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.
Kitale is an agricultural town in northern rift valley Kenya situated between Mount Elgon and the Cherangani Hills at an elevation of around 1,900 metres (6,200 ft).[2] Its population is 106,187 as of 2009.[1]. Kitale is the capital town of Trans Nzoia County. The National Museum of Western Kenya is located at Kitale. It is a natural history museum and was originally created by Lt Col. Hugh Stoneham in 1926.