Figure 3

From: Tsunami waves extensively resurfaced the shorelines of an early Martian ocean

Figure 3

(A) View of Deuteronilus Mensae in northwestern Arabia Terra showing the distribution and elevation ranges of ramp surfaces marked by backwash channels as well as the reconstructed location of the paleoshoreline from which the older tsunami (member lHl1) propagated (see Fig. 4 and Fig. S4 for details on paleoshoreline reconstructions). Shaded-relief MOLA digital elevation model (460 m/pixel). Credit: MOLA Science Team, MSS, JPL, NASA. (B) Close-up view on panel (A) showing the distribution of some of the channel-scoured, north-sloping highland mesas (blue areas). Channels occur on bright (i.e., higher thermal inertia) surfaces, which abruptly transition (red line) in lower part of image to uplands covered by dark (lower thermal inertia) materials. THEMIS night-time infrared image mosaic, context and location in panel A. Credit: Christensen et al.32. Example of channeled surface (C) displaying streamlined bars (D) made up of rounded to angular boulders as much as ~10 m in diameter (yellow bars are 10 m in length) (E). (C–E), Parts of HiRISE image ESP_028537_2270, 25 cm/pixel. Credit: NASA/JPL/University of Arizona.) We produced the mosaics and maps in this figure using Esri’s ArcGIS® 10.3 software (http://www.esri.com/software/arcgis).