甘肃省肃北县狼查沟金矿床找矿方法及成矿潜力分析
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摘要
甘肃省肃北县狼查沟金矿位于加里东褶皱带南祁连区,矿体赋存于中奥陶统盐池湾组凝灰岩、凝灰质砂岩中,受NEE向断裂构造控制,志留纪闪长岩为金矿化提供了热源,也提供了部分矿质。通过对狼查沟金矿床钻孔原生晕及控矿因素的研究,认为矿区深部具有较好找矿前景。
The Langchagou gold deposit is located at the South Qilian area of Caledonian fold belt in Subei County of Gansu Province.The orebody is hosted in tuff and tuffaceous sandstone of the Yanchiwan Group of middle Ordovician system,which is controlled by NEE fracture structure.Silurian diorite provides the heat source for gold mineralization,and also provides some minerals.According to the study of borehole primary halo and controlling factors of Langchagou gold deposit,it is considered that there is a great prospecting potential in the deep part of the deposit.
The Langchagou gold deposit is located at the South Qilian area of Caledonian fold belt in Subei County of Gansu Province.The orebody is hosted in tuff and tuffaceous sandstone of the Yanchiwan Group of middle Ordovician system,which is controlled by NEE fracture structure.Silurian diorite provides the heat source for gold mineralization,and also provides some minerals.According to the study of borehole primary halo and controlling factors of Langchagou gold deposit,it is considered that there is a great prospecting potential in the deep part of the deposit.
引文
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(1)甘肃省地矿局第二勘查院.甘肃省肃北县东洞沟一带狼查沟金矿详查报告[R].2014.
[2]邵跃.热液矿床岩石测量(原生晕法)找矿[M].北京:地质出版社,1997.
[3]张新虎,刘建宏,徐家乐,等.再论甘肃省的板块构造[J].甘肃地质,2005(2):1-10.
[4]张新虎,刘建宏,赵彦庆.甘肃省成矿区(带)研究[J].甘肃地质,2008(2):1-8.
[5]王崇云,等.地球化学找矿基础[M].成都地质学院.北京:地质出版社,1987.
[6]贾福聚,高建国,周家喜,等.青海果洛龙洼金矿床地球化学垂向分带研究[J].地质与勘探,2013,49(5):907-913.
[7]李惠,禹斌,李德亮,等.构造叠加晕找盲矿法及找矿效果[J].中国科技成果,2013(8):87-87.
[8]李惠,张国义,高延龙,等.小秦岭金矿集中区深部第二富集带预测的构造叠加晕模型[J].物探与化探,2008,32(5):525-528.
[9]蒙轸,俞胜,金治鹏,等.甘肃肃北贾公台金矿构造叠加晕特征及深部找矿预测[J].地质与勘探,2015,51(4):731-740.
[10]李惠.大型、特大型金矿盲矿预测的原生叠加晕模型[M].北京:冶金工业出版社,1998.
[11]李惠,张国义,禹斌.金矿区深部盲矿预测的构造叠加晕模型及找矿效果[M].北京:地质出版社,2006.
[12]李惠,张文华,刘宝林,等.中国主要类型金矿床的原生晕轴向分带序列研究及其应用准则[J].地质与勘探,1999,35(1):32-35.
[13]李惠,张国义,禹斌,等.构造叠加晕找盲矿法及其在矿山深部找矿效果[J].地学前缘,2010,17(1):287-293.
(1)甘肃省地矿局第二勘查院.甘肃省肃北县东洞沟一带狼查沟金矿详查报告[R].2014.