| 西藏南木林县宗当盆地第三纪陆相地层 |
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| 引用本文： | 郭双兴
,吴一民.西藏南木林县宗当盆地第三纪陆相地层[J].地层学杂志,1988(4). |
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| 作者姓名： | 郭双兴 吴一民 |
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| 摘 要： | <正> 南木林县宗当盆地位于西藏日喀则市东北130km,海拔4200—4800m。宗当盆地为宽缓的向斜构造,面积约160km,地层由日贡拉组、芒乡组、来庆组和乌郁组组成。在芒乡组和乌郁组下部含有煤层、油页岩及石油显示。宗当盆地地层报道较少(吴一民,1983)。60年代初,西藏地质大队将盆地地层自下而上划分为六组,即当金塘组、才多组、宗当组、尼姑庙组、雅龙山组和茶龙组,定其时代为第三纪。1970—1973年,西藏地质局
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The Tertiary terrestrial strata of the Zongdang basin in Namling, Xizang |
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| Abstract: | The paper deals with the Tertiary stratigraphy of the Zongdang basin in Namling, Xizang (Tibet). This basin consists ascendingly of the Oligocene Regucnla Formation lying disconformably on the Cretaceous metamorphic rocks, the Lower to Middle Miocene Mangxiang For mation overlying conformably the Reguenla Formation, the Upper Miocene Laiqing Formation resting disconformably on the Man-gxiang Formation, and the Pliocene Wuyu Formation including six members, namely, the Dangjing-tang, Caiduo, Zongdang, Nigumiao, Yalongshan and Chalong Members lying disconformably on the Laiqing Formation. |
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