赣中大王山石英脉型钨钼多金属矿床成岩成矿年代学及其地质意义

杨庆坤, 张小亮, 华琛, 于玉帅, 周万蓬

Petrogenic and metallogenic geochronology and its geological significance of the Dawangshan quartz vein type scheelite-molybdenite polymetallic deposit in central Jiangxi Province

Qing-Kun YANG, Xiao-Liang ZHANG, Chen HUA, Yu-Shuai YU, Wan-Peng ZHOU

图2 大王山钨钼多金属矿集区赋矿花岗岩及矿石照片 a—赋矿细粒花岗岩侵入到中粒花岗岩中;b—伟晶岩脉;c—早期钨钼多金属矿囊被后期含矿石英脉切割;d—矿囊;e—后期石英晶洞中的硫化矿;f—黄铁矿-黄铜矿-黑钨矿-辉钼矿共生;g,h—黑钨矿-黄铜矿-辉钼矿(反射单偏光);Mlt—黑钨矿;Ccp—黄铜矿;Py—黄铁矿;Mo—辉钼矿

Fig.2 Photos of the granite and W-Mo polymetallic ore samples in Dawangshan tungsten molybdenum polymetallic ore concentration area a—ore-bearing fine-grained granite intrudes into medium-grained granite; b—pegmatitic dikes; c—early tungsten molybdenum polymetallic ore capsule was cut by late quartz veins containing ore; d—pocket; e—sulfide ore in late quartz crystal cave; f—pyrite-chalcopyrite-wolframite-molybdenite symbiosis; g,h—wolframite-chalcopyrite-brightness molybdenum ore (reflection of single polarized light); Mlt—wolframite; Ccp—chalcopyrite; Py—pyrite; Mo—molybdenum