| 赵 京.广西五圩矿田成矿分带特征及其地质意义[J].地质与勘探,2016,52(1):60-69 |
| 广西五圩矿田成矿分带特征及其地质意义 |
| The Characteristics of Metallogenic Zoning And The Geological Significance Of Wuxu Ore Field Of Guangxi Province |
| 投稿时间：2015-03-19 修订日期：2015-12-24 |
| DOI： |
| 中文关键词: 地球化学 成矿流体 成矿分带 五圩矿田 |
| 英文关键词: geochemistry, ore-forming fluid, metallogenic zoning, Wuxu ore field |
| 基金项目:广西大厂锡石硫化物型锡矿科学基地研究项目（编号:200911007-13）、河池五圩矿田及外围成矿规律和找矿预测研究项目资助 |
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| 摘要点击次数: 2018 |
| 全文下载次数: 1182 |
| 中文摘要: |
| 根据野外地质调查和元素地球化学特征及流体包裹体研究，将五圩矿田分为3个大致呈带状分布的成矿带：中低温成矿带（Ⅰ）、中温成矿带（Ⅱ）和中高温成矿带（Ⅲ）。中低温成矿带内金属矿物以辰砂、雄黄和雌黄等低温矿物为主，带内成矿温度在150℃~236℃之间，且以200℃以下为主体；中温成矿带内金属矿物以闪锌矿、辉锑矿和黄铁矿等矿物为主，带内成矿温度主要在220℃~265℃之间；中高温成矿带内金属矿物以深色闪锌矿、辉锑矿和方铅矿等矿物为主，带内成矿温度在245℃~322℃之间，且温度以270℃以上为主体。通过对构造形态的空间分析以及成矿流体物理化学性质的比较，阐明了五圩矿田成矿分带特征及其地质意义，并解释了不同矿带上的矿床差异。综合五圩矿田成矿分带特征，推测箭猪坡矿床附近的深部存在隐伏岩体，并且以箭猪坡矿床为中心的深部是成矿有利部位，为五圩矿田的进一步找矿提供了依据。 |
| 英文摘要: |
| Basing on the field geological investigation, the element geochemical characteristics and the study on fluid inclusions, the paper shows that Wuxu ore field can be divided into three zonary metallogenic belts in a plane, such as the low temperature of metallogenic belt(Ⅰ), the medium-low temperature of metallogenic belt(Ⅱ) and the mesothermal temperature of metallogenic belt(Ⅲ). In the (Ⅰ)belt, there are some metallic minerals, such as cinnabar, realgar, orpiment and so on, all of them format low temperature. The metallogenic temperature are 150~236℃ and mainly below 200℃. In the (Ⅱ) belt, there are some metallic minerals, such as sphalerite, stibnite, pyrite and so on. In addition, the metallogenic temperature of this belt are 220~265℃. In the (Ⅲ) belt, the metallic minerals, such as dark sphalerite, stibnite, galena and so on have been found. The metallogenic temperature are 245~322℃, most of which are above 270℃. According to the spatial analysis of structure shape and the comparison of the physicochemical properties of ore-forming fluid, the metallogenic zoning characteristics and geological significances of Wuxu ore field have been illustrated, while the differences between different deposits of each metallogenic belts have been explained as well. With the the metallogenic zoning characteristics of Wuxu ore field, it can be inferred that there are concealed rock body in the deep of somewhere around Jianzhupo deposit. The deep in center of Jianzhupo deposit is the favorable place for mining. The reasonable thoughts for further prospecting of Wuxu ore field have been provided. |
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