本文選題：電導(dǎo)率 + 高溫高壓實(shí)驗(yàn)　； 參考：《中國(guó)科學(xué):地球科學(xué)》2016年03期

【摘要】：含水礦物是地殼、地幔,尤其是俯沖帶內(nèi)的重要礦物.高溫高壓下殼幔含水礦物電導(dǎo)率實(shí)驗(yàn)研究是一個(gè)相對(duì)較新的研究方向.隨著實(shí)驗(yàn)技術(shù)的不斷進(jìn)步,很多高壓相含水硅酸巖礦物的電導(dǎo)率測(cè)定工作得以開展,在有效控制溫度、壓強(qiáng)和氧逸度等條件下,含水礦物的電導(dǎo)率實(shí)驗(yàn)數(shù)據(jù)可以對(duì)地球內(nèi)部水的分布提供制約.本文介紹了已有的蛇紋石、滑石、水鎂石、phase A、super hydrous phase B、phase D含水礦物在高溫高壓下的電導(dǎo)率實(shí)驗(yàn)研究,對(duì)各含水礦物電導(dǎo)率數(shù)據(jù)的有效性進(jìn)行了分析,并重點(diǎn)介紹了電導(dǎo)率測(cè)試含水礦物脫水對(duì)全巖電導(dǎo)率的影響以及壓強(qiáng)對(duì)含水礦物電導(dǎo)率的影響.在已有數(shù)據(jù)的基礎(chǔ)上,對(duì)含水礦物的導(dǎo)電機(jī)制以及俯沖帶的電結(jié)構(gòu)進(jìn)行了探討.最后對(duì)今后的研究前景及潛在的研究領(lǐng)域進(jìn)行了展望.
[Abstract]:Water-bearing minerals are important minerals in the crust and mantle, especially in subduction zones. Experimental study on conductivity of water-bearing minerals in crust and mantle under high temperature and pressure is a relatively new research direction. With the development of experimental technology, the determination of electrical conductivity of many high-pressure water-bearing silicate minerals has been carried out. Under the conditions of effectively controlling temperature, pressure and oxygen fugacity, The experimental data of conductivity of water-bearing minerals can restrict the distribution of water in the earth's interior. In this paper, the electrical conductivity of phase A super hydrous phase Bu phase D minerals of serpentine, talc and brucite at high temperature and high pressure are studied. The validity of conductivity data of these minerals is analyzed. The effect of dehydration of water-bearing minerals on the conductivity of the whole rock and the effect of pressure on the conductivity of water-bearing minerals are introduced emphatically. Based on the available data, the electrical conduction mechanism of water-bearing minerals and the electrical structure of subduction zones are discussed. Finally, the future research prospect and potential research field are prospected.
【作者單位】： 中國(guó)地質(zhì)大學(xué)地質(zhì)過(guò)程與礦產(chǎn)資源國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(批準(zhǔn)號(hào):41590623,41472040) 中央高�；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)項(xiàng)目(編號(hào):CUGL150801) 地質(zhì)過(guò)程與礦產(chǎn)資源國(guó)家重點(diǎn)實(shí)驗(yàn)室自主研究課題(編號(hào):MSFGPMR201408)資助
【分類號(hào)】：P542.5

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