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一、前言本区在大地构造单元上位于康滇地轴的东部边缘、为沉积-变质的似层状铜矿床;其含矿地层为元古界昆阳群中的浅变质岩系.本矿段是矿区内勘探时间最早、勘探网度最密、勘探程度最深的地段.矿段之南毗邻一火成岩体,矿段之北以一地表河流为界,全长1200米.最高露头750米以下已勘探清楚.本矿段地层自下而上为紫色层-过渡层-白云岩等一套海进序列的岩石组合,矿体即赋存在过渡层的灰色、黄灰色薄至中厚层含泥粉砂质白云岩中.该矿段由于氧化
I. Preface This area is located on the eastern margin of the Kangdi-Dian axis in the tectonic unit, which is a sedimentary-metamorphic stratiform copper deposit. Its ore-bearing strata are the shallow metamorphic rocks in the Proterozoic Kunyang Group. The segment is the earliest exploration time in the mining area, the most dense exploration network, the most exploration depth section of the mine adjacent to a igneous rock body, the northern section of the mine to a surface river, a total length of 1200 meters. The highest outcrop 750 meters below Has been explored.From the bottom of the strata in this section of the purple layer - transitional layer - dolomite and other a series of marine sequence of marine assemblage, ore that is deposited in the transitional layer of gray, yellowish gray thin to medium-thick mud Silty dolomite, which is oxidized