内蒙古达茂旗哈力齐矿区含金石英脉特征及金矿找矿标志

Auriferous quartz vein features and prospecting criteria of gold ore of Haliqi mining area in Damao Banner, Inner Mongolia

内蒙古达茂旗哈力齐地区金矿的主要类型是石英脉型,本区存在两种空间分布、形态、产状截然不同的石英脉。本文作者阐述了含金石英脉的特征,尤其是含金石英脉标型特征;同时得出结论:本区含金石英脉,分布于奥陶纪中酸性岩浆岩带附近,走向为近东西向,且地表表现为呈浅灰—灰白色、透明度低、网格状破裂、裂隙中有大量黄色、褐色次生矿物的石英脉可作为本区石英脉型金矿的找矿指示标志。

In Damao Banner Haliqi area of Inner Mongolia, main types of gold ore is quartz vein type, there are two kinds of quartz veins, which have different spatial distribution, morphology and occurrence. In this paper, the author expounds the features of auriferous quartz veins, especially the typomorphic characteristics;at the same time, draw the conclusion：In this district, auriferous quartz veins located near the Ordovician intermediate-acid magmatite belt, nearly EW, and surface showed grayish - hoary, low transparency, grid rupture. Quartz vein with plenty of yellow, brown secondary minerals in the fracture, can be used as prospecting indicator of quartz vein type gold ore.