Infrared reflectance spectra (2.2–15 μm) of plagioclase feldspars

Douglas B. Nash, John W. Salisbury

doi:10.1029/91gl01008

Infrared reflectance spectra (2.2–15 μm) of plagioclase feldspars

DOI Web Site Web Site 被引用文献2件

書誌事項

公開日: 1991-06

権利情報

http://onlinelibrary.wiley.com/termsAndConditions#vor

DOI

10.1029/91gl01008

公開者: American Geophysical Union (AGU)

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説明

<jats:p>Laboratory results show that (1) the Christiansen frequency (CF) feature in mid‐infrared reflectance spectra of powders can be used to accurately distinguish plagioclase composition, and (2) the wavelength position of the CF is not affected by vitrification of the plagioclase. Although the CF position does not distinguish glass from crystalline forms of plagioclase, other features (combination‐tone, overtone, restrahlen bands) in the mid‐IR spectra of plagioclase can be used for that purpose. These results have important implications for application of thermal emission spectroscopy to mapping the surface composition of regolith‐covered planetary bodies like the Moon, Mars, and asteroids.</jats:p>