| 赣西南寒武纪—奥陶纪深水沉积 |
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| 引用本文： | 吉磊.赣西南寒武纪—奥陶纪深水沉积[J].地质学报,1994,68(2):173-184,T002. |
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| 作者姓名： | 吉磊 |
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| 作者单位： | 中国科学院南京地理与湖泊研究所 |
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| 摘 要： | 赣西南地区的寒武系－奥陶系主要由深水环境沉积组成，可以识别出５个相类型：砂岩相，砂岩－泥岩相，粉砂岩－泥岩相，泥（板）岩相和硅岩组。它们属于浊流沉积和远洋－半远洋沉积，按相的分布，可以分出３个相组合，分别形成于中扇环境，外扇环境和深海平原环境，地层层序中的３组垂向旋回分别由海平面升降变化、盆地沉降和海底扇进积作用因素所控制。砂岩的化学成分反映基大地构造背景为被动大陆边缘。
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| 关 键 词： | 寒武纪 奥陶纪 深水沉积 海洋 |
CAMBRIAN-ORDOVICIAN DEEP-WATER DEPOSITS IN SOUTHWEST JIANGXI, CHINA |
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| Ji Lei.CAMBRIAN-ORDOVICIAN DEEP-WATER DEPOSITS IN SOUTHWEST JIANGXI, CHINA[J].Acta Geologica Sinica,1994,68(2):173-184,T002. |
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| Authors: | Ji Lei |
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| Abstract: | The sedimentological research on the Cambrian-Ordovician deposits in southwest Jiangxi demonstrates that the rocks are mainly composed of deep-water deposits, in which 5 facies and 5 subfacies are recognized on the basis of the lithology, textures and str |
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| Keywords: | deep-water deposits turbidite pelagite and hemipelagite subma- rine fan vertical cycle |
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