PARTITIONING OF RARE-EARTH ELEMENTS BETWEEN PHOSPHATE-RICH CARBONATITE MELTS AND MANTLE PERIDOTITES

被引:19
|
作者
RYABCHIKOV, ID [1 ]
ORLOVA, GP [1 ]
SENIN, VG [1 ]
TRUBKIN, NV [1 ]
机构
[1] VI VERNADSKY GEOCHEM & ANALYT CHEM INST,MOSCOW,RUSSIA
关键词
D O I
10.1007/BF01162922
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
Near solidus equilibria in the system mantle peridotite-carbonate-phosphate doped with Ce and Yb have been studied at 20 kbar and 950-degrees-C. Carbonatitic melts in this system may be quenched into homogeneous glasses. Such melts intensely extract REE from rock-forming mantle minerals, and their migration may cause processes of mantle metasomatism.
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页码:1 / 12
页数:12
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