Abstract: According to fossil, sedimentation, microelement, featured mineral and clay mineral characteristics, an approach is conducted to the sedimentary environments including Late Carboniferous of northeastern margin, Early, Middle and Late Permian of northwestern and southern margins and eastern part of Junggar basin. It is suggested that the sedimentary environments of Fengcheng formation of Early Permain in northwestern margin, Lucaogou formation of Middle Permian in southern margin and Member-3 and Member-4 of Pingdiquan formation of Middle Permian in northeastern margin of Junggar basin could be bordtrland coastal lacustrine ones.

Key words: Junggar basin, Late Carboniferous, Permian, sedimentary environment