Even without a 3D picture, we can easily see that the crater’s walls are fairly steep. Phlegra Montes are a series of mountain ranges, massifs and knobby terrain in the northern lowlands of Mars.
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The objective of this observation is to examine at least two layers that are exposed in the wall of an impact crater that’s less than 5 km across.
Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_065243_2065
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Secondary Craters
This image of a southern mid-latitude crater was intended to investigate the lineated material on the crater floor. At the higher resolution of HiRISE, the image reveals a landscape peppered by small impact craters.
Sunken and Pitted Ejecta
The objective of this observation was to examine the edge of impact ejecta from a crater to the north-west of this area (north is up, west is to the left).
Exposed Fractured Bedrock in the Central Pit of a Crater
This HiRISE image shows the central pit feature of an approximately 20-kilometer diameter complex crater in located at 304.480 degrees east, -11.860 degrees south, just north of the Valles Marineris.
Layers in Meridiani Planum
Also visible in a Context Camera image, our high resolution picture shows layers exposed where the crater ejecta has been eroded.