Document Type

Article

Publication Date

1973

Abstract

Visual obseryations f color differences of Serenitatis mare materials from orbit ment photography and other remotely sensed data, The light the Screnitat is younger than the dark bluc gray mulus; the latcr contin ues tol sonte of Mare "Tranquillitatis. Marc E innet basin fill and eous with the occur in he, resalt annulus of Serenitatis. Ridges are interpreted RS structura 3 net S after the solidification of the basaltic lava )n the southeastern rim of the Serenitat Basin is the darkest blue aray ithin which A landed. Highland massifs surrounding this unit have unstable slopes which Te believed tobe t HARK localized tectonic activity. On the southwest rim he basin لااحزا mantling matcrials of the Sulpicius Gallus ther we ل٩ patches which resemble the mare material of the Serenittis dark annulus.

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