Other Features
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Layers in Monument Valley. These are accepted as being formed, at least in part, by water deposition. Since Mars contains similar layers, water remains as a major cause of layering on Mars.
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Dikes in Arabia, as seen by HiRISE, under the HiWish program. These straight features may indicate where valuable ore deposits may be found by future colonists. Scale bar is 500 meters.
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Close-up of a complex group of ridges. The ridges may be the remains of old streams. Image taken by HiRISE under the HiWish program.
Read more about this topic: Arabia Quadrangle
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