History of Rwanda included Tanganyika and Ruanda-Urundi. In 1911, the Germans helped the Tutsi put down a rebellion of Hutu in the northern part of Rwanda who did not wish to submit to central Tutsi control. At the end of WWI, Belgium accepted the League of Nations Mandate of 1916 to govern Rwanda as the territory Ruanda-Urundi, along with its existing Congo colony to the west. The portion of the German territory, never a part of the Kingdom of Rwanda, was stripped from the colony and attached to Tanganyika, which had been mandated to the British. A colonial military campaign from 1923 to
Geology of Rwanda between the oil company and the Government of Rwanda has suspended operations. In this region, reserves of helium rich methane is estimated to be 56.65 billion m. Although petroleum extraction occurs in the country, it imports more than it exports. Geology of Rwanda The geology of Rwanda comprises Mesoproterozoic metasediments, largely quartzites, sandstones, and shales of the Burundian Supergroup which are locally intruded by granite. There are four types of granite in the Kibaran Belt. In eastern Rwanda are the “older granites” along with granitic-gneisses and migmatites of Palaeoproterozoic age. In the northwest and southwest are Neogene volcanics, ranging in