Olivine composition and reflectance spectroscopy relationship revisited from advanced mgm deconvolution based on synthetic samples.

Abstract

International audienceWe revisit the behavior of the three primary olivine absorptions near 1 m (referred to as M1-1, M2, M1-2) and their interelationships by means of an advanced version of MGM analysis. We build on the previous works carried out [e.g.,1, 2] to document at best the compositional variation of olivine from di-agnostic absorption features across the visible and near-infrared wavelengths due to electronic transitions of Fe2+ in the crystal structure