苏红图-银根盆地下白垩统层序地层学研究

李文厚

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苏红图-银根盆地下白垩统层序地层学研究

李文厚

文章导航 > 沉积学报 > 1997 > 15(3): 18-22

李文厚. 苏红图-银根盆地下白垩统层序地层学研究[J]. 沉积学报, 1997, 15(3): 18-22.

引用本文:

李文厚. 苏红图-银根盆地下白垩统层序地层学研究[J]. 沉积学报, 1997, 15(3): 18-22.

Li Wenhou. Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin[J]. Acta Sedimentologica Sinica, 1997, 15(3): 18-22.

Citation:

Li Wenhou. Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin[J]. Acta Sedimentologica Sinica, 1997, 15(3): 18-22.

李文厚. 苏红图-银根盆地下白垩统层序地层学研究[J]. 沉积学报, 1997, 15(3): 18-22.

引用本文:

李文厚. 苏红图-银根盆地下白垩统层序地层学研究[J]. 沉积学报, 1997, 15(3): 18-22.

Li Wenhou. Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin[J]. Acta Sedimentologica Sinica, 1997, 15(3): 18-22.

Citation:

Li Wenhou. Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin[J]. Acta Sedimentologica Sinica, 1997, 15(3): 18-22.

苏红图-银根盆地下白垩统层序地层学研究

李文厚

西北大学地质系西安 710069

详细信息

作者简介:
李文厚男 48岁副教授沉积学

中图分类号: P53

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文章访问数: 637
HTML全文浏览量: 8
PDF下载量: 399
被引次数: 0

Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin

Li Wenhou

Department of Geology,Northwest University,Xi'an 710069

摘要

摘要: 本文根据沉积、古生物及地震资料对苏红图—银根盆地下白垩统的层序地层学特征进行了研究。把下白垩统划分为１个三级层序和低水位体系域、湖侵体系域、高水位体系域。根据准层序的叠置方式，准层序组有进积型、退积型和加积型，本区下白垩统可以划分９个准层序组，以退积型准层序组最为发育。苏红图—银根盆地早白垩世早期沉积格局曾发生过显著变化，从早到晚先后发育冲积扇、扇三角洲、浅湖和深湖相沉积，并在深湖相暗色页岩中夹有浊流和泥石流沉积，为退积型湖进层序。早白垩世晚期则由滨浅湖相演化为滨湖沼泽和河流相沉积，为进积型湖退层序。本区的湖侵体系域浅湖—深湖相暗色泥、页岩厚度大，有机质丰度高，类型好，是重要的烃源岩。低水位体系域的扇三角洲层序以加积型为特征，即下部为扇三角洲平原，中部为扇三角洲前缘，上部为前扇三角洲。反映了该区处于活动盆地边缘，湖水由浅变深，扇三角洲相应后退，沉降速率大于沉积速率。其中扇三角洲前缘砂体的储集作用不可低估。高水位体系域的滨浅湖滩砂也是重要的油气储集体。而湖侵体系域的深湖相泥、页岩和高水位体系域的滨湖沼泽相泥岩均可作为区域盖层。它们在垂向上构成了有利的生储盖组合。
- 苏红图&mdash /
- 银根盆地 /
- 下白垩统 /
- 层序地层学 /
- 层序 /
- 体系域 /
- 生储盖组合
Abstract: Based on sedimentary, palaeontological and seismic data, the sequence stratigraphy of the LowerCretaceous in the Suhongtu-Yingen basin has been studied. The Lower Cretaceous is divided into 1 se-quence and lowstand system tract, transgressive system tract as well as highstand system tract. Accord-ing to incumbent style of parasequence, parasequence sets are divided into transgressive style, retrogres-sive style and accretion style. In this region, the lower Cretaceous in divided into 9 parasequence sets, andretrogression parasequence style is developed much better among them. Early period of the Early Creta-ceous has experienced great changes in the Suhongtu-Yingen basin. From Early Cretaceous to Later Cre-taceous, allavial fan, fan delta, shallow lake and deep-lake are developed and turbidity current and debrisflow that belong to lake transgressive stratigraphic sequence of retrogressive style exist in deep-lakemelane mudstone. In late of Early Cretaceous shore-shllow lake has changed into shore-lake swamp andriver that belong to lake retrogressive stratigraphic sequence of transgressive style. In the region, shal-low-deep lake melane mudstone and shale of transgressive system tract that its depth is thick and its or-ganic content is rich and style is good, showing which is important hydrocarbon source rocks. Among fandelta stratigraphic sequence of lowstand system tract, accretion style is more characteristic. In otherwords,its lower part belongs to fan delta plain,its middle belongs to fan delta front and its upper belongsto profan delta. The characteristics reflect that the region might be in the margin of active basin,in whichlake changes from shallow to deep, fan delta retreats with it and rate of subsidence is more rapid thanrate of sedimentation. Reservoir ability of fan delta front is good among them, shore-shallow lake beachsandbody is important gas-oil reservoir body and deep-lake mudstone and shale of transgressive systemtract and shore-lake swampy mudstone of highstand system tract are good cover rock. They have consti-tuted favoruable source-reservoir- cap rocks assemblages.
- Suhongtu-Yingen basin /
- lower cretaceous /
- sequence stratigraphy sequence /
- system tracts /
- source-reservoir-cap rocks /
- assemblages /

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参考文献(6)

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[5]	冷胜荣,纪友亮,张世奇等.吐哈盆地台北凹陷侏罗系层序地层学研究.地质论评, 1994, 40(增刊 ): 168 ～ 174.
[6]	刘宝君,余光明,陈成生. 西藏日喀则地区第三系大竹卡组砾质扇三角洲— 片状颗粒流沉积. 岩相古地理, 1990, 10(1): 1 ～11.

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[2]	陈虹宇, 胡广, 胡文瑄, 罗婷婷, 王学寅, 刘友祥. 浙江石浦下白垩统石浦群沉积相、层序及相对海平面变化 . 沉积学报, 2018, 36(2): 243-256. doi: 10.14027/j.issn.1000-0550.2018.032
[3]	吴和源. 朝向层序地层学标准化:层序地层学研究的一个重要科学命题 . 沉积学报, 2017, 35(3): 425-435. doi: 10.14027/j.cnki.cjxb.2017.03.001
[4]	李婷婷, 朱如凯, 白斌, 王崇孝, 李铁峰. 混积岩储层特征——以酒泉盆地青西凹陷下白垩统混积岩为例 . 沉积学报, 2015, 33(2): 376-384. doi: 10.14027/j.cnki.cjxb.2015.02.017
[5]	. 深水湖盆沉积砂体的层序地层分析——以四川侏罗系为例 . 沉积学报, 2013, 31(05): 798-806.
[6]	杨俊生. 苏丹Muglad盆地Fula坳陷白垩系Abu Gabra组层序地层及沉积体系 . 沉积学报, 2008, 26(6): 994-1004.
[7]	袁红旗. 海拉尔盆地查干诺尔凹陷下白垩统层序地层学研究 . 沉积学报, 2008, 26(2): 241-248.
[8]	张成, 李春柏, 楚美娟, 史淑玲. 乌尔逊凹陷下白垩统高频层序特征及其控制因素分析 . 沉积学报, 2005, 23(4): 657-663.
[9]	刘忠宝, 于炳松, 李廷艳, 樊太亮, 蒋宏忱. 塔里木盆地塔中地区中上奥陶统碳酸盐岩层序发育对同生期岩溶作用的控制 . 沉积学报, 2004, 22(1): 103-109.
[10]	张喜林, 朱筱敏, 钟大康, 梁兵, 曹冰, 贺向阳. 苏北盆地高邮凹陷第三系—上白垩统层序地层格架特征 . 沉积学报, 2004, 22(3): 393-399.
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文章访问数: 637
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苏红图-银根盆地下白垩统层序地层学研究

李文厚

西北大学地质系西安 710069

作者简介:
李文厚男 48岁副教授沉积学

收稿日期: 1996-05-07
刊出日期: 1997-09-10

中图分类号: P53

关键词:

层序 /

体系域 /

生储盖组合

摘要: 本文根据沉积、古生物及地震资料对苏红图—银根盆地下白垩统的层序地层学特征进行了研究。把下白垩统划分为１个三级层序和低水位体系域、湖侵体系域、高水位体系域。根据准层序的叠置方式，准层序组有进积型、退积型和加积型，本区下白垩统可以划分９个准层序组，以退积型准层序组最为发育。苏红图—银根盆地早白垩世早期沉积格局曾发生过显著变化，从早到晚先后发育冲积扇、扇三角洲、浅湖和深湖相沉积，并在深湖相暗色页岩中夹有浊流和泥石流沉积，为退积型湖进层序。早白垩世晚期则由滨浅湖相演化为滨湖沼泽和河流相沉积，为进积型湖退层序。本区的湖侵体系域浅湖—深湖相暗色泥、页岩厚度大，有机质丰度高，类型好，是重要的烃源岩。低水位体系域的扇三角洲层序以加积型为特征，即下部为扇三角洲平原，中部为扇三角洲前缘，上部为前扇三角洲。反映了该区处于活动盆地边缘，湖水由浅变深，扇三角洲相应后退，沉降速率大于沉积速率。其中扇三角洲前缘砂体的储集作用不可低估。高水位体系域的滨浅湖滩砂也是重要的油气储集体。而湖侵体系域的深湖相泥、页岩和高水位体系域的滨湖沼泽相泥岩均可作为区域盖层。它们在垂向上构成了有利的生储盖组合。

English Abstract

Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin

Li Wenhou

Department of Geology,Northwest University,Xi'an 710069

Received Date: 1996-05-07
Publish Date: 1997-09-10

Keywords:

Abstract: Based on sedimentary, palaeontological and seismic data, the sequence stratigraphy of the LowerCretaceous in the Suhongtu-Yingen basin has been studied. The Lower Cretaceous is divided into 1 se-quence and lowstand system tract, transgressive system tract as well as highstand system tract. Accord-ing to incumbent style of parasequence, parasequence sets are divided into transgressive style, retrogres-sive style and accretion style. In this region, the lower Cretaceous in divided into 9 parasequence sets, andretrogression parasequence style is developed much better among them. Early period of the Early Creta-ceous has experienced great changes in the Suhongtu-Yingen basin. From Early Cretaceous to Later Cre-taceous, allavial fan, fan delta, shallow lake and deep-lake are developed and turbidity current and debrisflow that belong to lake transgressive stratigraphic sequence of retrogressive style exist in deep-lakemelane mudstone. In late of Early Cretaceous shore-shllow lake has changed into shore-lake swamp andriver that belong to lake retrogressive stratigraphic sequence of transgressive style. In the region, shal-low-deep lake melane mudstone and shale of transgressive system tract that its depth is thick and its or-ganic content is rich and style is good, showing which is important hydrocarbon source rocks. Among fandelta stratigraphic sequence of lowstand system tract, accretion style is more characteristic. In otherwords,its lower part belongs to fan delta plain,its middle belongs to fan delta front and its upper belongsto profan delta. The characteristics reflect that the region might be in the margin of active basin,in whichlake changes from shallow to deep, fan delta retreats with it and rate of subsidence is more rapid thanrate of sedimentation. Reservoir ability of fan delta front is good among them, shore-shallow lake beachsandbody is important gas-oil reservoir body and deep-lake mudstone and shale of transgressive systemtract and shore-lake swampy mudstone of highstand system tract are good cover rock. They have consti-tuted favoruable source-reservoir- cap rocks assemblages.

李文厚. 苏红图-银根盆地下白垩统层序地层学研究[J]. 沉积学报, 1997, 15(3): 18-22.

引用本文:

李文厚. 苏红图-银根盆地下白垩统层序地层学研究[J]. 沉积学报, 1997, 15(3): 18-22.

Li Wenhou. Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin[J]. Acta Sedimentologica Sinica, 1997, 15(3): 18-22.

Citation:

Li Wenhou. Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin[J]. Acta Sedimentologica Sinica, 1997, 15(3): 18-22.

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苏红图-银根盆地下白垩统层序地层学研究

作者简介:
李文厚男 48岁副教授沉积学

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Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin

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目录

苏红图-银根盆地下白垩统层序地层学研究

西北大学地质系西安 710069

作者简介:
李文厚男 48岁副教授沉积学

English Abstract

Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin

Department of Geology,Northwest University,Xi'an 710069

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苏红图-银根盆地下白垩统层序地层学研究

作者简介: 李文厚 男 48岁 副教授 沉积学

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出版历程

Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin

计量

出版历程

目录

苏红图-银根盆地下白垩统层序地层学研究

西北大学地质系 西安 710069

作者简介: 李文厚 男 48岁 副教授 沉积学

English Abstract

Sequence Stratigraphy of Lower Cretaceous in Suhongtu -Yingen Basin

Department of Geology,Northwest University,Xi'an 710069

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
李文厚男 48岁副教授沉积学

西北大学地质系西安 710069

作者简介:
李文厚男 48岁副教授沉积学