Teng-yueh District The exposed rock surfaces are not numerous most of the hills & ranges are soil covered & grass clad. Soil when exposed on hills & plains bright red clay except on paddy field when it is white gray slate lumps here Granite underlies most of the region & is exposed on some beds. Southwardly there is great lawn sheet with rough scarred surface covering a great area. There is lava running much of the country from Kwi Yao northwards. Limestone was seen extensively at Kwi Yao & at Wa-tien in Salmeeen Range & at many places near Tansgel.