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The shock wave techniques which were first come into use investigated the mid-infrared spectra of shock-loading Jilia meteorite for shock recovery specimen. Through the structural variation of the shocked mineral in Jilin meteorite the chondritic shock metamorphism is studied. The results of the infrared spectra of shock recovery specimen show that the characteristic IR bands of polymorphs, phase transformation and high-pressure phase for both olivine and pyroxene almost were not found at the pressure over 12 GPa. The diaplectic glass occurs at the pressure between 53.0 and 77.5 GPa. The absorption band at 1740 cm~(-1) is assigned to the C = O stretching vibration as a sign of diaplectic glass occurring. The IR of recovery specimen has revealed that the vitreous materials in unshocked Jilin meteorites were primary remainders of meteoritic parent. 相似文献
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冲击载荷吉林陨石的红外光谱研究 总被引：1，自引：0，他引：1
本文首次应用冲击波技术冲击载荷吉林陨石,对回收样品进行中红外光谱研究。通过冲击矿物的结构状态变化,来研究球粒陨石的冲击变质现象。吉林陨石冲击回收样的红外光谱结果表明:冲击压力一直到53.0GPa没有发现橄榄石和辉石的多晶形,相变和高密度相的特征谱带。在53.0 GPa相似文献
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