论氢化物是成矿的重要迁移形式
Study on Hydrides as Significant Transferring Forms of Mineral Formation
  
DOI:
中文关键词:  迁移形式 成矿 地球 氧逸度 类地行星 地质事件 矿物岩石 氢化物 纳米固体 单质
英文关键词:Elementary hydride,Alloy hydride,Transferring form,Mineral formation mechanism
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作者单位
郑大中,郑若锋 成都综合岩矿测试中心,四川,成都,610081 
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中文摘要:
      通过对氢与化学元素起源的相关性,一些类地行星大气含氢及氢化物,单质及合金氢化物的形成条件和理化性质的讨论,结合现代火山、温泉气体组成,矿物岩石流体包裹体化学成分,认为在地球深部高压富氢强还原性环境,含有单质及合金氢化物。这些氢化物较对应的单质、合金的熔点、沸点低许多,具有高扩散性、高化学活性、易碎性,可形成具个性差异的氢化物气体、液体和纳米固体氢化物粒子,并能在多次地质事件中反复迁移,直至地球浅部。由于压力、温度骤降,氧逸度剧增,酸碱度发生变化,上述氢化物分解、水解、氧化、硫化沉淀富集形成各种矿床。
英文摘要:
      Based on the discussion of the relativity of hydrogen and the origin of chemical elements, and the forming conditions and physical-chemical properties of the hydrogen, hydrides, and alloy hydrides from the atmospheres of some quasi-earth planets, and in view of the gaseous compositions of modern volcanoes, hot springs and mineral fluid wrappages, the authors deem that in the hyperbaric hydrogen-rich and highly reductive environment of the deep inner earth, lied elementary hydrides and alloy hydrides. Such hydrides have much lower melting and boiling points then their corresponding elementary substances and alloys, with highly diffusive, reactive and fragile properties. Moreover, they can transform into much distinctive gaseous hydrides, liquid hydrides and nano-hydride particles, which can undergo extensive transfer during repetitious geological events, till they reach the outer parts of the earth. As temperature and pressure sharply drop, oxidization speed multiplies, and the acidity or alkalinity changes, the hydrides decompose, hydrolyze, oxidize, sulfurize, settle down and enrich into various mineral deposits.
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