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辽西龙潭沟元古界下马岭组底砂岩古油藏探讨
石油与天然气地质
1988年 9卷 第No.3期
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Title
A FOSSIL OIL POOL ON THE BASEMENT OF THE XIAMALING FORMATION OF THE UPPER PROTEROZOIC IN LONGTANGOU,WEST LIAONING
Authors
Wang Tieguan
Huang Guanghui
Xu Zhongy
摘要
辽宁省凌源县龙潭沟元古界下马岭组底部有一层富含碳质沥青的砂岩。本文根据地化、地质资料论证了此层含沥青砂岩是一个在元古代晚期被辉长辉绿岩体破坏了的古油藏的遗迹。
Abstract
A lenticular sandstone with carbonized asphalt up to 8-15% is discoveredin the lowest part of the Upper Proterozoic Xiamaling Formation in Longtan-gou,Lingyuan County, west Liaoning. The authors consider that there was anoil pool in the Proterozoic which was then destroyed by the intrusive gabbro-diabase of 7.6340?0.0861 million years dated by K-Ar isotopic method, Inthe places where magmatism was weak, it is possible to find oil pools in the Proterozoic.
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