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正 In discussing the origin and trend of certain types of fault,joint,cleavageand other fractures,and in petrofabric analysis it has been a common practicesince the time of G.F.Becker[1],to refer to the so-called strain-ellipsoid.But it is questionable whether those references are always made with a 相似文献
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正 The metamorphic rocks in central Kansu has long been made knownby many an earlier geologist working in the area under discussion.Thename Kaolan Series is generally proposed for a group of crystalline rocksin view of its prominent development around the district of Kaolan,the 相似文献
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