The rim is roughly circular, with the greatest wear along the northeast rim.

There is a second, even smaller impact in the northeast rim.

A small crater along the northeast rim of Galois has a small ray system.

The prominent crater Vlacq is nearly attached to the northeast rim.

The most notable impact on the floor is a crater near the northeast rim.

Nearly attached to the northeast outer rim is the crater Papaleksi.

The crater is nearly circular, with an outward bulge along the northeast rim.

It is located on the northeast rim of the Aso caldera.

Horrocks lies entirely within the northeast rim of the crater.

The exception is an even younger, bowl-shaped crater that lies across the northeast rim.