流体不混溶性和流体包裹体
Fluids immiscibility and fluid inclusions
查看参考文献33篇
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文摘
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大多数流体包裹体是捕获于均匀体系,但有一部分包裹体捕获自非均匀体系(不混溶体系)。在自然界存在着许多不混溶的过程,这包括基性岩浆和酸性岩浆之间,岩浆与热液,岩浆与CO2,盐水溶液与CO2等。液体的不混溶性对于成矿作用十分重要,这方面有3个典型的例子,第一个是金矿的成矿作用与NaCl-H2O-CO2体系流体的不混溶有着重大的关系;第二个例子是斑岩铜矿;第三个例子是伟晶岩,发现在伟晶岩演化和成矿作用中存在着岩浆和热液的不混溶作用。实际上不混溶的大部分证据是从流体包裹体的研究中获得的。现在的问题是如何来确定哪些包裹体是从不混溶过程中捕获的。这种捕获于不混溶过程中的流体包裹体怎么来确定他的Th和成分。这种捕获于不混溶过程中的流体包裹体怎么与“卡脖子”“拉伸作用”中捕获的包裹体和捕获自均匀体系的流体包裹体相区分。 |
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其他语种文摘
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Most fluid inclusion trapped from a homogeneous fluid but somemay trapped from a heterogeneous fluids (immiscibility process)·In the nature,there are a lot of immiscible processes and systems,including immiscibility between basic magma and felsic magma,magma and hydrothermal fluids; magma and CO2fluid; saline fluids and CO2fluid etc·The fluid inclusions trapped from homogeneous and heterogeneous processes are with different characteristics and in somewhat is not easy to be distinguished·The immiscibility process is an importantprocess ofmineralization·Especially in the gold deposition,pegmatite formation and porphyryCuMo system· |
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来源
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岩石学报
,2011,27(5):1253-1261 【核心库】
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关键词
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流体不混溶
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流体包裹体
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花岗岩
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伟晶岩
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岩浆
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地址
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中国科学院地球化学研究所, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-0569 |
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学科
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地质学 |
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基金
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国土资源部深部探测技术与实验研究专项
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文献收藏号
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CSCD:4225491
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