Named after the Assyro-Babylonian; the tumult of the waves at the place where the waters of primordial freshwater ocean Apsu and salt sea Tiamat are mingled.
A sulcus is an are subparallel furrows and ridges. On Ganymede they are named after places associated with myths of ancient people.
Image Source. Marker locations are approximate and may not always appear to align with image on map.