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依据黔西南滥木厂铊 (汞 )矿床地质特征 ,在对与矿化有关的植物组合及其分布特征进行研究的基础上 ,以大金发藓 (PolytrichumCommuneHedw)为例对其进行了地质植物法填图。按 1 2 0× 6 0m布置观察点 ,对其分布密度进行统计 ,编制密度等值线图 ,讨论了密度等值线展布方向和不同密度等值线分布区与北东向断裂带、蚀变带、矿化带以及矿化中心的关系 ,并指出了其找矿意义 .根据大金发藓常与芒箕 [Di cranopterisdichotoma(Thunb .)Bernb .]、南烛 (LyoniaSp .)、蜈蚣草 (PterisVittataL .)等共生密切 ,结合其灰分分析资料计算成矿元素富集系数 ,分析了这一特征植物组合对找寻滥木厂式铊 (汞 )矿床的作用。
Based on the geological features of thallium (mercury) deposits in southwestern Qianxian Yard Factory, based on the study on mineral assemblages and their distribution characteristics, Polytrichum Commune Hedw was used as an example to study the characteristics of thallium Figure The observation points were arranged at 120 × 600m, the distribution density was calculated, and the contour map of density was compiled. The distribution of density contour lines and distribution of contour lines with different densities and the northeast fault zone The relationship between mineralization zone and mineralization center, and pointed out the significance of prospecting.According to the relationship between Di cranopterisdichotoma (Thunb.) Bernb., Lyonia sp., Pteris vittata PterisVittataL.), Etc., combined with their ash analysis data to calculate the enrichment coefficient of ore-forming elements, analyzed the characteristics of this combination of plants to find the abortion-type thallium (mercury) deposits.