大兴安岭北段南木火山盆地铀成矿地质条件及找矿前景分析

南木火山盆地位于大兴安岭中北段，处于大兴安岭林西-扎兰屯多金属成矿带上。对其基底、盖层、构造和铀矿化等方面的调查分析显示，该盆地基底盖层铀含量较高，构造发育，有利于铀活化、迁移和富集，同时，地表铀矿化显示良好，规模较大.综上认为该盆地具备了火山岩型铀成矿的地质构造环境，成矿地质条件良好，具有良好的铀找矿前景.

METALLOGENIC CONDITIONS AND PROSPECTING POTENTIAL OF URANIUM IN NANMU VOLCANIC BASIN,NORTH SECTION OF DAXINGANLING MOUNTAINS

The Nanmu volcanic basin is located on the Linxi-Zhalantun polymetallic metallogenic belt in the middle-north section of Daxinganling Mountains. The investigation on its basement and caprock shows high uranium content with developed structures, which is favorable for the mobilization, migration and enrichment of uranium. The uranium mineralization on the surface is also good with large scale. From the above, it is concluded that the basin has the geological tectonic environment for volcanic uranium mineralization with good metallogenic conditions and prospecting potential.