Effect of Immiscibility in Fluid-Bearing Basaltic Melts at High Pressures (Based on Experimental Data)

N. S. Gorbachev; A. V. Kostyuk; M. P. Novikov

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Effect of Immiscibility in Fluid-Bearing Basaltic Melts at High Pressures (Based on Experimental Data)

机译：高压下含流体的玄武岩熔体的不混溶性影响（基于实验数据）

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The effect of immiscibility induced by the dissolution of volatile components in magmas pertains to the controversial and insufficiently studied problems concerning the interaction between volatile components and magmas. At the same time, it is known that such an effect is among the most important mechanisms of magmatic fractionation and ore formation. In this work, we present the results of an experimental study into the melting of sulfide-bearing tholeiitic and olivine basalts and picrobasalt in the presence of hydrous, hydrous-carbonate, and alkali hydrous-carbonate fluids within a temperature range of 1250-1300℃ and under a pressure of 1.1-2.5 GPa. These results characterize conditions of various types of immiscibility in fluid-bearing silicate melts.

机译：挥发性成分在岩浆中的溶解所引起的不混溶性的影响，是关于挥发性成分与岩浆之间相互作用的有争议且研究不足的问题。同时，已知这种作用是岩浆分级和矿石形成的最重要机制之一。在这项工作中，我们提供了在温度为1250至1300℃的含水，含水碳酸盐和碱性含水碳酸盐流体存在下熔融含硫化物的高沸石，橄榄石玄武岩和微玄武岩的实验研究结果。压力为1.1-2.5 GPa。这些结果表征了在含流体的硅酸盐熔体中各种类型的不混溶的条件。

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《Doklady Earth Sciences》 |2005年第9期|p.1342-1346|共5页
作者
N. S. Gorbachev; A. V. Kostyuk; M. P. Novikov;
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作者单位

Institute of Experimental Mineralogy, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia;

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正文语种 eng
中图分类天文学、地球科学;
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Effect of Immiscibility in Fluid-Bearing Basaltic Melts at High Pressures (Based on Experimental Data)

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