寨主 meaning in English

chief of brigands

The first is early period of dongying - guantao , which is the main stage for natural gas forming with erosion and decrease of pressure . the second is from the beginning of quaternary to update , during which gas reservoir is reforming and the reforming gas is refilling into the reservoirs . according to the value k / ar in illite , the time to form the gas reservoirs can be determined as the period of dongying - guantao , among which duzhai is 43 . 0 - 38 . 0ma and 25 . 4ma , qiaokou area 37 . 8 - 25 . 4ma and 24 . 4 - 18 . 4ma , baimiao 38 . 0 - 25 . 4ma and 23 . 4 - 20 . 4ma
伊利石测年法确定的天然气成藏时期主要为东营?馆陶组早期，其中杜寨主要为43 . 0 - 38 . 0ma及25 . 4ma ；桥口地区为37 . 8 - 25 . 4ma及24 . 4 - 18 . 4ma ；白庙地区为38 . 0 - 25 . 4ma及23 . 4 - 20 . 4ma ；杜寨地区成藏较早，伊利石测年确定的是天然气藏最早形成时期，是天然气藏形成的上限，伊利石测年法确定的天然气成藏期是两大主要成藏期的第一阶段。