| 田黄萝卜纹的矿物组成与成因分析 |
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| 引用本文： | 李,平.田黄萝卜纹的矿物组成与成因分析[J].岩石矿物学杂志,2010,29(Z1):34-37. |
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| 作者姓名： | 李 平 |
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| 作者单位： | 浙江省地质矿产研究所; |
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| 基金项目： | 浙江省科技厅面上项目(2009C33107) |
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| 摘 要： | 萝卜纹是田黄的重要鉴定特征。本文通过岩石薄片、X射线衍射分析和电子探针分析等手段,确定萝卜纹的组成矿物为伊利石;萝卜纹的成因为田黄的原岩受到构造应力作用后产生了显微裂隙,次生的伊利石填充了显微裂隙;显微裂隙中的伊利石与岩石中的主要矿物迪开石光学性质差别较大而呈丝缕状(萝卜纹)。
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| 关 键 词： | 田黄 萝卜纹 伊利石 显微裂隙 |
An analysis of mineral composition and genesis of the radish striae in Tianhuang Stone |
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| LI Ping.An analysis of mineral composition and genesis of the radish striae in Tianhuang Stone[J].Acta Petrologica Et Mineralogica,2010,29(Z1):34-37. |
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| Authors: | LI Ping |
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| Institution: | LI Ping(Zhejiang Institute of Geology and Mineral resources,Hangzhou 310007,China) |
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| Abstract: | Radish striae constitute an important symbol for identification of Tianhuang. By means of rock slice, XRD test and electron microprobe analysis, the author found that the mineral constituent of the radish striae is illite. The formation of radish striae lies in the mechanism that microcracks were formed in the primary rock of Tianhuang under tectonic stress and later filled with heterogeneous illite. The illite in the microcracks looks like fibre (radish striae) because of the obvious optical difference bet... |
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| Keywords: | Tianhuang Stone radish striae illite microcrack |
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