Adamo, P., Violante, P. and Wilson, M.J. (2001) Tubular and spheroidal halloysite in pyroclastic deposits in the area of the Roccamonfina vocano (Southern Italy). Geoderma, 99, 295–316.
Askenasy, P.E., Dixon, J.B. and McKee, T.R. (1973) Spheroidal halloysite in a Guatemalan soil. Soil Science Society of America Journal, 37, 799–803.
Bailey, S.W., Brindley, G.W., Kodama, H. and Martin, R.T. (1982) Report of the Clay Minerals Society Nomenclature Committee 1980–1981: Nomenclature for regular interstratification. Clays and Clay Minerals, 30, 76–78.
Bates, T.F., Hildebrand, F.A. and Swineford, A. (1950) Morphology and structure of endellite and halloysite. American Mineralogist, 35, 463–484.
Birrell, K.S., Fieldes, M. and Williamson, K.I. (1955) Unusual forms of halloysite. American Mineralogist, 40, 122–124.
Burtner, R.I. and Warner, M.A. (1986) Relationship between illite/smectite diagenesis and hydrocarbon generation in Lower Cretaceous Mowry and Skull Creek shales of the northern Rocky Mountain area. Clays and Clay Minerals, 34, 390–402.
Chang, H.K., Mackenzie, F.T. and Schoonmaker, J. (1986) Comparisons between the diagenesis of dioctahedral and trioctahedral smectite, Brazilian offshore basins. Clays and Clay Minerals, 34, 407–423.
Churchman, G.J. and Gilkes, R.J. (1989) Recognition of intermediates in the possible transformation of halloysite to kaolinite in weathering profile. Clay Minerals, 24, 579–590.
Delvaux, B., Tessier, D., Herbillon, A.J., Burtin, G., Jaunet, A.M. and Vielvoye, L. (1992) Morphology, texture and microstructure of halloysite soil clays as related to weathering and exchangeable cation. Clays and Clay Minerals, 40, 446–456.
Giese, R.F. Jr. (1988) Kaolin minerals: structures and stabilities. Pp. 29–66 in: Hydrous Phyllosilicates (exclusive of micas)(Bailey, S.W., editor). Reviews in Mineralogy, 19. Mineralogical Society of America, Washington, D.C.
Gilkes, R.J., Suddhiprakarn, A. and Armitage, T.M. (1980) Scanning electron microscope morphology of deeply weathered granite. Clays and Clay Minerals, 28, 29–34.
Hower, J., Eslinger, E.V., Hower, M.E. and Perry, E.A. (1976) Mechanism of burial metamorphism of argillaceous sediment. 1. Mineralogical and chemi¬cal evidence. Geological Society of America Bulletin, 87, 725–737.
Kautz, C.Q. and Ryan, P.C. (2003) The 10 angstrom to 7 angstrom halloysite transition in a tropical soil sequence, Costa Rica. Clays and Clay Minerals, 51, 252–263.
Kirkman, J.H. (1977) Possible structure of halloysite disks and cylinders observed in some New Zealand rhyolitic tephras. Clay Minerals, 12, 199–216.
Kirkman, J.H. (1981) Morphology and structure of halloysite in New Zealand tephras. Clays and Clay Minerals, 29, 1–9.
Papoulis, D., Tsolis-Katagas, P. and Katagas, C. (2004) Progressive stages in the formation of kaolin minerals of different morphologies in the weathering of plagioclase. Clays and Clay Minerals, 52, 275–286.
Saigusa, M., Shoji, S. and Kato, T. (1978) Origin and nature of halloysite in Andosols from Towada Tephra, Japan. Geoderma, 20, 115–129.
Singh, B. and Gilkes, R.J. (1992) An electron optical investigation of the alteration of kaolinite to halloysite. Clays and Clay Minerals, 40, 212–229.
Wang, P., Pan, Z.L. and Weng, L.B. (1984) Mineralogy.
Geological Publishing House, Beijing, pp. 411–414 (in Chinese).
Zhang, R.Y., Wu, F.Q. and Zhang, D.H. (1987) Rectorite in Permian pelitic rocks at Zhongxiang, Hubei province. Acta Mineralogica Sinica, 7, 113–120. (in Chinese with English abstract).