Rocks loafing about on the surface of Mars have been harboring secrets about the red planet's mysterious past.

The latest example achieves that goal through the assistance of scorched igneous rock from an Icelandic volcano ... “This allows us to extract softer, silkier textures and more refined, richer ...

These rocks crop out as belts of supracrustal rocks elongated ... These CL images revealed oscillatory zoning (igneous texture) in zircon crystals, core and edge structures related to inherited core ...

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Alongside kaolinite, the rocks also contained traces of spinel, most likely aluminum spinel. This mineral typically forms in either igneous or metamorphic environments ... color images showing various ...