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  Veins in 'Sheepbed' Outcrop
     
Veins in 'Sheepbed' Outcrop
Image credit: NASA/JPL-Caltech/MSSS

Uploader comment: This image of an outcrop at the "Sheepbed" locality, taken by NASA's Curiosity Mars rover with its right Mast Camera (Mastcam), shows show well-defined veins filled with whitish minerals, interpreted as calcium sulfate. These veins form when water circulates through fractures, depositing minerals along the sides of the fracture, to form a vein.

   

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Waspie_Dwarf
January 16, 2013, 3:45 pm
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