安徽省祁门—黟县地区水系沉积物地球化学特征及找矿方向

翁望飞, 王德恩, 王邦民, 丁勇, 王拥军

Geochemical characteristics of stream sediments and prospecting direction in Qimen-Yixian area of Anhui Province

Wang-Fei WENG, De-En WANG, Bang-Min WANG, Yong DING, Yong-Jun WANG

图1 祁门—黟县地区大地构造位置[8](a)及区域地质矿产简图(b) 1—新生界;2—侏罗系-白垩系陆相沉积盖层;3—南华系-三叠系海相沉积盖层;4—中-新元古界变质基底;5—燕山晚期花岗岩;6—燕山早-中期花岗岩;7—晋宁晚期花岗岩;8—晋宁早期花岗岩;9—蛇绿岩套(歙县伏川);10—主要断层;11—矿床点(黄色—金矿,绿色—铜矿;蓝色—铅锌矿;紫色—钨矿);12—研究区;F1—江南深断裂;F2—城安-镇头断裂;F3—祁门-三阳断裂;F4—祁门-五城断裂;F5—五城-绩溪断裂;F6—江湾-街口断裂

Fig.1 Geotectonic map[8](a) and regional geological minerals sketch diagram(b) of Qimen-Yixian area 1—Cenozoic strata; 2—continental sedimentary caprock of Jurassic-Cretaceous system; 3—marine sedimentary caprock of Nanhua-Triassic system; 4—metamorphic basement of Meso-Neoproterozoic strata; 5—granite of late Yanshanian period; 6—granite of early-middle Yanshanian period; 7—granite of late Jinning period; 8—granite of early Jinning period; 9—ophiolite suite (Fuchuan village of Shexian county); 10—major faults; 11—deposit points (yellow—gold mine, green—copper mine, blue—lead zinc ore; purple—tungsten ore); 12—research area; F1—Jiangnan fault; F2—Chengan-Zhentou fault; F3—Qimen-Sanyang fault; F4—Qimen-Wucheng fault; F5—Wucheng-Jixi fault; F6—Jiangwan-Jiekou fault