摘要
龙王江锑金矿位于湘西雪峰山NE向弧形剪切构造带与湘中白马山—龙山EW向构造岩浆岩带的复合部位,为赋存于前寒武系浅变质岩系中的剪切带型锑金矿。在分析湘西龙王江锑金矿地质特征的基础上,通过对矿区及外围280km2进行1∶50 000水系沉积物测量,发现所圈定的10余处具有一定规模的Au-Sb-As元素综合异常,除有与已知矿床(点)相吻合的异常外,还有多处具进一步找矿潜力的新异常。其中,南江坪综合异常经控制性钻探验证,见矿情况与化探推断意见完全一致,预测该异常金资源量达5t以上,表明矿区及外围类似的综合异常找矿前景良好。因此,该区及类似地区在化探工作中关注Au元素异常的同时,加强对Au-Sb-As综合异常的研究将有助于寻找金矿或锑金矿。
Longwangjiang Sb-Au deposit lies at the overprint of NE Xuefengshan arclike shear zone in west Hunan and EW Bainashan-longshan tectonomagmatic zone in central Hunnan. It is a shear zone type deposit located in low grade Precambrian metamorphic rock sequence. Based on analysis of geological characteristics of Longwangjiang Sb-Au deposit river sediment survey at scale 1 ： 50 000 is conducted cov- ering 280 km2 in surrounding of the deposit. More than 10 Au,Sb,As integrated anomlies in certain size are located. Among the anomlies some are perfectly coincided with the known ore occurrences. Others are also potential and Nanjiangping integrated anomy is the best one on which test drill holes have been bored with ore encountered. The ore encountered is well coincided with the geochemical inferrence. About 5 t of gold mineral resource is predicted for the anomaly thus surroundings of Longwangjiang Sb-Au deposit is potential {or further exploration and attention should not be only paid to Au anomaly but also to the inte- grated anomaly.
出处
《地质找矿论丛》
CAS
CSCD
2012年第2期233-237,共5页
Contributions to Geology and Mineral Resources Research
关键词
龙王江锑金矿
剪切带型金矿
化探综合异常
应用效果
找矿意义
湘西地区
Longwangjiang Sb-Au deposit
shear type Sb-Au deposit
integrated anamoly
application re-sult
expiration significance
western Hunan province
