This geobarometer is more satisfactory than theprevious calcite-dolomite geobarometer. The typomorphic feature of the calc-ite-dolomite pair from the fault zone in this area is X_(Fe)~(Cc)>X_(Fe)~(Dol).

• 本文着重就该地区Fe~(2+)在方解石-白云石中的X_(Fe)~(Co)>X_(Fe)~(Dol)分配情况,提出新的计压方法。