subsidence of the basin continued
41Western Africa — ▪ region, Africa Introduction region lying south of the Sahara and east and north of the Atlantic Ocean. It is latitudinally divided into two parallel belts of land: the western portion of the Sudan, a geographic area that stretches across… …
42climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
43Amazon River — Portuguese Rio Amazonas River, northern South America. It is the largest river in the world in volume and area of drainage basin, and only the Nile River of northeastern Africa exceeds it in length. It originates within 100 mi (160 km) of the… …
44Geology of Australia — Australia is a continent situated on the Indo Australian Plate.The geology of Australia includes virtually all known rock types and from all geological time periods spanning over 3.8 billion years of the Earth s history. ComponentsAustralia s… …
45Messinian salinity crisis — Events of the Cenozoic view • discuss •  …
46South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …
47Mexico City — a city in and the capital of Mexico, in the central part. 8,906,000; ab. 7400 ft. (2255 m) above sea level. Official name, México, Distrito Federal /me hee kaw dees tree taw fe dhe rddahl /. * * * Spanish Ciudad de México City (pop., 2000: city,… …
48mountain — mountainless, adj. /mown tn/, n. 1. a natural elevation of the earth s surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m). 2. a large mass of something… …
49New Orleans Outfall Canals — The primary outfall canals in New Orleans are the 17th Street, Orleans Avenue and London Avenue canals. They serve as the major draining conduits for a major portion of the metro area. There are three outfall canals in New Orleans, Louisiana –… …
50Wyrley and Essington Canal — For the restoration of the section Ogley Junction–Huddlesford Junction, see Lichfield Canal. Wyrley and Essington Canal Sneyd Wharf on the Wyrley and Essington Canal Original owner Birmin …
