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December 1, 2010
Geology Word of the Week: E is for Eustasy
Ocean meets land, Western Cape, South Africa, March 2009. def. Eustasy: A global change in sea level. The key word in the definition is global— eustasy is not used to refer to local variations in sea level. Rather, a eustatic change in sea level occurs when there is a global change in (a.) the total amount of water in the oceans and/or (b.) the total volume of the ocean basins. …