Transport in Guinea-Bissau Transport in Guinea-Bissau Transport infrastructure in Guinea-Bissau is basic, with most roads outside the capital being unpaved. There are no railways in Guinea-Bissau. In 1998 an agreement was signed between Portugal and Guinea-Bissau for construction of railway to Guinea. The Trans–West African Coastal Highway crosses Guinea-Bissau, connecting it to Banjul (the Gambia), Conakry (Guinea), and eventually to 11 other nations of the Economic Community of West African States (ECOWAS). Several rivers are accessible to coastal shipping in Guinea-Bissau. In 1999 no merchant vessels were operating. The main airport serving the country, and the only one with scheduled commercial service, is
Geology of the Central African Republic Southern Hemisphere as part of the supercontinents Gondwana and Pangaea. Many aspects of Central African Republic’s geologic history remain unknown. Along with the Brazilian state of Bahia, CAR is the only country known to host carbonados (black diamond aggregates), which some researchers have suggested may be connected to a Precambrian meteorite impact that could also have generated the Bangui magnetic anomaly. Up to 60% of bedrock beneath the Central African Republic dates to the Precambrian. Much of the country is situated in the Archean Congo Craton. The North Equatorial Fold Belt, Pan-African granulites and greenstone belts are found in the