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Alphonsus Crater Mantled Floor Fracture
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Alphonsus Crater Mantled Floor Fracture

November 29, 2012
LROC NAC closeup of a fracture in the floor of Alphonsus crater. Dark pyroclastic materials are intermixed with lighter rocks and boulders from the fracture walls and all appear to have moved in streamers toward the fracture floor at upper right. A NASA region of interest site is centered just to the southeast of this view. Credit: NASA/GSFC/Arizona State University


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