American International School of Abuja and swimming), a very active student council and service-learning clubs. Students in athletics have the opportunity to compete in the West African International Schools Activities League where they enjoy travel opportunities to compete with other participating schools in the West African Region. American International School of Abuja American International School of Abuja (AISA) is a coeducational international day school in Abuja, Nigeria serving grades Pre-School through Grade 12. The school year runs from August to June, with 180 student contact days. At the end of the 2015-2016 school year, the student population was 470 spanning from over 40 countries. The
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