West Coast Division (Gambia) births. The poverty gap ratio was 22.4 per cent and literacy rate was 69.7 per cent as of 2003. The Gambia is the smallest country in Africa and the width of the strip-like structure never exceeds . It is bordered by the Atlantic Ocean to the west, and otherwise surrounded by Senegal. The Gambia River flows throughout the country and is the principal source of water and a transport route. The banks of the river have swampy beaches, while it has alluvial soil in all other parts, which is conducive for the growth of rice. Peanuts are the major cash
Geology of Gambia Geology of Gambia The geology of Gambia is defined by thick and comparatively recent sequences of sediments and sedimentary rocks, deposited in the last 66 million years. The country is underlain almost entirely by geologically recent Cenozoic sedimentary rocks. Much deeper basement rocks are likely present, although they are not well understood. Most research has focused on oil and groundwater exploration. The oldest rock units recognized in the west of the country, along the Gambia River are sandstones and kaolinitic claystones from the Oligocene, Miocene or Pliocene. Ironstone, including iron oxides, gravel, clay and sand dating to the Pleistocene are