柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

刘炳强; 祝铠甲; 黄献好; 陈磊; 刘达成; 邵龙义

doi:10.14027/j.issn.1000-0550.2018.130

ISSN 1000-0550 CN 62-1038/P

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柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

刘炳强, 祝铠甲, 黄献好, 陈磊, 刘达成, 邵龙义

文章导航 > 沉积学报 > 2019 > 37(2): 356-370

刘炳强, 祝铠甲, 黄献好, 陈磊, 刘达成, 邵龙义. 柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究[J]. 沉积学报, 2019, 37(2): 356-370. doi: 10.14027/j.issn.1000-0550.2018.130

引用本文:

LIU BingQiang, ZHU KaiJia, HUANG XianHao, CHEN Lei, LIU DaCheng, SHAO LongYi. Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(2): 356-370. doi: 10.14027/j.issn.1000-0550.2018.130

Citation:

LIU BingQiang, ZHU KaiJia, HUANG XianHao, CHEN Lei, LIU DaCheng, SHAO LongYi. Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(2): 356-370. doi: 10.14027/j.issn.1000-0550.2018.130

引用本文:

Citation:

LIU BingQiang, ZHU KaiJia, HUANG XianHao, CHEN Lei, LIU DaCheng, SHAO LongYi. Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(2): 356-370. doi: 10.14027/j.issn.1000-0550.2018.130

柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

doi: 10.14027/j.issn.1000-0550.2018.130

1.
中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083;
2.
青海煤炭地质勘查院, 西宁 810001

基金项目: 国家自然科学基金项目（41572090）；青海省地质勘查基金项目（2017042109kc059）

详细信息

作者简介:
刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者:
邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

中图分类号: P618.13

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文章访问数: 390
HTML全文浏览量: 11
PDF下载量: 227
被引次数: 0

Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin

1.
College of Geoscience and Surveying Engineering, China University of Mining & Technology(Beijing), Beijing 100083, China;
2.
Qinghai Coal Geological Exploration Institute, Xining 810001, China

Funds: National Natural Science Foundation of China, No.41572090; Qinghai Geological Exploration Foundation Project, No.2017042109kc059

摘要

摘要: 柴西缘阿尔金山前侏罗系与柴北缘侏罗系具有相似的沉积背景，发育较好的泥页岩层段，具有一定的页岩气资源潜力。通过对野外露头与钻孔岩芯沉积特征的研究，建立了柴西缘阿尔金山前下侏罗统小煤沟组层序地层格架，恢复了基于三级层序的岩相古地理，并对沉积演化特征进行分析。小煤沟组岩性主要为泥岩、页岩、粉砂岩、砂岩、砾岩，发育湖泊、扇三角洲和辫状河沉积体系，包含半深湖、滨浅湖、湖湾、扇三角洲平原、扇三角洲前缘、河床、泛滥平原等沉积相。根据区域不整合面、河流下切谷冲刷面等层序界面，将小煤沟组划分为3个三级层序，每个层序内均发育一定厚度的泥页岩段。在单剖面和对比剖面沉积相分析的基础上，以三级层序为作图单元，利用单因素分析多因素综合作图法恢复了研究区古地理面貌。小煤沟组整体呈现北部半深湖、滨浅湖，南部以及东北部扇三角洲、河流的古地理格局，地势具有东南高西北低的特点，此时阿尔金山尚未隆升，物源主要来自于南部的柴达木盆地腹部隆起以及东北部的古阿拉巴什套山，盆地沉积中心主要为清水沟以及小西沟东北地区，发育厚度巨大的泥页岩段，为侏罗系页岩气勘探的有利地区。
- 柴西缘 /
- 小煤沟组 /
- 层序地层 /
- 岩相古地理
Abstract: The Jurassic strata of southern Altyn tagh in the western Qaidam Basin have a similar sedimentary background as that in the northern Qaidam Basin, with well-developed shale beds and promising resource prospects. Based on the sedimentary characteristics of outcrop and borehole cores, sequence stratigraphic framework of the Lower Jurassic Xiaomeigou Formation of southern Altyn tagh was established, the lithofacies paleogeography of third-order sequence was reconstructed, and the sedimentary evolution characteristics were analyzed. The lithology of the Xiaomeigou Formation mainly consists of mudstone, shale, siltstone, sandstone, and conglomerate. Three depositional systems were classified, including braided fluvial, fan delta, and lake.The braided fluvial system is composed of river bed and floodplain facies; the fan delta system consists of fan deltaic plain and fan deltaic front facies; and the lacustrine system includes shore-shallow lacustrine, lake-bay, and semi-deep lake facies. The sequence boundaries, including the regional unconformities, fluvial incision surfaces, and abrupt change surfaces of both lithology and color were identified. According to these sequence boundaries, the Xiaomeigou Formation was subdivided into three third-order sequences. Based on the analysis of the sedimentary facies in both single and comparative profiles, the single factor analysis and multifactor comprehensive mapping method were used to reconstruct the lithofacies palaeogeography of each third-order sequence. The semi-deep lake and shore-shallow lacustrine facies mainly developed in the north, while the fan delta and the river developed in the south and northeast of the research area. From southeast to northwest, the terrain gradually decreases, and Altyn tagh had not yet risen in this period. The uplift of the Qaidam Basin in the south and the ancient Alabashitao mountain in the northeast are mainly provenance. The northeast region of Qingshuigou and Xiaoxigou is the depocenter in the prototype basin, which developed shale with large thicknesses, and is the favorable area for exploration of Jurassic shale gas.
- western Qaidam Basin /
- Xiaomeigou Formation /
- sequence stratigraphy /
- lithofacies paleogeography

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[1]	汤艳玲, 李凌, 谭秀成, 李明隆, 芦飞凡, 张本健. 川西南部地区下二叠统栖霞阶层序地层特征及岩相古地理 . 沉积学报, 2024, 42(2): 575-592. doi: 10.14027/j.issn.1000-0550.2022.043
[2]	闫伟, 刘洋, 郭玮, 周黎霞, 蔡郑红, 黄正良. 鄂尔多斯盆地西部奥陶纪乌拉力克期岩相古地理特征【鄂尔多斯盆地乌拉力克组海相页岩气勘探专辑】 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.096
[3]	罗锦宇, 祝海华, 梁兴, 张介辉, 张廷山, 闵华军, 张喜, 邹辰, 李军君. 滇黔北坳陷寒武系筇竹寺组岩相古地理特征与优质页岩展布 . 沉积学报, 2023, 41(4): 1257-1270. doi: 10.14027/j.issn.1000-0550.2022.005
[4]	黄献好, 孙玉琦, 王伟超, 刘炳强, 张少林, 张语涛, 邵龙义. 柴北缘西大滩地区下—中侏罗统层序—古地理及聚煤特征 . 沉积学报, 2020, 38(2): 266-283. doi: 10.14027/j.issn.1000-0550.2019.044
[5]	常嘉, 陈世悦, 鄢继华. 淄博博山地区晚古生代煤系层序地层与聚煤作用 . 沉积学报, 2019, 37(5): 968-980. doi: 10.14027/j.issn.1000-0550.2018.189
[6]	李百强, 王起琮, 张小莉, 吴珍珍, 巨银娟, 纪炜, 李军. 鄂尔多斯盆地中南部马五_1-2亚段岩相古地理特征及其对储层的影响 . 沉积学报, 2019, 37(3): 589-600. doi: 10.14027/j.issn.1000-0550.2018.141
[7]	. 准噶尔盆地南缘中下侏罗统含煤层系层序地层及聚煤控制因素 . 沉积学报, 2014, 32(1): 61-67.
[8]	. 西南地区晚二叠世层序—古地理及聚煤特征 . 沉积学报, 2013, 31(05): 856-866.
[9]	胡明毅. 四川盆地嘉陵江组层序—岩相古地理特征和储层预测 . 沉积学报, 2010, 28(6): 1145-1152.
[10]	冯有良. 辽河西部凹陷古近系层序地层与地层岩性油气藏预测 . 沉积学报, 2009, 27(1): 57-63.
[11]	郑荣才. 川东北地区飞仙关组层序—岩相古地理特征和鲕滩预测 . 沉积学报, 2009, 27(1): 1-8.
[12]	赵彦德. 南堡凹陷古近系层序地层格架中烃源岩分布与生烃特征研究 . 沉积学报, 2008, 26(6): 1077-1085.
[13]	杨明慧. 鄂尔多斯盆地东北缘晚古生代陆表海含煤岩系层序地层研究 . 沉积学报, 2008, 26(6): 1005-1013.
[14]	淡卫东. 川西白马庙气田上侏罗统蓬莱镇组高分辨率层序地层对比 . 沉积学报, 2007, 25(5): 708-715.
[15]	. 鄂尔多斯盆地陇东地区延长组沉积相特征与层序地层分析 . 沉积学报, 2006, 24(4): 549-554.
[16]	杨剑萍, 许正豪, 姜在兴, 操应长, 陈发亮. 山东惠民凹陷中央隆起带古近系沙河街组层序地层特征及控制因素研究 . 沉积学报, 2003, 21(4): 670-674.
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[20]	张海清, 刘本培, 方念乔. 滇西南古特提斯石炭纪海山碳酸盐台地的层序地层学研究 . 沉积学报, 1997, 15(4): 18-23.

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柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

doi: 10.14027/j.issn.1000-0550.2018.130

1. 中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083;

2. 青海煤炭地质勘查院, 西宁 810001

基金项目: 国家自然科学基金项目（41572090）；青海省地质勘查基金项目（2017042109kc059）

作者简介:
刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者: 邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

收稿日期: 2018-01-05
修回日期: 2018-04-26
刊出日期: 2019-04-10

中图分类号: P618.13

关键词:

柴西缘 /

小煤沟组 /

层序地层 /

岩相古地理

摘要: 柴西缘阿尔金山前侏罗系与柴北缘侏罗系具有相似的沉积背景，发育较好的泥页岩层段，具有一定的页岩气资源潜力。通过对野外露头与钻孔岩芯沉积特征的研究，建立了柴西缘阿尔金山前下侏罗统小煤沟组层序地层格架，恢复了基于三级层序的岩相古地理，并对沉积演化特征进行分析。小煤沟组岩性主要为泥岩、页岩、粉砂岩、砂岩、砾岩，发育湖泊、扇三角洲和辫状河沉积体系，包含半深湖、滨浅湖、湖湾、扇三角洲平原、扇三角洲前缘、河床、泛滥平原等沉积相。根据区域不整合面、河流下切谷冲刷面等层序界面，将小煤沟组划分为3个三级层序，每个层序内均发育一定厚度的泥页岩段。在单剖面和对比剖面沉积相分析的基础上，以三级层序为作图单元，利用单因素分析多因素综合作图法恢复了研究区古地理面貌。小煤沟组整体呈现北部半深湖、滨浅湖，南部以及东北部扇三角洲、河流的古地理格局，地势具有东南高西北低的特点，此时阿尔金山尚未隆升，物源主要来自于南部的柴达木盆地腹部隆起以及东北部的古阿拉巴什套山，盆地沉积中心主要为清水沟以及小西沟东北地区，发育厚度巨大的泥页岩段，为侏罗系页岩气勘探的有利地区。

English Abstract

Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin

1. College of Geoscience and Surveying Engineering, China University of Mining & Technology(Beijing), Beijing 100083, China;

2. Qinghai Coal Geological Exploration Institute, Xining 810001, China

Funds: National Natural Science Foundation of China, No.41572090; Qinghai Geological Exploration Foundation Project, No.2017042109kc059

Received Date: 2018-01-05
Rev Recd Date: 2018-04-26
Publish Date: 2019-04-10

Keywords:

Abstract: The Jurassic strata of southern Altyn tagh in the western Qaidam Basin have a similar sedimentary background as that in the northern Qaidam Basin, with well-developed shale beds and promising resource prospects. Based on the sedimentary characteristics of outcrop and borehole cores, sequence stratigraphic framework of the Lower Jurassic Xiaomeigou Formation of southern Altyn tagh was established, the lithofacies paleogeography of third-order sequence was reconstructed, and the sedimentary evolution characteristics were analyzed. The lithology of the Xiaomeigou Formation mainly consists of mudstone, shale, siltstone, sandstone, and conglomerate. Three depositional systems were classified, including braided fluvial, fan delta, and lake.The braided fluvial system is composed of river bed and floodplain facies; the fan delta system consists of fan deltaic plain and fan deltaic front facies; and the lacustrine system includes shore-shallow lacustrine, lake-bay, and semi-deep lake facies. The sequence boundaries, including the regional unconformities, fluvial incision surfaces, and abrupt change surfaces of both lithology and color were identified. According to these sequence boundaries, the Xiaomeigou Formation was subdivided into three third-order sequences. Based on the analysis of the sedimentary facies in both single and comparative profiles, the single factor analysis and multifactor comprehensive mapping method were used to reconstruct the lithofacies palaeogeography of each third-order sequence. The semi-deep lake and shore-shallow lacustrine facies mainly developed in the north, while the fan delta and the river developed in the south and northeast of the research area. From southeast to northwest, the terrain gradually decreases, and Altyn tagh had not yet risen in this period. The uplift of the Qaidam Basin in the south and the ancient Alabashitao mountain in the northeast are mainly provenance. The northeast region of Qingshuigou and Xiaoxigou is the depocenter in the prototype basin, which developed shale with large thicknesses, and is the favorable area for exploration of Jurassic shale gas.

引用本文:

Citation:

LIU BingQiang, ZHU KaiJia, HUANG XianHao, CHEN Lei, LIU DaCheng, SHAO LongYi. Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(2): 356-370. doi: 10.14027/j.issn.1000-0550.2018.130

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柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

doi: 10.14027/j.issn.1000-0550.2018.130

作者简介:
刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者:
邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

计量

Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin

计量

目录

柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

doi: 10.14027/j.issn.1000-0550.2018.130

1. 中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083;

2. 青海煤炭地质勘查院, 西宁 810001

作者简介:
刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者: 邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

English Abstract

Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin

1. College of Geoscience and Surveying Engineering, China University of Mining & Technology(Beijing), Beijing 100083, China;

2. Qinghai Coal Geological Exploration Institute, Xining 810001, China

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柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

doi: 10.14027/j.issn.1000-0550.2018.130

作者简介: 刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者: 邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

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Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin

计量

出版历程

目录

柴西缘阿尔金山前下侏罗统层序地层与岩相古地理研究

doi: 10.14027/j.issn.1000-0550.2018.130

1. 中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083; 2. 青海煤炭地质勘查院, 西宁 810001

作者简介: 刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者: 邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

English Abstract

Sequence Stratigraphy and Lithofacies Paleogeography of the Lower Jurassic in Southern Altyn Tagh, Western Qaidam Basin

1. College of Geoscience and Surveying Engineering, China University of Mining & Technology(Beijing), Beijing 100083, China; 2. Qinghai Coal Geological Exploration Institute, Xining 810001, China

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

通讯作者:
邵龙义,男,教授,E-mail:Shaol@cumtb.edu.cn

1. 中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083;

2. 青海煤炭地质勘查院, 西宁 810001

作者简介:
刘炳强,男,1992年出生,博士研究生,沉积学与层序地层学,E-mail:1090846808@qq.com

1. College of Geoscience and Surveying Engineering, China University of Mining & Technology(Beijing), Beijing 100083, China;

2. Qinghai Coal Geological Exploration Institute, Xining 810001, China