常見例句The half graben rift is one of the common continental sedimental unit of oil & gas. 箕狀斷陷是一種常見的含油氣陸相沉積單元。Tiefa basin is a late Mesozoic NNE-trending half graben coal-bearing basin,and the NWW structural system is the most important synbasinal structure. 鐵法盆地屬于晚中生代的NNE向半地塹煤盆地,北西西系是其主要的成盆期構(gòu)造。The half graben mode is a main type of depth fault depression of Songliao basin and it is the target for oil-gas exploration. 半地塹式斷陷盆地是松遼盆地深部斷陷的主要類型,是今后油氣勘探重點(diǎn)。The structure of the northern area is mainly controlled by NE- and NW-trending faults and as-sumes a half graben or a graben fault-depression. 北區(qū)盆地結(jié)構(gòu)主要受NE向和NW向斷層控制, 表現(xiàn)為半地塹或地塹斷陷結(jié)構(gòu)。The coal-accumulating process of the lower Cretaceous ChanglingFormation was formed in a half graben of the NE trending fault zone which posited on theJinJatun Formation andesite. 下白堊統(tǒng)的長(zhǎng)嶺組聚煤作用形成于金家屯組安山巖上的北東向斷陷帶之中,聚煤盆地類型以半地塹式為主。Yonganzhen oilfield is located at faulted terrace belt of sharp slope in Dongying depression which is a half graben depression controlled by three major faults. 永安鎮(zhèn)油田位于單斷式箕狀凹陷(東營(yíng)凹陷)的陡坡斷階帶,受3條大斷層控制,從南向北出現(xiàn)了低、中、高3個(gè)臺(tái)階帶。 返回 half-graben