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Laterites-bearing REEs,Wadi Natash,Southeastern Desert,Egypt 被引量:2

Laterites-bearing REEs,Wadi Natash,Southeastern Desert,Egypt
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摘要 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... 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...
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第3期471-476,共6页 稀土学报(英文版)
关键词 Natash flows LATERITES clay minerals REES Natash flows laterites clay minerals REEs
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