CRISM image: phyllosilicates in Tyrrhena Terra

This image shows spectral signatures of hydrated silicate minerals in Tyrrhena Terra, a heavily-cratered region about 2,300 kilometers (1,430 miles) across, comparable to the length of Australia‚Äôs Great Barrier Reef. Clay-like minerals called phyllosilicates, which in this region are rich in iron and magnesium, appear in pink and are… [More at link]

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