This paper elucidates the historical setting, the geotecto- hie environment, the features of the crustal movement and their relation to mineralization during the formation of the volcano—tectonic.
本文阐述了该火山洼地形成的历史背景、大地构造环境、形成时地壳运动的特点及与成矿作用的关系。
The sedimentary rocks and granite in the region are of very weak or no magnetism, while the boron ore and skarn with close relation to boron mineralization are of quite high content of magnetite.
区内沉积岩和花岗岩磁性微弱或无磁性，与硼矿密切相关的矽卡岩及硼矿石中磁铁矿含量较高。
应用推荐