Through studies on inner textures and structures of sideritic ooides and microlithic features of pyrite and marcasite, the paper discussed their genetic geochemical conditions and forming mechanics. 摘要押通过对煤系地层中菱铁质鲕粒内部结构构造和黄铁矿、白铁矿微晶特征的研究,探讨了其生成的地球化学条件、形成机理,为地层对比、沉积地球化学条件的恢复等提供了依据。
Application of Halogen Electrode to Microlith Examination 应用卤电极检验微量水泥
Spread of Microlithic Sites in Later Paleolithic Period in Hebei and Its Position in the Horse-Hoof Shaped Scattering Pattern in North China 河北旧石器时代晚期细石器遗存的分布及在华北马蹄形分布带中的位置