全州县大西江金矿有利开采地段的选择及探采结合的探索

文章根据广西全州大西江金矿产出的地层层位、构造、围岩蚀变及赋存情况将该金矿划分为石英脉富矿型、破碎带富矿型、石英脉贫矿型、破碎带贫矿型等４种开采类型，并提出运用重砂找矿、剥土、槽探揭露等找矿手段，选择前２种富矿型金矿赋存之ＮＮＥ向规模较大的断裂破碎带附近次级褶皱发育的地段进行开采，以探采结合的方式达到开展地质工作指导地方性采矿的目的。

RESEARCH ON THE CHOICE OF FAVOURABLE MINING SECTIONS AND EXPLORATION-PRODUCTION COMBINATION IN DAXIJIANG GOLD MINE IN QUANZHOU COUNTY

According to the stratigraphic horisons and the structures in which Daxijiang gold deposit occurs in Quanzhou county in Guangxi, as well as the wallrock alteration and the occurrence conditions of this deposit, the author divides the ores of this mine into four mining types( quartz vein rich ore type, shatter zone rich ore type , quartz vein poor ore type and shatter zone poor ore type), and puts forward to use heavy sand, overburden removing and exploratary trench etc. prospecting methods to explore, so as to choose to mine the sections where many secondary folds are close to larger scale fault shattered zone of NNE strike, in which the abovementioned two rich gold ores occur, then through the way of exploration-production combination to achieve the goal of developing geological work and guiding local mining.