Volcanic edifice is divided into three facies belts which are crater-near crater facies (CNCF), proximal facies (PF) and distalfacies (DF).
将火山机构分为火山口-近火山口相(CNCF)、近源相(PF)和远源相(df)三个相带。
2
Relationship between sedimentary facies and hydrocarbon distribution shows that most favorable oil and gas accumulation zones occur in the mouth bar, distal bar and sand sheet.