Abstract
Information about the variability, and spatial distribution of iron abundance is important to understand lunar geological history and for future resource utilization. In this paper we present a preliminary model to produce an iron abundance map using images taken by an Imaging Interferometer on board the satellite Chang’E-1. Compared with the Clementine UVVIS images, the images from the Chang’E-1 satellite also allowed for the extraction of FeO abundance distributions on the Moon. However, the preliminary model results suggest an underestimation of ∼2 wt.% for the FeO content of the mare region and an overestimation of ∼3 wt.% for the highland region.
Highlights
Information about the variability, and spatial distribution of iron abundance is important to understand lunar geological history and for future resource utilization
Information about the variability and spatial distribution of iron abundance is important to understand the petrogenesis of lunar rocks and the nature and origin of the Moon [3]
We present the preliminary results and produce an iron abundance map using the data from Chang’E-1 Imaging Interferometer (IIM)
Summary
The IIM aboard the Chang’E-1 lunar probe was a Fourier transform Sagnac imaging spectrometer. Interferogram sampling mode truncation sampling (default) and interval sampling the reflectance at 0.75 μm and the ratio of the reflectances at 0.95 μm and 0.75 μm They found that the spectra of the obtained lunar samples (as well as from the Apollo and Luna sampling sites) had similar FeO compositions but varying maturity resulted in linear trends on a plot of NIR/Vis ratio versus the Vis reflectance. This trend is related to the FeO content and maturity. The data used in this work is level 2C after the above-mentioned calibrations
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