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在毛主席无产阶级革命路线的指引下,在党的建设社会主义总路线的光辉照耀下,近几年我队区域地质调查和矿产普查工作取得很大的成绩。笔者在野外生产中遇到了一些不太常见的矿物,并在实践中逐步加深了对它们的认识。现在试谈些粗浅看法,和广大野外工作同志共同商讨。 (一)玫瑰色砷酸钙石(CaCoMg)_3 (AsO_4)_2·2H_2O的确定甘肃龙首山含铜石英脉穿插于震旦系灰岩夹紫色页岩地层中。脉体矿物组合除浅灰白色石英外,还有半透明的白色方解石、自然锕、赤铜矿、斑铜矿、辉铜矿及孔雀石
Under the guidance of Chairman Mao’s proletarian revolutionary line and under the brilliant shining of the party’s general line of building socialism, great achievements have been made in the field of regional geological investigations and mineral census work of our team in recent years. I encountered in the field of production of some less common minerals, and in practice gradually deepened their understanding. Now let us talk about some superficial opinions and discuss with the vast number of field work comrades. (A) Determination of rosy arsenate (CaCoMg) _3 (AsO_4) _2 · 2H_2O Longtoushan, Gansu, including quartz vein plugged in Sinian limestone folder purple shale formation. Veins mineral combination of light gray white quartz, as well as translucent white calcite, natural actinium, red copper, berylite, chalcocite and malachite