Figure 243

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This rimmed depression draped by mare lava is at the end of a mare ridge segment due north of Copernicus in Mare Imbrium. The unusual shape of the crater may indicate a volcanic origin; alternatively, a circular or elliptical impact crater may have been deformed by subsequent development of the mare ridge, a part of which impinges on the crater at the northeast side. In any case, a preexisting rimmed depression seems to have been buried by mare, reappearing as a mantled structure upon solidification and compaction of the lava.   -C.A.H.

Report Source: NASA SP-362, Page 228, Figure 243

This web page was created by Francis Ridge for The Lunascan Project
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