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揭示铀矿床各种蚀变类型的光谱特征是最佳铀矿勘查遥感谱段选择的前提,是利用成像光谱技术进行铀矿蚀变带遥感填图的基础。文章以201铀矿床为例对花岗岩型铀矿床水云母化(实际为伊利石化)的光谱特征进行研究,提取水云母单矿物的诊断性光谱特征,对其主要吸收峰的成因进行分析,发现此水云母化的光谱特征与国外光谱库公布的伊利石的光谱特征具有显著区别。
Revealing the spectral characteristics of various alteration types of uranium deposits is the prerequisite for the selection of the best remote sensing spectrum for uranium exploration and the basis of remote sensing mapping of uranium alteration belt by using imaging spectroscopy. Taking the 201 uranium deposit as an example, the spectral characteristics of the hydrous mica (actually Erie Petrochemical) granitoid uranium deposit were studied. The diagnostic spectroscopic characteristics of single hydrous mica mineral were extracted and the main absorption peaks were analyzed. The spectroscopic characteristics of water mica are significantly different from the spectra of illite exposed by foreign spectral libraries.