In this paper, FESEM and EDS were used to characterize the microfabrics at micron to nanometer scales in the Meso-Proterozoic silicified MDS from the North China Platform. The study shows that the MDS microscopically consist of alternating light and dark laminae of sub-millimeter scale. The micro-sparitic rims encasing the micropeloids and the micro-sparitic strips at sides of the fibers contain rarely bacterial relics, and are likely formed through microbially influenced precipitation, while the micritic fibers and micropeloids are likely from microbially induced precipitation. Thus, the widespread MDS in the Meso-Proterozoic carbonates of North China should be biogenic origin.