河南申家沟铝土矿化学元素分布及特征研究

Studing on distribution and characteristics of chemical elements of Shenjiagou bauxite in Dengfeng City,Henan

申家沟铝土矿位于河南省嵩箕铝(粘)土矿成矿区内。通过对申家沟铝土矿层典型剖面样品进行全岩测试分析,对各个单元层样品的常量、微量、稀土元素的地球化学特征进行研究,认为申家沟铝土矿具有低铝、高硅、含铁的特点,含铝岩层中轻稀土元素相对富集,申家沟铝土矿成矿物质来源为本溪组底板碳酸盐岩。

Shenjiagou bauxite horizon is located in Song-Qi bauxite（ clay） mineragenetic area in Henan Province. By assaying the samples sampled from the typical profile of Shenjiagou bauxite horizon with the whole rock analysis method and studying the geochemical characteristics of the major elements,trace elements and rare earth elements in each cell layer,this paper considers that Shenjiagou bauxite is characterized by low aluminum,high silicon and containing iron,the content of light rare earth elements is relatively high in aluminum-bearing layer,and the ore-forming material source of Shenjiagou bauxite is the carbonate developed at the floor of Benxi Formation.