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 Mesozoic primary hydrocarbon accumulation has been heavily damaged by the denudations at latest middle Jurassic and latest Cretaceous and the faulting from Paleocene to Eocene.
中侏罗世末期、白奎纪末期的 地层抬升 剥蚀，以及古-始新世的断裂活动对中生代形成的原生 油气藏破坏作用明显。
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