遵义川主庙漏斗状铝土矿床地质特征及形成机理
Guizhou Geology(2009)
Abstract
遵义川主庙铝土矿产于下石炭统九架炉组的中上部,以矿体形态呈漏斗状和"小而富"为其主要特征。研究表明,铝土矿的赋存富集受古岩溶漏斗和沉积环境的制约,基底页岩是形成铁铝质风化壳的母岩,矿床是在经过长期风化剥蚀的早古生代碳酸盐岩侵蚀面上发育起来的,即在有利的古构造、古地理和古气候条件下,首先经过红土化,后经搬运再沉积而形成的。矿床成因类型划为古风化壳型异地堆积铝土矿床,其成矿时代归属早石炭世大塘期旧司时。
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Key words
bauxite deposit,Chuanzhumiao Zunyi,formation mechanism,geological character,Guizhou
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