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. 1. Paleostructural characteristics and stratigraphic framework of the Ordovician in the Tahe area. (a) Location of the study area and Paleozoic fault system; (b) Pre-carboniferous geomorphology and fault distribution; (c) Stratigraphic column