ISOTOPIC GEOCHEMICAL DATA ON THE NATURE AND AGE OF THE ENDOGENEOUS CARBONATE ROCKS OF ZABAIKALYE

被引:0
|
作者
BULNAYEV, KB
POSOKHOV, VF
机构
来源
GEOKHIMIYA | 1995年 / 02期
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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
The carbonatitic origin of ore bearing endogeneous carbonate rocks was established by use of the isotopic studies and geological materials. These rocks could be correlated with the carbonatites of the ''linear'' type. Strontium isotopic composition studies indicated that these rocks could be formed as a product of mantle fluid substitution of crustal matter. Rb-Sr isochrone age of carbonatites was first carried out and assumption of possible association of carbonatites with alkaline basic rocks was advanced.
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页码:189 / 196
页数:8
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