安徽宣城华阳地区地质特征及陶土矿找矿潜力
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摘要
华阳地区所处的大地构造位置为扬子准地台、下扬子台拗、宣城—南陵凹陷南缘,位于宣州区、宁国市和泾县交界处。结合该区地质工作成果,分析了区域成矿地质背景及研究区地质特征。鉴于华阳地区与宜兴成矿地区成矿条件相似,通过总结陶土矿成矿规律,分别从陶土矿化学成分、物理性质及工艺工业性能等方面,对华阳成矿地层与宜兴县成矿地层特征进行了详细的类比分析。研究表明:(1)宜兴地区的陶土矿主要赋存于泥盆系上统五通组及石炭系高骊山组内,而该类地层在研究区内出露广泛,在大部分区段都见有出露,可见两者成矿地层相似;(2)华阳地区陶土矿样品测试结果与宜兴地区类似,说明该区陶土矿可满足制陶原料的要求。上述分析进一步表明,华阳地区陶土矿的开发利用价值较高,且找矿潜力较大。
Huayang area in Xuancheng City is located in Yangtze paraplatform,upper Yangtze platform depression and the south of Xuancheng-Nanling sunken,it is distributed in the junction area of Xuanzhou District,Ningguo County and Jing County. Combing with the geological working results of Huayang area,the regional geological characteristics and the geological characteristics of the area are analyzed in detail. The metallogenic conditions of Huayang area is similar with the ones of Yixing metallogenic area,based on the analysis of metallogenic regularities of clay deposit,the comparison and analysis of the characteristics of metallogenic strata of clay deposit in Huayang area and Yixing metallogenic area are done from the aspects of chemical composition and physical property,technical and industrial properties. The results show that:(1)the clay deposit in Yixing metallogenic area is distributed in Wutong Formation of the Upper Devonian and Gaolishan Formation of Carboniferous,they are widely distributed in Huayang area,and they are exposed in the most sections of Huayang area,which indicated that the metallogenic strata of the two areas are similar with each other;(2)the test results of the clay ore samples in Huayang area are similar to the ones of the clay ore samples in Yixing area,which indicated that the clay deposit in Huayang are can basically meet the raw materials requirement of pottery production. The above discussion results further show that the development and utilization value is good,besides that,the prospecting potential of clay deposit in the area is huge.
Huayang area in Xuancheng City is located in Yangtze paraplatform,upper Yangtze platform depression and the south of Xuancheng-Nanling sunken,it is distributed in the junction area of Xuanzhou District,Ningguo County and Jing County. Combing with the geological working results of Huayang area,the regional geological characteristics and the geological characteristics of the area are analyzed in detail. The metallogenic conditions of Huayang area is similar with the ones of Yixing metallogenic area,based on the analysis of metallogenic regularities of clay deposit,the comparison and analysis of the characteristics of metallogenic strata of clay deposit in Huayang area and Yixing metallogenic area are done from the aspects of chemical composition and physical property,technical and industrial properties. The results show that:(1)the clay deposit in Yixing metallogenic area is distributed in Wutong Formation of the Upper Devonian and Gaolishan Formation of Carboniferous,they are widely distributed in Huayang area,and they are exposed in the most sections of Huayang area,which indicated that the metallogenic strata of the two areas are similar with each other;(2)the test results of the clay ore samples in Huayang area are similar to the ones of the clay ore samples in Yixing area,which indicated that the clay deposit in Huayang are can basically meet the raw materials requirement of pottery production. The above discussion results further show that the development and utilization value is good,besides that,the prospecting potential of clay deposit in the area is huge.
引文
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[3]林熬金.宜兴陶土的成矿特征及成矿予测区划分[J].江苏陶瓷,1981(1):141-150.
[4]游立辉.下南茹紫砂陶土矿床特征及矿石工业应用分析[J].华北国土资源,2011(4):17-18.
[5]苏炳,王世明.衡山县湖泉坳紫砂陶土矿床地质特征及工业应用分析[J].国土资源导刊,1995(4):243-245.