The geology of the Netherlands describes the geological sequence of the Netherlands. Large parts of the Netherlands today are below sea level and have in the past been covered by the sea or flooded at regular intervals. The modern Netherlands formed as a result of the interplay of the four main rivers (Rhine, Meuse, Schelde and IJssel) and the influence of the North Sea. The Netherlands is mostly composed of deltaic, coastal and eolian derived sediments during the Pleistocene glacial and interglacial periods.
Fairly all of the west Netherlands is composed of the Rhine-Meuse river estuary, but human intervention greatly modified the natural processes at work. Most of the western Netherlands is below sea level due to the human process of turning standing bodies of water into usable land, a polder.
In eastern Holland, remains are found of the last ice age, which took place approximately ten thousand years ago. As the continental ice sheet moved in from the north, it pushed moraine forward. The ice sheet halted as it covered the eastern half of the Netherlands. After the ice age ended, the moraine remained in the form a long hill-line. The cities of Arnhem and Nijmegen are built upon these hills.
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Famous quotes containing the word netherlands:
“Greece is a sort of American vassal; the Netherlands is the country of American bases that grow like tulip bulbs; Cuba is the main sugar plantation of the American monopolies; Turkey is prepared to kow-tow before any United States pro-consul and Canada is the boring second fiddle in the American symphony.”
—Andrei Andreyevich Gromyko (19091989)