罗正江,王剑,宋俊俊,王睿,肖继南,彭辉平,白姣,郭文,黄兴,郄文昆,刘锋,黄璞

• 1:中国石油新疆油田分公司实验检测研究院
• 2:中国科学院南京地质古生物研究所-中国石油新疆油田公司地层古生物联合实验室
• 3:中国科学院南京地质古生物研究所现代古生物学和地层学国家重点实验室
• 4:中国科学院大学

摘要(Abstract)：

石炭系是新疆准噶尔盆地及周缘区重要的烃源岩层和油气产层之一,但尚有诸多基础地质问题亟待解决,例如车排子地区井下“车排子组”的时代与沉积构造背景。车25井位于新疆准噶尔盆地西北缘克拉玛依市车排子地区,其中石炭系包括“车排子组”和“佳木河组”。本文根据车25井“车排子组”中的新材料报道了丰富的各门类化石,包括:(1)首次在该组中发现的植物大化石Cardiopteridium sp.;(2)以双气囊花粉和单气囊花粉占优势的Protohaploxypinus verrucosus-Hamiapollenites chepaiziensis (VC)孢粉组合带,其中双气囊花粉以具肋双气囊花粉为主,包括Funisporites Leschik,1959?、Lunatisporites (Leschik) Scheuring,1970、Protohaploxypinus (Samoilovich) Hart,1964、Illinites (Kosanke) Jansonius et Hills,1976?、Striatoabieites (Sedova) Hart,1964和Hamiapollenites (Wilson) Zhan,2003;其次为无肋花粉,主要包括Vesicaspora Schemel,1951、Vitreisporites Leschik,1956、Alisporites (Daugherty)Jansonius,1971和Falcisporites Leschik,1971;单气囊花粉中出现最多的为Parasaccites Bharadwaj et Tiwari,1964和Lamellosaccites Wang et Ouyang,2003,含有少量Cordaitina Samoilovich,1953、Potonieisporites Bharadwaj,1954和Voltziaceaesporites Klaus,1964?;(3)介形类速足介目(Podocopida)3属3种,圆足介目(Metacopida)2属3种,古足介目(Palaeocopida)2属2种及平足介目(Platycopida)1属1种;(4)腕足类化石可能属于石燕贝目(Spiriferida)和直形贝目(Orthotetida)。根据这些新发现的化石,推测“车排子组”的时代可能为宾夕法尼亚亚纪巴什基尔期,形成于弧内盆地中的近岸至远岸浅海环境。

关键词(KeyWords)： 准噶尔盆地;石炭系;车25井;植物化石;孢粉组合;介形类;腕足类

Abstract:

Keywords:

基金项目(Foundation): 中国科学院战略性先导科技专项B类(XDB26000000);; 中国石油新疆油田分公司(实验检测研究院)外协项目共同资助

作者(Author): 罗正江,王剑,宋俊俊,王睿,肖继南,彭辉平,白姣,郭文,黄兴,郄文昆,刘锋,黄璞

DOI: 10.19839/j.cnki.dcxzz.2022.0023

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