Infrared Spectra of Trioctahedral Chlorites in Relation to Chemical Composition
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概要
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Infrared absorption spectra in the 4000-400 cm^<-1> range of natural trioctahedral chlorites of the Mg-Fe series (orthochlorites) are presented with some discussions on the relationship to chemical composition. The octahedral composition can be estimated by the natures of the bands at 3680-3615 cm^<-1>, in the 700-600 cm^<-1> range, and at 470-4l0 cm^<-1>. The bands in the 3620-3400 cm^<-1> range, in the 1100-900 cm^<-1> range, and at about 750 cm^<-1> give approximate tetrahedral composition. A composition determinative graph has been prepared. In addition, the infrared method is shown to be useful occasionally for identification of mixtures of chlorites having different compositions.
- 日本粘土学会の論文
著者
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Shirozu H
Department Of Geology Faculty Of Science Kyushu University
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Shirozu Haruo
Department Of Geology Kyushu University
関連論文
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- X-RAY EXAMINATION OF SERICITE MINERALS ASSOCIATED WITH THE KUROKO DEPOSITS
- VARIATIONS OF DTA AND TG CURVES FOR MG-CHLORITES
- Infrared Spectra of Trioctahedral Chlorites in Relation to Chemical Composition