Mascarene Ridge

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Mascarene Ridge

 

a submarine ridge in the western part of the Indian Ocean. It extends from the Seychelles Islands in the north to the island of Mauritius in the south. Length, approximately 1,800 km; width, 300-400 km; elevation, 1.5-4 km. Near the islands of Mauritius and Mahe the elevation is as great as 5 km. The Mascarene Ridge has steep slopes and a flat crest with extensive coral banks. In the north it has a continental crust; granites protrude to the surface, forming the islands of Mahe, Praslin, and others. The southern half of the ridge is composed of volcanic rock, which in certain areas is capped by coral limestone. Sediments consist of foraminiferal ooze and coral sand.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.