深源物质参与湖相烃源岩生烃作用的初步研究*——以准噶尔盆地吉木萨尔凹陷二叠系黑色岩系为例 |
柳益群 , 周鼎武 |
A preliminary study on the relationship between deep-sourced materials and hydrocarbon generation in lacustrine source rocks: An example from the Permian black rock series in Jimusar sag,Junggar Basin |
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Liu Yi-Qun
, Zhou Ding-Wu |
| 准噶尔盆地吉木萨尔凹陷及邻区二叠系芦草沟组热液环带白云石与油的关系 a—三塘湖跃进沟热液环带铁白云石,正交偏光;b—吉木萨尔凹陷环带铁白云石,电子探针背散射图像,J174井,3317.8 m;c—雾心(黄铁矿)亮边(方解石)方解石,单偏光,J174井,3318.6 m;d—热液环带白云石,内环(气孔)被凝灰物质充填,外环为分散状中酸性凝灰物质及玻屑,正交偏光,J174井,3317.8 m;e—反射光下显示的环带白云石,内环为沥青,反射光,J174井,3317.8 m;f—热液鲕粒白云石,白云石较纯,中心包一颗碎屑,已发生均匀的蛭石化,鲕粒外为细粒的白云石与蛭石的集合体,电子探针背散射图像,J174井,3318.9 m;g—似鲕粒环带白云石,内环由细小的针状霓石集合体组成,外环为泥晶方解石,正交偏光,J174井,3318.9 m;h—不同形态的白云石颗粒呈分散状于黑色油中,单偏光,J174井,3322.3 m;i—岩石具有斑状结构,“斑晶”由细粒的方解石组成,被油胶结呈悬浮状分布于不同成分基质中,分布均匀,正交偏光,J174井,3322.3 m |
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