Apsheron

Apsheron (upshirôn') [key], peninsula, c.40 mi (60 km) long, extending into the Caspian Sea, E Azerbaijan. It is a dry, hilly area at the eastern end of the Greater Caucasus Mts. and is underlain by rich oil-bearing rock strata. The oil industry developed there in the 1870s, although the presence of oil was known long before. The peninsula, with its Baky oil fields, was the USSR's chief oil-producing region prior to the opening of the Siberian fields. Natural gas wells, salt lakes, mineral springs, and mud volcanoes are also found on Apsheron. Baky is the region's chief city, and the peninsula falls within the boundaries of Greater Baky.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

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