SUN Yan1, LU Xian-cai1, LIU De-liang2, SHU Liang-shu1, ZHU Wen-bin1, GUO Ji-chun1. Discovery, Nomenclature of the Centimeter Scale Grinding Gravels and the Nanometer Scale Grinding Grains in Fault Shearing Zones and the Significance for Oil-Gas Geology[J]. J4.