OVI,Al)3 structure (Q33VIAl) as a result of the reaction between the gibbsite-like sheet and the monosilicic acid. These formation reactions of allophane could occur in solution as well as on the surface of volcanic glass.

Keywords

AllophaneImogoliteSolid-state MAS NMRSpeciation of 27Al and 29SiVolcanic Glass
Type
Research Article
Information
Clays and Clay Minerals , Volume 53 , Issue 4 , August 2005 , pp. 401 - 408
Copyright
Copyright © The Clay Minerals Society 2005

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References

Arai, S. Watanabe, A. Takagi, K. and Tsutsuki, K., (1988) Pedochemical studies on Ohnohara peat with special reference to its properties related to ando soils Pedologist 32 16–25.Google Scholar
Childs, C.W. Parfitt, R.L. and Newman, R.H., (1990) Structural studies of Silica Springs allophane Clay Minerals 25 329–341 10.1180/claymin.1990.025.3.08.CrossRefGoogle Scholar
Childs, C.W. Hayashi, S. and Newman, R.H., (1999) Fivecoordinate aluminum in allophane Clay Minerals 47 64–69 10.1346/CCMN.1999.0470107.CrossRefGoogle Scholar
Dahlgren, R. Shoji, S. Nanzyo, M., Shoji, S. Nanzyo, M. and Dahlgren, R., (1993) Mineralogical characteristics of volcanic ash soils Volcanic Ash Soils Amsterdam Elsevier Science Publishers 101–143.Google Scholar
Engelhardt, G., Grant, D.M. and Harris, R.K., (1996) Silicon-29 NMR of solid silicates Encyclopedia of Nuclear Magnetic Resonance Chichester, UK John Wiley & Sons 4398–4407.Google Scholar
Farmer, V.C. Smith, B.F.L. and Tait, J.M., (1977) Alternation of allophane and imogolite by alkaline digestion Clay Minerals 12 195–198 10.1180/claymin.1977.012.3.02.CrossRefGoogle Scholar
Farnan, I. Kohn, S.C. and Dupree, R., (1987) A study of the structural role of water in hydrous silica glass using crosspolarisation magic angle spinning NMR Geochimica et Cosmochimica Acta 51 2869–2873 10.1016/0016-7037(87)90165-7.CrossRefGoogle Scholar
Harsh, J. Chorover, J. Nizeyimana, E., Dixon, J.B. and Schulze, D.G., (2002) Allophane and imogolite Soil Mineralogy with Environmental Applications Madison, Wisconsin Soil Science Society of America 291–322.Google Scholar
Henmi, T., (1988) Mode of the presence for the Si04 tetrahedra in the structure of allophanes Japanese Journal of Soil Science and Plant Nutrition 59 237–241.Google Scholar
Henmi, T. Matsue, N. and Johan, E., (1997) Changes in the surface acidity of allophane with a low Si/Al ratio hy reaction with ortho-silicic acid Japanese Journal of Soil Science and Plant Nutrition 68 514–520.Google Scholar
Hiradate, S., (2004) Speciation of aluminum in soil environments: application of NMR technique Soil Science and Plant Nutrition 50 303–314 10.1080/00380768.2004.10408483.CrossRefGoogle Scholar
Ildefonse, P. Kirkpatrick, R.J. Montez, B. Calas, G. Flank, A.M. and Lagarde, P., (1994) 27Al MAS NMR and aluminum x-ray absorption near edge structure study of imogolite and allophanes Clays and Clay Minerals 42 276–287 10.1346/CCMN.1994.0420306.CrossRefGoogle Scholar
Machida, H. and Arai, F., (1992) Atlas ofTephra in and around Japan Tokyo University of Tokyo Press.Google Scholar
MacKenzie, K.J.D. Bowden, M.E. and Meinhold, R.H., (1991) The structure and thermal transformations of allophanes studied hy 29Si and 27Al high resolution solid-state NMR Clays and Clay Minerals 39 337–346 10.1346/CCMN.1991.0390401.CrossRefGoogle Scholar
Ohsumi, Y., (1970) Classification and genesis of alpine soils in Japan Pedologist 14 68–84.Google Scholar
Ohsumi, Y. and Kumada, K., (1971) Studies on alpine soils: Part 4. Several considerations on the genesis of alpine wet meadow soils, part 2 Japanese Journal of Soil Science and Plant Nutrition 42 270–272.Google Scholar
Ohsumi, Y. Kurobe, T. and Kumada, K., (1971) Studies on alpine soils: Part 3. Several considerations on the genesis of alpine wet meadow soils, part 1 Japanese Journal of Soil Science and Plant Nutrition 42 265–269.Google Scholar
Padilla, G.N. Matsue, N. and Henmi, T., (2002) Change in surface properties of nano-hall allophane as influenced hy sulfate adsorption Clay Science 12 33–39.Google Scholar
Petrini, R. Forte, C. Contin, G. Pinzino, C. and Orsi, G., (1999) Structure of volcanic glasses from the NMR-EPR perspective: a preliminary application to the Neapolitan Yellow Tuff Bulletin of Volcanology 60 425–431 10.1007/s004450050242.CrossRefGoogle Scholar
Petrini, R. Forte, C. Orsi, G. Piochi, M. Pinzino, C. and Pedrazzi, G., (2001) Influence of magma dynamics on melt structure: spectroscopic studies on volcanic glasses from the Cretaio Tephra of Ischia (Italy) Contributions to Mineralogy and Petrology 140 532–542 10.1007/s004100000209.CrossRefGoogle Scholar
Schwertmann, U., (1964) Differentzierung der Eisenoxide des Bodens durch Extraktion mit Ammoniumoxalat-Loesung Zeitschrift für Pflanzenemährung und Bodenkunde 105 194–202 10.1002/jpln.3591050303.CrossRefGoogle Scholar
Slejko, F.F. Petrini, R. Forte, C. Pedrazzi, G. Pinzino, C. and D’Antonio, M., (2003) The structure of dense and vesiculated volcanic glass fragments from the Astroni tephra (Phlegraean fields, Italy) explored hy spectroscopic techniques: implications on bubble expansion and dynamics of magma ascent Journal of Non-Crystalline Solids 323 54–67 10.1016/S0022-3093(03)00291-6.CrossRefGoogle Scholar
Yang, W-HA and Kirkpatrick, R.J., (1989) Hydrothermal reaction of alhite and a sodium aluminosilicates glass: a solid-state NMR study Geochimica et Cosmochimica Acta 53 805–819 10.1016/0016-7037(89)90384-0.Google Scholar
Yoshinaga, N. Nakai, M. and Yamaguchi, M., (1973) Unusual accumulation of gihhsite and halloysite in the Kitakami pumice bed, with a note on their genesis Clay Science 4 155–165.Google Scholar
Wada, K., Dixon, J.B. and Weed, S.B., (1989) Allophane and imogolite Minerals in Soil Environments 2nd edition Madison, Wisconsin Soil Science Society of America 1051–1087.Google Scholar
Wada, S.-I., (2001) A procedure for separation and purification of allophane from weathered pumice Nendo Kagaku (Journal of the Clay Science Society of Japan) 40 242–248.Google Scholar
Wilson, M.A., (1987) NMR Techniques and Applications in Geochemistry and Soil Chemistry Oxford, UK Pergamon Press.Google Scholar