产于亚洲、欧洲东部渐新统。
油页岩主要赋存于始新渐新统油柑窝组。
The oil shale mainly occurs in the Eocene-Oligocene Youganwo Formation.
指出了盆地东部和西部渐新统存在的差异。
The differences between Oligocene series in the east and west are demonstrated.
该盆地古近系发育有始新统、渐新统两套地层层序。
The Paleogene series developed Eocene series and Oilgocene series in this basin.
尕斯库勒渐新统下部油藏中，目前找到的原油主要为低熟油，未熟油与成熟油发现不多。
Oils currently discovered in the lower Oligocene reservoirs in Gas Hure are mainly low mature oil, with rare immature and mature oils.
深水区储层至少有三套，始新世陆相地层、下渐新统海陆过渡相地层和上新统及其以上海相深水扇。
There are at least three reservoir cases in deepwater: Eocene terrestrial formation, low Oligocene transitional formation and Pliocene and above Marine deepwater fans.
矿区出露中朱罗统叶巴组火山次火山沉积岩、古新世黑云母花岗斑岩、中新世二长石英斑岩以及渐新世花岗斑岩。
The middle Jurassic Yeba formation volcanics, Paleocene biotite granite porphyry, Miocene quartz monzonite and Oligocene granite porphyry could be found in the ore field.
矿区出露中朱罗统叶巴组火山次火山沉积岩、古新世黑云母花岗斑岩、中新世二长石英斑岩以及渐新世花岗斑岩。
The middle Jurassic Yeba formation volcanics, Paleocene biotite granite porphyry, Miocene quartz monzonite and Oligocene granite porphyry could be found in the ore field.
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