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矿脉“线性递变不等距”分布规律与构造关系研究——以广西都庞岭地区南竹河锡矿床为例

解 惠1, 2,田景春1,张桂林2,朱迎堂1,陆小平3,黄寿威3,胡 芳4,杨辰雨1   

  1. 1. 成都理工大学 沉积地质研究院,成都 610059;2. 桂林理工大学 地球科学学院,桂林 541004 ;3. 广西壮族自治区二七一地质队,桂林 541004;4. 成都理工大学 博物馆,成都 610059
  • 收稿日期:2009-12-20 修回日期:2009-12-20 出版日期:2009-12-20 发布日期:2009-12-20

A Preliminary Study on the Space Distribution Regularity of “Increasing Distance Pattern” of Mineralized Veins and Its Structural Relation:Taking Nanzhuhe tin deposit in Dupangling area, South China as an example

XIE Hui1,2, TIAN Jing-chun1, ZHANG Gui-lin2, ZHU Ying-tang1, LU Xiao-ping3,HUANG Shou-wei3, HU Fang4, YANG Chen-yu1   

  1. 1. Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu 610059, China;2. Institute of Geosciences, Guilin University of Technology, Guilin 541004, China;3. No. 271 Geological Party of Guangxi Zhuang Autonomous Region, Guilin 541004, China;4. Museum of Chengdu University of Technology, Chengdu 610059, China
  • Received:2009-12-20 Revised:2009-12-20 Online:2009-12-20 Published:2009-12-20

摘要: 广西都庞岭地区南竹河锡矿床产于花岗岩体的内外接触带,以脉状为主,受断裂构造控制。通过地表与深部构造相结合的研究,发现该矿床矿脉在时空分布上具有“线性递变不等距”分布规律,即矿脉在横向分布和纵向分布上分别表现为矿脉组间距、矿脉组内脉间距及矿脉段间距均具有线性递增规律。这种规律在南岭地区的九毛- 六秀、芙蓉等锡矿田(床)也有表现。另外,对这种规律产生的构造原因也进行了初步探讨。

Abstract: The Nanzhuhe tin deposit in Dupangling area is developed in the endo- and exo-contact zones of a granite body. The mineralized veins are mainly controlled by the fracture syetem. Through a combined study of both ground surface and deep structures, this paper found that the mineralized veins of this deposit have a“ increasing distance pattern” in space distribution:namely, all the intervals between mineralized veins within a vein group in the crosswise direction, the intervals between vein groups in the crosswise direction, and the intervals between the mineralized blocks within a mine district in the longitudinal direction, have a regularity of progressively increasing distance pattern. This regularity is also valid for the Furong and Jiumao-Liuxiu tin ore-fields etc. in the Nanling metallogenic belt and of significance for exploration work in the study area and the Nanling Mountains region as a whole. The relation of this regularity with fracture structure development is also discussed in this paper.