| Institute of Geomechanics, Chinese Academy of Geological Sciences | Host |
| Citation: |
YANG Ming-gui, ZENG Zai-lin, LAI Zhi-jian, WU Xin-hua. THE "MULTI-POSITION IN ONE" MODE AND DYNAMIC MECHANISM OF MINERALIZATION OF TUNGSTEN DEPOSITS IN JIANGXI[J]. Journal of Geomechanics, 2008, 14(3): 241-250.
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THE "MULTI-POSITION IN ONE" MODE AND DYNAMIC MECHANISM OF MINERALIZATION OF TUNGSTEN DEPOSITS IN JIANGXI
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Abstract
Taking the Zhangtiantang-Xihuashan tungsten band as an example, this paper proposes a "multi-position in one" mode for tungsten deposits based on lots of explorations for tungsten deposits in Jiangxi.The core of the mode is the structure-magma-metallogenic series with genetic relation, composed of different kinds of tungsten deposits and with metallogenetic granite as its main factor.It focuses on displaying the four-dimensional structure of vein-type tungsten deposits and rules on orientation as well as various modes of vertical zoning in deposits.Meanwhile, based on obserbation of the thermodynamic process of vein-type tungsten deposits, this mode reveals the alternation of zone-level extrusion and twist with induced part-vertical inner stress field, and cutting and fracture of rocks with their expanding and recharging.It also shows constraint of the process on the whole structure of tungsten deposits and their temporal and spatial distribution.
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References
[1] 陈达孝, 包家宝, 张祖林, 等.中国矿床发现史[M].北京:地质出版社, 1996. [2] 吴永乐, 梅勇文, 刘鹏程, 等.西华山钨矿地质[M].北京:北京地质出版社, 1987. [3] 曾载淋, 田幽军.赣南地区钨矿找矿的回顾及新一轮钨矿找矿思考[J].资源调查与环境, 2006. [4] 曾载淋, 朱祥培, 许建祥.赣南钨矿资源状况与资源远景展望[J].中国钨业, 2007. [5] 杨明桂, 卢德揆. 西华山——漂塘地区脉状钨矿床的构造特征与排列组合形式[C]. 《钨矿地质讨论会论文集》. 北京: 地质出版社, 1981. [6] 李四光.地质力学概论[M].北京:地质出版社, 1973. [7] 朱焱龄, 李崇佑, 林运淮.赣南钨矿地质[M].南昌:江西人民出版社, 1981. -
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YANG Ming-gui, ZENG Zai-lin, LAI Zhi-jian, WU Xin-hua. THE "MULTI-POSITION IN ONE" MODE AND DYNAMIC MECHANISM OF MINERALIZATION OF TUNGSTEN DEPOSITS IN JIANGXI[J]. Journal of Geomechanics, 2008, 14(3): 241-250.
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Figure 1.
Drawing for "multi-position in one" mode relating to granite
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Figure 2.
A sketch of magmatite-structure-tungsten band along Zhangtiantang-Xihuashan
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Figure 3.
A sketch of ore-controlling of magmatitie band along Xihuashan-Zhangtiantang
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Figure 4.
A sketch showing the invasion relation and two-story mineralizations between the first-stage and second-stage rock masses in earlier Yanshanian
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Figure 5.
A sketch of the two-period mineralizations and array of vein groups in Guimeishan Tungsten Mine
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Figure 6.
A sketch of NEE-trending shrink fractures and tensile fractures and vein
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Figure 7.
A sketch of NWW-trending tensile fractures and shrink fractures and vein
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Figure 8.
Plan of Dajishan Tungsten Mine
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Figure 9.
Cross section of Huangsha tungsten deposits
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Figure 10.
Zero-line section plan of Xushan tungsten and copper deposits in Fengcheng City
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Figure 11.
Spatial distribution of insidious granite bell and tungsten deposits