Granite is a felsic or acidic rock. A vesicle is a cavity formed by expanding gas during the cooling of an extrusive igneous rock. A good example of vesicles are those found in pumice. If a vesicle is filled in by a secondary mineral it is described as an amygdale.
InformAfrica â Kisii County is a district in the Nyanza Province of southwestern Kenya, and is mostly inhabited by the Gusii tribe or Kisii people. Kisii is the capital town of Kisii county. As of 2010, Kisii county has 7 constituencies which are: Bobasi, Bonchari, Bomachoge, Kitutu Chache, Nyaribari Chache, Nyaribari Masaba, and South Mugirango.
Nairobi is the capital city of Kenya and East Africa's most populous city (3.5 million). Nairobi was founded in 1899 as a railway stop en route to Mombasa. Within a decade it grew to become the capital of British East Africa and became Kenya's capital after independence in 1963.Nairobi is a major business hub and many Aid agencies headquarter here as well.Nairobi has a modern city center, some beautiful suburbs, as well as Africa's largest slum.ithin a decade it grew to become the capital of British East Africa and became Kenya's capital after independence in 1963. Nairobi is a major business hub and many Aid agencies headquarter here as well. Nairobi has a modern city center, some beautiful suburbs, as well as Africa's largest slum.