广东乐昌禾尚田钨锡矿床外围及深部成矿预测

Peripheral and Deep Metallogenic Prediction of the Heshangtian Wu-Sn Deposit in Lechang County,Guangdong Province

广东乐昌禾尚田钨锡矿床是近年来新发现的大型—超大型矿床。基于区域地质背景、矿床地质特征、物化探异常特征、储量估算成果等地质资料,建立了矿区外围及深部成矿预测模型。基于该模型对矿区外围和深部进行了成矿预测,结果表明:1禾尚田钨锡矿外围及深部找矿潜力较大,资源量有望增加1倍;2中—低温石英脉型钨锡矿床为该矿外围找矿的主攻矿床类型,矽卡岩型钨矿则为其深部找矿的主攻矿床类型;3雪马田东南段可作为区内下一步勘查找矿的重点。

Heshangtian Wu-Sn deposit in Lechang county,Guangdong province is a large-supper-large deposit that is found in recent years.Based on the regional geological background,ore deposit geo-logical characteristics,geophysical-geochemical anomaly characteristics and reserve estimation results,the peripheral and deep metallogenic prediction model of the Heshangtian Wu-Sn deposit is established. Based on the prediction model,the peripheral and deep metallogenic prediction is conducted.The results show that:①the prospecting potential of the peripheral and deep of Heshangtian Wu-Sn mining area is large,the reserves is expected to double;②the middle-low temperature quartz vein-type W-Sn deposit is the main deposit types of the peripheral prospecting of Heshangtian Wu-Sn deposit,the skarn type of tung-sten deposit is the deep prospecting of Heshangtian Wu-Sn deposit;③the southern section of Xuematian ore block is the focus of the further exploration prospecting in Heshangtian Wu-Sn mining area.