Mare Frigoris is located just north of Mare Imbrium, and
stretches east to north of Mare Serentatis. The mare is
in the outer rings of the Procellarum basin. The basin
material surrounding the mare is of the Lower Imbrian
epoch, while the eastern mare material is of the Upper
Imbrian epoch, and the western mare material is of the
Eratosthenian epoch.
The mare appears as darker grey material in the lower
section of the photo below. The dark circular feature
just to the south of Frigoris is the crater Plato. You can
just make out the crater Aristoteles as a lighter grey
circular feature to lower right-center of the photo, and
south of Frigoris.
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