The sedimentological and petrologic researches in the southwestern Qaidam Basin indicate that the reservoir spaces in Tertiary clastic rocks are mainly primary pores and secondary pores.

• 柴达木盆地西南地区的沉积岩石学研究表明,柴西南碎屑岩储集层的储集空间主要为原生孔隙和次生孔隙。