Apart from the fjords and lakes the chief beauties of the Alps are glaciers and waterfalls.
The presence of the sea in these fjords is an accident.
- The coasts of Greenland are for the most part deeply indented with fjords, being intensely glaciated.
Or more, and descends gradually by extremely gentle slopes towards the coasts or the bottom of the fjords on all sides, discharging a great part of its yearly drainage or surplus of precipitation in the form of icebergs in the fjords, the so-called ice-fjords, which are numerous both on the west and on the east coast.
Hitherto marine conditions were confined to the littoral; in Middle Miocene times (Helvetian) the sea broke in and spread in a south-east direction in the form of long ramified fjords but did not extend as far as the Sahara.