Infrared reflectance spectra (4–12 µm) of typical lunar samples

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Abstract

A laboratory study of the mid-infrared spectral reflectance properties of typical Apollo lunar rock and soil samples was conducted using a modern interferometric spectrometer. The results show that characteristic spectral features exist in the 4–12 micrometer range that are diagnostic of rock composition and mineralogy, especially for the plagioclase-rich rocks and soils. This is the first phase of a comprehensive infrared reflectance study underway to better understand the use of infrared emission spectroscopy for mapping the surface composition of the Moon and other silicate bodies.

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