DEPTH OF THE OCEAN 35 



Ridge, that between Faroe and Iceland the 

 Faroe-Iceland Ridge, and that between Ice- 

 land and Greenland the Iceland-Greenland 

 Ridge. 



The North Sea is shallow, all less than 100 

 fathoms except in the Norwegian Gut or 

 Norwegian Depression close to the Norwegian 

 coast. Hudson Bay is also shallow, only a 

 small portion exceeding 100 fathoms in depth. 

 Davis Strait forms a shallow connection 

 between the North Atlantic and Arctic, the 

 depth in the centre of the narrowest part being 

 112 fathoms with deeper water both to the 

 north and to the south. 



The Mediterranean is cut off from the North 

 Atlantic by a ridge at the Strait of Gibraltar, 

 over which the greatest depth is only 175 

 fathoms, with steep slopes on either side. 

 Depths exceeding 2000 fathoms occur in the 

 Mediterranean between Sardinia and Italy 

 and between Sicily and Greece, the maximum 

 depth of 2400 fathoms being found off the 

 strait between Crete and Greece. The Black 

 Sea, which has a maximum depth of 1227 

 fathoms, is cut off from the Mediterranean by 

 the shallow Sea of Marmora and the two 

 connecting straits, the Bosphorus and the 

 Dardanelles. 



The Gulf of Mexico has a maximum depth 

 of 2080 fathoms, and is connected with the 



