Abuja large and growing immigrant community consisting mainly of nationals from the ECOWAS sub-region. The city has been undergoing a rapid pace of physical development over the last fifteen years. Abuja is served by the Nigerian Postal Service which maintains postal codes, street names and zones. Nnamdi Azikiwe International Airport is the main airport serving Abuja and the surrounding capital region. It was named after Nigeria's first president, Nnamdi Azikiwe. The airport has international and domestic terminals. Abuja is also linked to Nasarawa, Plateau, Benue and Northeast Nigeria by the A234 Federal Highway, which starts from the city as the Goodluck
Geology of the Central African Republic Geology of the Central African Republic The geology of Central African Republic (CAR) is part of the broader geology of Africa. CAR occupies a swath of ancient rocks, dating back billions of years that record significant aspects of Earth history and yield minerals vital to the country’s small economy. Southern CAR is part of the Congo Craton, a stable landmass dating to the Archean that was once fused with the Sao Francisco Craton until the opening of the South Atlantic Ocean. Some of the oldest rocks in CAR belong to the 3.4 billion year old Bomu Complex which includes migmatite