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对中国东部新生代玄武岩中橄榄岩包体和巨晶矿物的激光探针氧同位素分析结果表明,大多数矿物的σ~(18)O值与世界范围值一致,单斜辉石-橄榄石和斜方辉石-橄榄石矿物对的氧同位素测温给出了与阳离子配分温室计一致的温变。显然,中国东部大陆岩石圈地幔处于封闭体系条件下的氧同位素平衡状态。
The results of laser probe oxygen isotope analysis of peridotite inclusions and megacrysts of the Cenozoic basalts in eastern China show that the σ 18 O values of most minerals are in agreement with those of the world scope and that of clinopyroxene and olivine and Oxygen isotope temperature measurement of olivine mineral pairs gives the same temperature change as that of cation fractionation greenhouse. Obviously, the lithospheric mantle of the eastern mainland of China is in a state of closed system oxygen isotope equilibrium.