The genetic types include weathering , regional meteoric corrosion , regional dolomitization regional paleokarstification , regional dedolomitization and regional fresh - water cementation and filling
2.
Three diagenesis types are help to differentiate the middle caledonian and early hercynian karst , which are stylolite , dolomitization and dedolomitization . 2 ) karst identification symbols and karst reservoir of ordovician in bores , logging , well logging and fmi have been established . karst reservoir have been identified and evaluated in the tahe oilfield