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Reports the finding that the trace elements of small ion radius, big specific gravity and high potential form the accumulative series in fault rocks, instead of divergence series. Systematic sampling test and mass equilibrium analysis of intrusive, tectonic and metamorphic complexes penetrating the core complex (MCC) in the Xingzu area of north Jiangxi, China.

Based on scanning electronic microscopic observation of three fault rocks in ductile-brittle shearing-sliding zones (including one palimpsest mylonite sampled from deep bore cores of Cajon Pass, California, two flowing-structured carbargillites sampled from Shaancan Well 1 located in north Shaanxi, and Well NH located in Huanghai, respectively), micron- and nanometer-scaled ultra-fine grinding grain texture of fault rocks is discovered in this study. And the geological significance of grinding grain texture is discussed in terms of its particulate organization, rheology of particulate slipping, laminar petrography and micro dynamics including dynamothermal metamorphism, fluid transferring, particulate autorotation, and so on. In addition, the remaining problems to be solved and broad prospects in this new study field are also discussed. [ABSTRACT FROM AUTHOR]