HiPOD: 11 January 2019
Survey Thermophysical Boundary

Tabby Boulders
There are many boulders on the vast northern plains of Mars, but they form in different ways. Here it appears that depositional layers, perhaps sediments, became hardened and fractured. Erosion of this layer produced tabular boulders, with flat tops and bottoms and generally rectangular or polygonal shapes.

ID: PSP_009334_2275
date: 23 July 2008
altitude: 305 km
Observation details page

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NASA/JPL/University of Arizona
Black & white is less than 5 km across; enhanced color is less than 1 km