With increasing diameter, ejecta morphology changes from primarily rampart to a more radial, lunar-like appearance. This may indicate that the crater has excavated to a depth where subsurface ice no longer exists in substantial amounts and thus drier material dominates the ejecta. Note also how the crater interior becomes more complicated as diameter increases. Crater is 51.5 km in diameter and is located at 50.70° N, 343.73° W; Viking Orbiter frame 675B35 Right
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