玻利维亚拉巴斯省查卡利亚铜矿地质特征及成因初探

Geological characteristics and genesis of Chacarillacopper deposit in La Paz,Bolivia

玻利维亚属于环太平洋成矿域,受南美洲安第斯造山运动和成矿作用影响,在阿尔蒂普拉诺盆地中形成了众多砂岩型铜矿床及与热液成矿作用有关的铜多金属矿床。本文在分析矿区地质特征、矿床地质特征的基础上,对矿床成因进行初步探讨,以期为该地区砂岩型铜矿找矿工作提供些许启示。

Bolivia belongs to the Circum-Pacific metallogenic belt.Influenced by the Andean orogeny and mineralization in South America,numerous sandstone-type copper deposits and copper-polymetallic deposits related to hydrothermal mineralization have been formed in the Altiplano Basin.Based on the analysis of the geological characteristics of the mining area and the geological characteristics of the ore deposit,this paper conducts a preliminary discussion on the genesis of the ore deposit,in order to provide some inspiration for the prospecting work in this area.