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Ancient Lava Plain in Thaumasia Planum
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Ancient Lava Plain in Thaumasia Planum

March 22, 2007
Image PSP_002432_1525 samples part of an ancient lava plain in Thaumasia Planum. The stack of lava flows has been folded into ridges the size of a chain of hills, as can be seen in the center of the image.

The lava and the ridge has been degraded by erosion. The numerous craters and dunes attest to two of the erosional processes—meteorite impacts and the wind.


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