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中文摘要：
海南火山岩的物质组成和物理化学性能是评价其质量、物理化学活性和预测工业应用状况的重要依据。为了确认工业应用前景和进行合理开发利用,本文利用TG-DSC、XRD、SEM及化学全分析等分析方法对海南火山岩样品进行了高温特性、物相组成、微区形貌以及化学成分等分析。结果表明,样品具有良好的理化性能。通过化学成分分析表明,SiO2是火山岩中最重要的一种氧化物,Al2O3是火山岩中含量较次之的氧化物成分。通过XRD和SEM观察,样品主要矿物有单斜辉石和钙长石,其次有角闪石、橄榄石、黑云母、石英等。基质由杂乱排列的长柱状自形斜长石晶体组成。具有间粒间隐结构、间粒交织结构和少斑结构。
英文摘要：
Material composition and physicochemical performance of volcanic rock in Hainan were important basis to evaluate its quality,physicochemical activity and predicted its status of industrial applications.In this paper,analysis methods such as TG,XRD,SEM and chemical analysis were used to analyze high-temperature properties,phase composition,micro-morphology and chemical composition of the samples of volcanic rocks in Hainan.The results showed that the sample has good physical and chemical properties.The chemical composition analysis showed that SiO2 is the most important type of volcanic oxide in volcanic rocks,and Al2O3 is followed by SiO2.The sample was observed by XRD and SEM and found that the main crystalline phases were clinopyroxene and anorthite,which followed by hornblende,olivine,biotite and quartz.Matrix is a framework,which constituted by disordered arrange of long prismatic plagioclase crystals.The matrix has hidden structure between the intergranular,interwoven structure between the intergranular,and less plaque structure.
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