The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 42
... metamorphism during the Kibaran event . This important thermotectonic episode gave rise to the Kibaran - Burundian fold belt in east - central Africa , the Ruwenzori belt in Uganda , and the Namaqua - Natal belt in South Africa and ...
... metamorphism during the Kibaran event . This important thermotectonic episode gave rise to the Kibaran - Burundian fold belt in east - central Africa , the Ruwenzori belt in Uganda , and the Namaqua - Natal belt in South Africa and ...
Page 68
... metamorphic rocks are al- most impermeable except where fractured or weathered . Volcanic rock , especially the basalts , may yield up to 1,060 cubic feet per hour . Most of the exploited groundwater is generally fit for consumption ...
... metamorphic rocks are al- most impermeable except where fractured or weathered . Volcanic rock , especially the basalts , may yield up to 1,060 cubic feet per hour . Most of the exploited groundwater is generally fit for consumption ...
Page 91
... metamorphic rocks also occur ; these commonly appear as low ridges or what seem to be archipelagoes of island mountains . The higher western margins of both areas testify to the degree of erosion re- sulting from the flow of rivers ...
... metamorphic rocks also occur ; these commonly appear as low ridges or what seem to be archipelagoes of island mountains . The higher western margins of both areas testify to the degree of erosion re- sulting from the flow of rivers ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe