间接推断 初生水的氢、氧同位素组成为:δ 18 O=+6±1‰,δ D=-60±20‰(Ohmoto, 1986) 岩浆水(Magmatic water)是指与岩浆达到平衡的水。一般认为,岩浆水的氢、氧同位 素组成为:δ 18 O=6‰~10‰,δD=-50‰~-80‰。
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Metallogenic fluid stemmed from magmatic water and mixed with seawater.
成矿流体来源于岩浆水,并有海水混入。
The other is mixture of Mesozoic meteoric water and initial magmatic water.
另一类为中生代大气降水与原始岩浆水的混合。
The isotopic composition of oxygen shows that the origin of the ore forming solution was turn from magmatic water in early stage to circulated meteoric water in later stage.
通过氧同位素研究证明了成矿溶液的来源由早期岩浆水转变为晚期大气降水;
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