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| 柯坪断隆寒武—奥陶系硅质岩特征及储层分析 | |
| 引用本文： | 陆朋朋,罗平,阳正熙,杨式升,严冰,宋金民.柯坪断隆寒武—奥陶系硅质岩特征及储层分析[J].新疆地质,2012,30(3):329-334. |
| 作者姓名： | 陆朋朋 罗平 阳正熙 杨式升 严冰 宋金民 |
| 作者单位： | 1. 成都理工大学地球科学学院,四川成都610059;中国石油勘探开发研究院,北京100083 2. 中国石油勘探开发研究院,北京,100083 3. 成都理工大学地球科学学院,四川成都,610059 |
| 基金项目： | 中国石油股份公司课题塔里木盆地碳酸盐岩野外露头储层地质建模研究(110802kt00910)项目资助 |
| 摘 要： | 塔里木盆地柯坪断隆寒武—奥陶系硅质岩发育广泛,据野外硅质岩产状特征,将该区硅质岩大致可分为两类,即下寒武统玉尔吐斯组中与黑色泥页岩共生的薄层状硅质岩和下奥陶统蓬莱坝组碳酸盐岩中的硅质条带和结核.通过大量野外露头和镜下薄片观察,玉尔吐斯组中薄层状硅质岩含泥铁质,具纹层状构造,岩性为纹层状含泥铁质硅质岩,生长于低Eh的静水中,属Wilson模式的深水或克拉通深水盆地.蓬莱坝组的碳酸盐岩沉积相为潮下带台内滩相,部分碳酸盐矿物被硅质交代,在裂缝发育地区和旋回界面附近形成残余结构硅质岩,主要有残余砂屑硅质岩、残余藻纹层硅质岩. |
| 关 键 词： | 柯坪断隆 玉尔吐斯组 蓬莱坝组 硅质岩 |
The Petrology Characteristics,Sedimentology and Reservoir Analysis of Cambrian-Ordovician Siliceous Rocks in Kalpin Fault-Uplift |
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| LU Peng-peng , LUO Ping , YANG Zheng-xi , YANG Shi-sheng , YAN Bing , SONG Jin-min.The Petrology Characteristics,Sedimentology and Reservoir Analysis of Cambrian-Ordovician Siliceous Rocks in Kalpin Fault-Uplift[J].Xinjiang Geology,2012,30(3):329-334. | |
| Authors: | LU Peng-peng LUO Ping YANG Zheng-xi YANG Shi-sheng YAN Bing SONG Jin-min |
| Institution: | 1.College of Earth Sciences,Chengdu University of Technology,Chengdu,Sichuan,610059,China;2.Research Institute of Petroleum Exploration and Development(RIPED),Beijing,100083,China) |
| Abstract: | There are widespread siliceous rocks in Cambrian-Ordovician in Kalpin fault-uplift,Tarim Basin.According to the occurrence characteristics,the siliceous rocks in studied area can be divided into two types,that is,thin bedding black silicite coexisting with black shales in Yuertusi Formation and the siliceous belt and nodules in Penglaiba Formation in lower Ordovician.Based on the analysis of the outcrops and under microscope,the former type contains argillo ferruginous and takes on laminated structures,which is laminated bearing argillo ferruginous silicite.This type of silicite may form in quiet water with lower Eh,that is,the deep water or craton deep water basin in Wilson models.The carbonate in Penglaiba FM deposit in subtidal intraplatform shoal,the Si-rich fluid alternating carbonate minerals This type of silicite mainly distributes in fracture-developing area and surrounding depositional cyclic boundary,and the lithology is mainly residual arene silicite and residual alga laminated silicite. |
| Keywords: | Kalpin fault uplift Yuertusi Formation Penglaiba Formation Silicite |
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