变形岩石优选方位研究的进展PREFERRED ORIENTATION IN DEFORMED ROCK
钟增球
摘要(Abstract)：
本文介绍了近十年来变形岩石优选方位的有关研究进展,包括优选方位的测试方法、表示方法、实验成果及其在地质上的应用等。测试方法中应用较广泛的方法——X射线衍射法是一种较快速、易于自动化操作的方法,而近年来才开始应用的中子衍射法具有很大的前景,它适用于较大颗粒集合体,能一次获得完全的极图,这是X射线衍射法所做不到的。取向分布函数(ODF)看来是迄今最优的表示方法,随着计算机的推广,将越来越普及。在以往共轴压缩(或拉伸)实验变形的基础上,Schmid及Tullis等最近又成功地对方解石及石英进行了简单剪切变形实验,其有关成果文中给予了介绍。变形岩石优选方位在地质上的应用始终是广大地质工作者关心并致力探讨的课题。近年来,结合变形实验以及对典型地区的研究,在优选方位型式与应变大小、路径、历史的关系等方面的研究都有所突破。
关键词(KeyWords)：
基金项目(Foundation):
作者(Author): 钟增球
参考文献(References)：
- 〔1〕 Law, R,D., Heterogeneous deformation and quartz crystallographic fabric trasitions: natural examples from the Moine Thrust Zone at the Stack of Glecoul, northern Assynt,Jour. of Struc. Geol., 1987, Vol.9, No.7, pp.819-833
- 〔2〕 Price, G.P., Preferred orientation in quartzite. Preferred Orientation in Deformed Metals and Rocks. An Introduction to Modern Texture Analysis(edited by Wenk, H.R.), Academic Press, Orlando, Florida, 1985, pp.385-406
- 〔3〕 Scbmid, S.M.&Casey, M., Complete fabric analysis of some commonly observed quartz c-axis patterns, Mineral and Rock Def ormatioon: Laboratory Studies, The Paterson Volume(edited by Hobbs, B E.and Heard, H.C.)Am.Geophs. Union, Geophys Monogr.1986, Vol. 36, pp.263-286
- 〔4〕 Weak, H.R., Kern, H., Schaefer, W.and Will, G.Comparison of neutron and X-ray diffraction in texture analysis of deformed rocks, Jour.of Struc. Geol., 1984, Vol.6, No.6, pp.687-692
- 〔5〕 Weak, H.R.(Ed.), Preferred Orientation in Deformed Metals and Rocks. An Introduction to Modern Texture Analysis. Academic Press, Orlando, Florida, 1985
- 〔6〕 Weak, H.R.et al., Heterogeneous deformation in axially deformed calcite polyerystals, Mineral and Rock Deformation: Laboratory Studies, The Paterson Volume (edited by Hobbs,B.E.and Heard, H.C.)Am.Geophys.Union, Geopgys.Monogr.1986, Vol.36, pp.287-295
- 〔7〕 Wenk, H.R and Kocks, U.F.. The representation of forientation distribution.Metall. Trans,1987, 18A, pp.1083-1092
- 〔8〕 Ural, J.L.Means, W.D.and Lister, G.S., Dynamic recrystallization of minerals. Mineral and Rock Deformation: Laboratory Studies, The Paterson Volume(edited by Hobbs, B.E. and Heard, H.C.)Am.Geophys.Union, Geophys. Monogr, 1986, Vol.36 pp.161-199
- 〔9〕 Schmid, S.M., Panozzo, R.and Bauer, S, Simple shear experiments on calcite rocks, : Rheology and microfabric, Jour.of Struc. Geol., 1987. Vol 9, No.5/6, pp.747-778