| 塔中地区奥陶系碳酸盐重力流沉积 |
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| 引用本文： | 李宇平,王振宇.塔中地区奥陶系碳酸盐重力流沉积[J].新疆石油地质,1997,18(3):231-233. |
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| 作者姓名： | 李宇平 王振宇 |
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| 作者单位： | 沉积学塔里木石油勘探开发指挥部!硕士新疆库尔勒841000(李宇平)，沉积学塔里木石油勘探开发指挥部!新疆库尔勒841000(王振宇) |
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| 摘 要： | 塔中地区早奥陶世末期一中奥陶世初期受加里东运动影响,碳酸盐台地可能转变为孤立台地性质,台地东端与库满坳拉槽区的深海盆地之间以陡斜坡过渡,陡斜坡上发育碳酸盐重力流沉积.根据钻井资料该斜坡带上分出了三种不同沉积类型,即塌积灰岩、滑动沉积岩和碎石(屑)流角砾状灰岩.
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| 关 键 词： | 塔里木盆地 中部 奥陶纪 碳酸盐沉积 重力流沉积 台地 斜坡带 |
GRAVITY-FLOW DEPOSITION OF ORDOVICIAN CARBONATE IN TAZHONG AREA. |
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| Li Yuping,Master,Sedimentology,Tarim Petroleum Exploration and Development Headquarter,Korla,Xinjiang Wang Zhenyu.GRAVITY-FLOW DEPOSITION OF ORDOVICIAN CARBONATE IN TAZHONG AREA.[J].Xinjiang Petroleum Geology,1997,18(3):231-233. |
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| Authors: | Li Yuping Master Sedimentology Tarim Petroleum Exploration and Development Headquarter Korla Xinjiang Wang Zhenyu |
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| Affiliation: | Li Yuping,Master,Sedimentology,Tarim Petroleum Exploration and Development Headquarter,Korla,Xinjiang 841000Wang Zhenyu |
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| Abstract: | In Tazhong area, the carbonate platform may be deformed into independent platform, resulting from the Galidonian event during the end of Early Ordovician to early period of Middle Or-dovician. The steep slope occurs between the east end of the platform and deep-sea basin within Kuman aucolgon, above which gravity-flow carbonate is deposited, based on the drilling data, three different sedimentary types are identified on the slope, namely, colluvial limestone, slip sedimentary rock, and debris flow brecciated limestone. |
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| Keywords: | Tarim Basin Ordovician Carbonate deposit Gravity flow deposit Platform Slope zone |
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