CAJ | 학술논문

广西波塘地区的稀土矿为我国南方花岗岩风化壳离子吸附型稀土矿床，成矿母岩为华力西期，印支期的黑云母花岗岩岩类，原岩稀土含量211×10-6~354×10-6。笔者主要介绍了波塘矿床的基本特征、稀土元素配分，认为有利的成矿母岩是稀土含量>200×10-6的黑云母花岗岩类。广泛分布的黑云母花岗岩类，有利于风化壳形成保留的温暖潮湿气候条件，丘陵浅山的地理环境是华南花岗岩风化壳离子吸附型稀土矿成矿的主要条件。
엄서파당지구적희토광위아국남방화강암풍화각리자흡부형희토광상，성광모암위화력서기，인지기적흑운모화강암암류，원암희토함량211×10-6~354×10-6。필자주요개소료파당광상적기본특정、희토원소배분，인위유리적성광모암시희토함량>200×10-6적흑운모화강암류。엄범분포적흑운모화강암류，유리우풍화각형성보류적온난조습기후조건，구릉천산적지리배경시화남화강암풍화각리자흡부형희토광성광적주요조건。
REE deposits in Botang area of Cenxi are ion-adsorption type REE deposits in weathered crust of granite in South China,and the mother rock is Variscan-Indosinian biotite granite rocks,with rare earth con-tent in protolith of 21 1×10 -6 ~354×10 -6 .This paper introduced the basic characteristics and REE assemblage of Botang deposits,and it believed that the favorable mother rock is biotite granite rocks with REE content of above 200ppm.The widely distributed biotite creates a favorable warm and humid climate condition for the forming of weathered crust,and the environment of shallow hills is the prevailing condition of ore-form-ing of ion-adsorption type REE deposits in weathered crust of granite in South China.