Formation of hoodoo-upland on Ordovician karst slope and its significance in petroleum geology in Tahe area, Tarim Basin, NW China

ZHANG San,JIN Qiang,SUN Jianfang,WEI Hehua,CHENG Fuqi,ZHANG Xudong

Fig. 2. Map showing distribution of karst landform and karst drainage during the Early Hercynian in the Tahe area.