论文部分内容阅读
本文就控矿岩体——行洛坑花岗岩的岩石学、岩石化学、微量元素和同位素地质特征,阐述和论证该岩体的成矿机制、物质来源及成因类型,为寻找行洛坑式岩控钨矿提供实例. 区域地质背景和岩体特征行洛坑钨矿位于华南钨矿成矿域的东部,闽西北后加里东隆起和闽西南海西-印支拗陷区的过渡带. 区内地层,基底为一套震旦-寒武系的浅变质岩,由巨厚的粉砂岩、钙质硅质泥岩和凝灰质砂岩组成.上覆地层为中、上泥盆统的含砾石英
Based on the petrology, petrochemistry, trace elements and isotopic geological features of the ore-controlling rock mass-Xingluokeng granite, this paper elaborates and demonstrates the metallogenic mechanism, material sources and genetic types of this ore body. Controlled tungsten deposits provide an example of regional geological background and characteristics of rock Xingxingluo tungsten deposit is located in the eastern part of South China tungsten ore mineralization area, northwest after Caledonian uplift and western Fujian Southwest West - Indochina depression transition zone. The strata and basement are a series of Sinian-Cambrian epithermal metamorphic rocks composed of very thick siltstone, calcareous siliceous mudstone and tuffaceous sandstone, and the overlying strata are middle- and upper-Devonian gravelly quartz