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. 2020 Aug 7;125(8):e2020JE006502. doi: 10.1029/2020JE006502

Figure 17.

Figure 17

Delaunay triangulation of the source depth for RECs 30–60 diameter (Warner et al., 2017), which is the depth to rock in the InSight landing ellipse (in white). The base of the regolith must be above this depth so this is the maximum regolith thickness. The depth to rock beneath the InSight lander (white X) is 3.9 m. Latitude and longitude in planetocentric degrees; depth to rock. Background is the THEMIS daytime mosaic in which dark halo craters have higher thermal inertia from rocky ejecta.