| 姚超美,熊先孝.宁芜莺子山地区硫铁矿找矿研究[J].地质找矿论丛,2001,(1):62-66 |
| 宁芜莺子山地区硫铁矿找矿研究 |
| RESEACH OF SEARCHING SULFUR-IRON ORE IN YINGZISHAN DISTRICT, NINGWU AREA OF JIANGSU AND ANHUI PROVINCES |
| 投稿时间：2000-08-04 修订日期：2001-01-05 |
| DOI：10.6053/j.issn.1001-1412.2001.1. 013 |
| 中文关键词: 硫铁矿 控矿因素 找矿方向 莺子山地区 宁芜 |
| 英文关键词:sulfur iron ore ore-searching direction Yingzishan district Ningwu area |
| 基金项目:化学工业部科技项目《宁芜向山—皇姑山地区硫铁矿成矿预测》(编号98-地-09)部分研究成果 |
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| 中文摘要: |
| 莺子山地区与著名的向山硫铁矿有着相似的成矿条件,成矿作用主要集中在大王山旋回中,硫铁矿体的形成和分布受穹窿构造、NE向断裂、辉石闪长玢岩体等控制。具有褐铁矿化-黄铁矿化-绢云母化-高岭土化蚀变组合;重力异常显著,激电极化率ηS一般>15%,并伴有低电阻率异常;具有S异常,并伴有P,Mo元素组合异常等,是莺子山地区硫铁矿的找矿标志。地质、地球物理、地球化学、遥感特征表明和尚岘、龙庵凹一带为找矿一级远景地段,竹园山、老坟山等地为找矿二级远景地段。 |
| 英文摘要: |
| Yingzishan district is similar to Xiangshan district which is well known for sulfur iron ore in ore-forming conditions.Ore-forming process is mainly confined in Dawangshan cycle.Ore body is controlled by dome,NNE faults,or pyroxene porphyrite intrussive.Limonitization-pyritization-sericitization-kaolinitization is the alteration assemblage.Anomlies are evident,such as gravity,η>15%,low resistance,S,P,Mo element association in Yingzishan area is the guide to sulfur iron ore.Features of geology,geophysics,geochemitry and remote sensing data indicate that Heshangxian-Longanao is the first class prospect,Zhuyuanshan and Laofenshan are the second class prospects. |
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