Rock Hounding on Mars
Spirit Stirs Up Salt Again

Spirit Rover playing in the sand...

When one of Spirit's wheels became jammed, it caused the wheel arm to drag through the soft sand. Just beneath the brown top soil layer of dust, Spirit uncovered MINERAL SALTS of various colors. Just like the dry lake beds in Nevada where the seas and lakes have dried up and left salt flats, so too do we find deep deposits of salt on Mars. However they are not hard packed on Mars like they are in the deserts of earth because there is no current rainfall. In the images below we see the yellow of SULFUR and shades of pale blue and white.

Panoramic Camera :: Sol 1062
Image Source: NASA
Panoramic Camera :: Sol 1069
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Image Source: NASA

NASA: SOL 1069 Gallery
Panoramic Camera :: Sol 1096
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Image Source: NASA

NASA: SOL 1069 Gallery
Panoramic Camera :: Sol 1098
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Image Source: NASA

NASA: SOL 1098 Gallery
Panoramic Camera :: Sol 1098
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Image Source: NASA

NASA: SOL 1098 Gallery
Panoramic Camera :: Sol 1100
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Image Source: NASA

NASA: SOL 1100 Gallery

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