Figure 2

Main morphological features of the ACCR. (A) NW narrow ridge sector forming a carbonate wall. Continuous and dashed yellow line shows a normal fault strike. (B) ENE wide ridge sector and an indication of the Besnard Mound. The continuous magenta line shows the strike of the west fault (see Fig. 3). (C) Elongated depressions (“comet marks”) downstream of the mound structures. The locations of the map insets are indicated in Fig. 1. Interpretation made with SonarWiz software, version 7.04 (CHESAPEAKE TECHNOLOGIES; https://chesapeaketech.com).