Chaojun Fan

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Introduction: The gray crystalline hematite on Mars was detected in three regions, Sinus Meridiani, Aram Chaos and Valles Marineris by the thermal emission spectrometer (TES) onboard the Mars Global Surveyor (MGS) orbiter [e.g.1, 2]. The Mars Exploration Rover (MER) Opportunity confirmed that hematite-rich spherules (~ 4.2 mm) are embedded in sulfur-rich(More)
Hyperspectral imaging is broadly used in the identification of hydroxylated and hydrated silicate minerals, especially at the wavelengths of 1.0–2.50 μm. The vibrations of the hydroxyl (OH) molecule, water molecule (H-O-H), and metal-OH bonds, or their combinations, produce prominent absorption features at ∼1.40, ∼1.91 and(More)
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