期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
Laterites-bearing REEs,Wadi Natash,Southeastern Desert,Egypt 被引量:3
1
作者 Mohamed El-Ahmady Ibrahim 《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第3期471-476,共6页
The present paper recorded the occurrence of laterites-bearing REEs in Natash area.Natash laterite deposits occur as horizons(5-15 m in thickness) at the boundary between the Cretaceous sandstones,and Natash flows.Lat... The present paper recorded the occurrence of laterites-bearing REEs in Natash area.Natash laterite deposits occur as horizons(5-15 m in thickness) at the boundary between the Cretaceous sandstones,and Natash flows.Laterite was recorded in more than twenty six occurrence distributed over an area of about 500 km2 along and around Wadi Natash.It ranges in color from light-grey,dark-grey to reddish-brown.The distribution of laterite deposits is structural controlled.Mineralogical results of laterites proved the... 展开更多
关键词 natash flows LATERITES clay minerals REES
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部