Shanxi Formation is a set of paralic continental deposit,of which,fluvial,swamp and lacustrine facies alternatively presented regularly.

山西组为一套近陆相沉积,其中河流相、沼泽相及湖泊相有规律交替出现。

In the paralic zone .there are ample oil and gas resources, moreover, it is the important mothball area and reliver of oil and gas industry to increase reserves and enhance output.

作为滩浅滨带,具有丰富源,是目前工业增储上产重要后备区和接替区。