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Maimine金矿区位于东非大裂谷北段的尼罗河深断裂东部厄立特里亚Nakfa地体西段南部,它由钙碱性的火山岩和火山碎屑岩及上覆的变沉积岩的绿泥石片岩、粗粒砂岩和复合碎屑砾岩以及偶尔的泥质绢云母片岩和碳酸岩层序组成。1.矿区地质特征区内主要出露由变质凝灰岩和钠长绿泥片岩组成的一套前寒武纪地层。主要构造线呈北10°-40°东方向,向南东倾斜,倾角为50°-75°,其次尚有西310°-350°北及近东西向两组。
The Maimine gold deposit is located in the southern part of the western part of Nakfa, Eritrea, east of the deep Nile fault in the northern section of the Great Rift of the Eastern Cape. It consists of calc-alkaline volcanic and volcaniclastic rocks and overlying metasedimentary chlorite schist, Sandstone and composite detritus conglomerate and, occasionally, muddy sericite schists and carbonate sequences. 1. Geological characteristics of the mining area Mainly exposed by the metamorphic tuff and alluvial schist composed of a set of Precambrian strata. The main tectonic line lies in the north of 10 ° -40 ° to the east, with a southeasterly dip to an angle of 50 ° -75 °, followed by a north 310 ° to 350 ° west and a near east-west two sets.