upper tertiary meaning in English

上第三纪

Several big oil - gas reservoirs , with reserves of 100 million tons more , have been discovered in the upper tertiary middle and shallow strata of bozhong area in bohai bay since last five years , as a result , the area b ecame the hot - point area followed with interest by domestic and abroad oil men
渤中坳陷近5年来先后于中浅层的上第三系发现了多个储量超亿吨的大型油气田，成为国内外石油界关注的重点和热点地区。
The upper tertiary oil - type gas is mainly positioned in the east of the mangai depression , the aljin slope and the southwestern faulted depression , while the upper coal - type gas in the yiliping depression , the sanhu depression and the erboliang - yikeyawuru structural belt
上第三系油型气主要分布于茫崖凹陷东部、阿尔金斜坡和柴西南断陷区；上第三系煤型气主要分布于一里坪凹陷、三湖凹陷和鄂博梁伊克雅乌汝构造带。
Abstract : several big oil - gas reservoirs , with reserves of 100 million tons more , have been discovered in the upper tertiary middle and shallow strata of bozhong area in bohai bay since last five years , as a result , the area b ecame the hot - point area followed with interest by domestic and abroad oil men
文摘:渤中坳陷近5年来先后于中浅层的上第三系发现了多个储量超亿吨的大型油气田，成为国内外石油界关注的重点和热点地区。