[1]阿丽亚·阿木提,肖继南,师天明,等.准噶尔盆地石莫1井中生代孢粉组合及其地层意义[J].新疆石油地质,2018,(02):140.[doi:10.7657/XJPG20180203]
 Aliya AMUTI,XIAO Jinan,SHI Tianming,et al.Mesozoic Sporopollen Assemblages and Their Stratigraphical Significance in Well Shimo-1 of Junggar Basin[J].Xinjiang Petroleum Geology,2018,(02):140.[doi:10.7657/XJPG20180203]
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准噶尔盆地石莫1井中生代孢粉组合及其地层意义()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2018年02期
页码:
140
栏目:
出版日期:
2018-04-01

文章信息/Info

Title:
Mesozoic Sporopollen Assemblages and Their Stratigraphical Significance in Well Shimo-1 of Junggar Basin
文章编号:
1001-3873(2018)02-0140-11
作者:
阿丽亚·阿木提肖继南师天明翁月新
(中国石油 新疆油田分公司 实验检测研究院,新疆 克拉玛依 834000)
Author(s):
Aliya AMUTI XIAO Jinan SHI Tianming WENG Yuexin
(Research Institute of Experiment and Detection, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China)
关键词:
准噶尔盆地中生代石莫1井孢粉组合地层划分对比
Keywords:
Junggar basin Mesozoic Well Shimo-1 sporopollen assemblag stratigraphical classification and correlation
分类号:
TE121.3
DOI:
10.7657/XJPG20180203
文献标志码:
A
摘要:
为解决准噶尔盆地石莫地区井下地层划分以及与周边地区地层对比问题,对石莫1井中生界孢粉化石进行了系统研究。所见孢粉化石共计98 属195种,建立了5个孢粉组合,依次为Concavissimisporites-Classopollis-Rugubivesiculites组合,对应下白垩统清水河组;Cyathidites-Cerebropollenites-Piceaepollenites组合,对应下—中侏罗统三工河组;Osmundacidites-Cycadopites-Protoconiferus组合,对应下侏罗统八道湾组;Dictyophyllidites-Aratrisporites-Alisporites组合,对应上三叠统白碱滩组至下侏罗统八道湾组下部;Punctatisporites-Converrucosisporites xinjiangensis-Parataeniaesporites pseudostriatus组合,对应中—上三叠统克拉玛依组。其组合特征可分别与准噶尔盆地南缘清水河组、三工河组、八道湾组、黄山街组和郝家沟组、克拉玛依组孢粉组合对比。孢粉化石资料表明,该井区侏罗系发育不全,缺失头屯河组、齐古组和喀拉扎组;三工河组的时代为早侏罗世晚期—中侏罗世早期,中侏罗统与下侏罗统的界线应划在三工河组下段与上段之间;八道湾组底部时代为晚三叠世,三叠系与侏罗系的界线应划在八道湾组下部。
Abstract:
To solve the problems existed in stratigraphic classification and correlation in Shimo area, the paper systematically studies the Mesozoic sporopollen fossils in Well Shimo-1. The sporopollen fossils can be divided into 195 species of 98 genera, and 5 sporopollen assemblages are identified, including the Concavissimisporites-Classopollis-Rugubivesiculites assemblage corresponding to the Lower Cretaceous Qingshuihe formation, Cyathidites-Cerebropollenites-Piceaepollenites assemblage corresponding to the Lower-Middle Jurassic Sangonghe formation, Osmundacidites-Cycadopites-Protoconiferus assemblage corresponding to the Lower Jurassic Badaowan formation, Dictyophyllidites-Aratrisporites-Alisporites assemblage corresponding to the Upper Triassic Baijiantan formation-the Lower Jurassic Badaowan formation, and Punctatisporites-Converrucosisporites xinjiangensis-Parataeniaesporites pseudostriatus assemblage corresponding to the Middle-Upper Triassic Karamay formation. The characteristics of the 5 sporopollen assemblages can be correlated with the assemblages in the Qingshuihe formation, Sangonghe formation, Badaowan formation, Huangshanjie formation and Haojiagou formation, and Karamay formation in the southern margin of Junggar basin, respectively. The data of the sporopollen fossils show that the strata of Jurassic are incompletely developed in the wellblock with the absences of Toutunhe formation, Qigu formation and Kalazha formation; the age of Sangonghe formation may be the late of Early Jurassic-the early of Middle Jurassic, the stratigraphic boundary between Middle Jurassic and Lower Jurassic should be located between the upper and lower member of Sangonghe formation; the age of the bottom of Badaowan formation may be the late Triassic, and the stratigraphic boundary between Triassic and Jurassic should be the lower Badaowan formation

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更新日期/Last Update: 2018-03-29