褐粘土
- 网络brown clay
褐粘土-
上海浅层褐黄色粉质粘土剪切带形成的试验研究
Study of test on the formation of shear bands in Shanghai yellowish dark brown silty clay
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前言：本文围绕与微细浸染型金矿有关的硅化、褐铁矿化、粘土矿化、碳酸盐化等蚀变标志，在黔桂地区进行了相关的地球化学和光谱信息研究。
This paper studies the geochemical and spectral information on the " silification " . " lemonitization " . " clayization " . and " carbonatization " related to finedesseminated-type gold deposits in Qian Gui area .