Dark Light
The objective of this observation is to examine layers exposed in small blocks and in a butte in eastern Arabia Terra, in the Northern Hemisphere of Mars.

Layers may form from volcanoes, the wind, or by deposition under water. Arabia Terra is large upland region, heavily eroded, densely cratered, and possibly the oldest terrain on the Red Planet.


Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_065168_1915
Related Posts

Lines of Pits in Protonilus Mensae

This observation shows a lobe-shaped debris apron emanating from a massif (shown in the upper left of the image) in the Protonilus Mensae region in the Northern Hemisphere of Mars.
Fans and Polygons

Fans and Polygons

This is a place where fans emerge relatively late in the Martian spring from polygonal cracks owing to the process of sublimation.

Faulting Mars

This region of Xanthe Terra has mostly been contracted due to thrust faulting, but this local region shows…