准噶尔盆地侏罗系层序地层划分
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摘要
通过地震、钻井和露头三位一体的研究方法，把准噶尔盆地侏罗系划分为2个超层序（J1－2SS1、J2－3SS2）、7个层序（J1S1－J3S7）和15个体系域。第一超层序由Ⅰ、Ⅱ、Ⅲ、Ⅳ层序组成，相当于中下侏罗统水西沟群，包括八道湾组、三工河组及西山窑组；第二超层序由Ⅴ、Ⅵ、Ⅶ层序组成，相当于中上侏罗统的石树沟群，包括头屯河组、齐古组及喀拉扎组。介绍了各层序划分的主要依据和特征，指出Ⅲ层序底界面位于J2S22砂层组内部，是一个油气勘探意义重大的不整合面。Ⅱ、Ⅳ层序底界面位于煤层发育段之间，煤层不能作为层序界面。
： By the method of integrating seismic， drilling and outcrop， Jurassic in Junggar basin is divided into two supersequencesJ1－2SS1， J2－3SS2， seven sequencesJ1S1－J3S7 and fifteen system tracts． The first supersequence is composed of Sequence Ⅰ， Ⅱ， Ⅲ， Ⅳ， corresponding to Shuixigou group of Middle Lower Jurassic， including Badaowan formation， Sangonghe formation and Xishanyao formation． The second supersequence composed of sequence Ⅴ， Ⅵ and Ⅶ， corresponding to Shishugou group of Middle Upper Jurassic， including Toutunhe， Qigu and Kalaza formations． This paper presents the main principles and characteristics fused for above classification， and suggests that basal interface is situated within sand formation J2S22， which is an important unconformable surface for hydrocarbon exploration， which those of sequence Ⅱ and Ⅳ situated between coal seam developed members， but coal seam can not be as one of sequential interfaces．
： By the method of integrating seismic， drilling and outcrop， Jurassic in Junggar basin is divided into two supersequencesJ1－2SS1， J2－3SS2， seven sequencesJ1S1－J3S7 and fifteen system tracts． The first supersequence is composed of Sequence Ⅰ， Ⅱ， Ⅲ， Ⅳ， corresponding to Shuixigou group of Middle Lower Jurassic， including Badaowan formation， Sangonghe formation and Xishanyao formation． The second supersequence composed of sequence Ⅴ， Ⅵ and Ⅶ， corresponding to Shishugou group of Middle Upper Jurassic， including Toutunhe， Qigu and Kalaza formations． This paper presents the main principles and characteristics fused for above classification， and suggests that basal interface is situated within sand formation J2S22， which is an important unconformable surface for hydrocarbon exploration， which those of sequence Ⅱ and Ⅳ situated between coal seam developed members， but coal seam can not be as one of sequential interfaces．
引文
[1] 蒲仁海, 梅志超, 唐忠华. 准噶尔盆地东部侏罗系陆相层 序地层初探[J]. 新疆石油地质,1994,15(4):335-341.
[2] 王龙樟. 准噶尔盆地中新生代陆相层序地层学探讨及其 应用[J]. 新疆石油地质,1995,16(4):324-330.
[3] 张满郎,张 琴,朱筱敏. 准噶尔盆地侏罗系层序地层划分 探讨[J]. 石油实验地质,1998,22(3):236-240.
[4] HAQ B U (edit.). Sequence Stratigraphy and Depositional Response to Eustatic, Tectonic and Climatic Forcing[M]. Kluwer Academic Publishers,1995, 381.
[5] MIALL A D. Stratigraphic sequences and their chronostratig raphy correlation[J]. Journal of Sedimentary Petrology, 1991, 61. 497-505.
[6] POSAMENTIER H W, JAMES D P. An overview of sequence stratigraphic concepts: uses and abuse[J]. Int. Assoc Sedi mentol. Spec. Publ. 1993, 18. 3-18.
[7] VAN WAGONER J C, MITCHUM R M, CAMPION K M, et al. Siliciclastic sequence stratigraphy in well logs, Cores, and Outcrops[J]. AAPG Methods in Exploration, Sereis. 1990, 7. 1-55.
1) 张义杰,卢辉楠,齐雪峰. 准噶尔盆地侏罗系地层及沉积相研究,1994.
2) 赵霞飞,李天明,张 塞. 准噶尔盆地侏罗系层序地层学研究,1997.
[2] 王龙樟. 准噶尔盆地中新生代陆相层序地层学探讨及其 应用[J]. 新疆石油地质,1995,16(4):324-330.
[3] 张满郎,张 琴,朱筱敏. 准噶尔盆地侏罗系层序地层划分 探讨[J]. 石油实验地质,1998,22(3):236-240.
[4] HAQ B U (edit.). Sequence Stratigraphy and Depositional Response to Eustatic, Tectonic and Climatic Forcing[M]. Kluwer Academic Publishers,1995, 381.
[5] MIALL A D. Stratigraphic sequences and their chronostratig raphy correlation[J]. Journal of Sedimentary Petrology, 1991, 61. 497-505.
[6] POSAMENTIER H W, JAMES D P. An overview of sequence stratigraphic concepts: uses and abuse[J]. Int. Assoc Sedi mentol. Spec. Publ. 1993, 18. 3-18.
[7] VAN WAGONER J C, MITCHUM R M, CAMPION K M, et al. Siliciclastic sequence stratigraphy in well logs, Cores, and Outcrops[J]. AAPG Methods in Exploration, Sereis. 1990, 7. 1-55.
1) 张义杰,卢辉楠,齐雪峰. 准噶尔盆地侏罗系地层及沉积相研究,1994.
2) 赵霞飞,李天明,张 塞. 准噶尔盆地侏罗系层序地层学研究,1997.
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