| 贵州贞丰县城附近早三叠世相变带特征及其意义 |
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| 引用本文： | 李柱云,何英,张贞翔.贵州贞丰县城附近早三叠世相变带特征及其意义[J].贵州地质,2012,29(1):39-42. |
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| 作者姓名： | 李柱云 何英 张贞翔 |
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| 作者单位： | 1. 贵州省地质矿产局105地质大队,贵州贵阳,550018
2. 中国黄金集团贵州有限公司,贵州贵阳,550005 |
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| 摘 要： | 在贞丰县城附近,早三叠世印度期地层发生相变,相变带两侧分别为夜郎组第二段灰岩和安顺组第一段下亚段白云岩。本文介绍了该相变带的地质特征,分析其形成的缓坡型碳酸盐环境,并指出该相变带是贵州早三叠世最早的岩相变化带,进而探讨了它的地质意义。
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| 关 键 词： | 早三叠世 印度期 相变 特征 意义 贞丰 贵州 |
Transformation Band Characteristics and Its Significance of Early Triassic Near Zhenfeng of Guizhou |
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| LI Zhu-yun,HE Ying,ZHANG Zhen-xiang.Transformation Band Characteristics and Its Significance of Early Triassic Near Zhenfeng of Guizhou[J].Guizhou Geology,2012,29(1):39-42. |
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| Authors: | LI Zhu-yun HE Ying ZHANG Zhen-xiang |
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| Institution: | 1.115 Geological Party,Guizhou Bureau of Geology and Mineral Exploration ＆ Development,Guiyang 551400,Guizhou,China;2.Guizhou Branch of China National Gold Group Corporation,Guiyang 550005,Guizhou,China) |
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| Abstract: | Near the Zhijin county town,the phase changes in the Induan age of early Cambrian,the two sides of the transformation band are limestone in the second section of Yelang formation and dolomite in the first section of Anshun formation.In this paper,the geologic characteristic of this transformation band is introduced,it analysis the gentle slope-pattern carbonate environment and points out this transformation band is the earliest of early Cambrian in Guizhou,its geologic significance is discussed. |
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| Keywords: | early Cambrian Induan age transformation characteristic significance Zhenfeng Guizhou |
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