(North Sea). This shelf sea, a marginal sea of the Atlantic ( Oceanus), assumed its present form in the Jura. In the west, it is separated from the Atlantic by the Straits of Dover, in the north-west, by the line of the Orkney and Shetland Islands. In the east, the Skagerrak separates it from the Baltic Sea ( Mare Suebicum). There are few bordering archipelagos north-west and south-east.
The Mare Germanicum (MG) extends over an area of 0.58 million km2, it contains 0.054 km3 of water, its medium depth is around 94 m, its greatest depth is 725 m near Arendal in th…