| 西藏南羌塘盆地中侏罗世布曲组地层特征 |
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| 引用本文： | 刘凤侠,李君,刘大玮,王振华. 西藏南羌塘盆地中侏罗世布曲组地层特征[J]. 吉林地质, 2011, 30(2): 18-21,45 |
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| 作者姓名： | 刘凤侠 李君 刘大玮 王振华 |
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| 作者单位： | 1. 吉林省地质科学研究所,吉林长春,130012
2. 中石化东北石油管理局,吉林长春,130062 |
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| 基金项目： | 中国地质调查局:1∶25万昂达尔错幅区域地质调查 |
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| 摘 要： | 南羌塘盆地布曲组广泛分布,主要岩性为灰—灰黑色粉屑灰岩、砂屑粉屑灰岩,夹少量粉屑微晶灰岩、微晶灰岩及泥质灰岩。古油气藏分布区布曲组中部产特征的鲕粒灰岩、颗粒白云岩、礁灰岩。其中产腕足、双壳、菊石等化石,时代为中侏罗世巴通阶(Bathonian)。沉积环境为属滨海前滨环境—咸化潟湖相静水环境。
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| 关 键 词： | 南羌塘盆地 布曲组 地层特征 古油气藏 巴通期 |
Stratigraphic characteristics of Buqu Formation of the middle Jurassic,Nanqiangtang Basin of Tibet |
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| LIU Feng-xia,LI Jun,LIU Da-wei,WANG Zhen-hua. Stratigraphic characteristics of Buqu Formation of the middle Jurassic,Nanqiangtang Basin of Tibet[J]. Jilin Geology, 2011, 30(2): 18-21,45 |
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| Authors: | LIU Feng-xia LI Jun LIU Da-wei WANG Zhen-hua |
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| Affiliation: | 1.Jilin Institute of Geological Sciences,Changchun 130012,Jilin,China;2.Sinopec Northeast Petroleum Administration Bureau,Changchun 130062,Jilin,China ) |
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| Abstract: | The Buqu Formation of the Nanqiangtang Basin is widely distributed,they are grey-grey black clastic limestone,psammitic clastic limestone,micrite and argillaceous limestone in lithologic character.There are oosparmicrite,grain dolomitite,reef limestone in the central part of Buqu Formation,the ancient oil and gas accumulation distribution area,in which are Brechiopoda,bivalve,ammonites fossils;the age is the Bathonian of the middle Jurassic,It belongs to foreshore littoral environment – salt lagoon stillwater environment in sedimentart environment. |
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| Keywords: | Nanqiangtang Basin Buqu formation stratigraphic characteristics the ancient oil and gas accumulation Bathonian |
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