赣西蒙山地区石竹山超大型硅灰石矿床地质特征及找矿前景
投稿时间:2018-05-31  修订日期:2018-07-23  点此下载全文
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王先广 江西省地质勘查基金管理中心 1138066942@qq.com 
基金项目:江西省人力资源和社会保障厅博士后科研(2016KY12)、江西省地勘基金项目(20160046)
中文摘要:江西省新余市石竹山硅灰石矿床硅灰石矿物量5400余万吨,硅灰石含量平均约为60%。Ⅱ、Ⅷ号矿体为石竹矿区内主矿体,Ⅱ号矿体走向延伸超过4800m,倾向延深超过1300m,平均厚度14.14m,硅灰石平均含量60.86%,矿石类型以硅灰石-石英-方解石型(Ⅱ号矿体)为主。Ⅷ号矿体走向延伸超1000m,倾向延深超过600m;平均厚度14.67m;硅灰石矿物量600余万吨,硅灰石平均含量61.80%,矿石类型主要为硅灰石-透辉石型。蒙山地区“岩体+碳酸盐岩+构造裂隙+盖层”组合的矽卡岩与矽卡岩化大理岩化蚀变带是寻找硅灰石矿体的重要区域;石竹山—库里一带中深部具有寻找锡铜钨多金属矿的较好潜能。
中文关键词:硅灰石  矿床  超大型  蒙山  江西
 
Geological characteristics and prospecting potential of Shizhushan superlarge Wollastonite deposit in Mengshan, West Jiangxi Province
Abstract:The Shizhushan superlarge Wollastonite deposit in Xinyu, Jiangxi province contains about 5400 tons of Wollastonite with an average content about 60%. The No. Ⅱ and Ⅷ orebodies are the main ore bodies of Shuzhushan deposit. The No.Ⅱ orebody extends more than 4800 along its strike and more than 1300m towards the trend,with an average thickness about 14.14m. The major ore type is wollastonite-quartz-calcite(No. Ⅱ orebody). The No. Ⅷ orebody stretch more than 1000m along the strike and 600m toward its trend, with an average thickness of 14.67m. The amount of wollastonite in No.Ⅷ orebody is about 600 tons with an average content about 61.80%., and the main ore type being wollastonite-diopside. The “Rock mass + carbonate rock + structure fissure + lithocap ” assemblages of skarn plus skarnization and marmorization area is the most important exploration target. It shows a good potential to explore for tin, copper, and tungsten polymetallic deposits deeper down to the Shuzhushan-Kuli area.
keywords:Wollastonite  Deposit  Super Large  Mengshan  Jiangxi.
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