The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 199
... tons of thori- um . So far , however , exploration for this element as such has been limited . The chief ore mineral is monazite , in which thorium is contained in varying proportions . The primary ore is found in South Africa , Malawi ...
... tons of thori- um . So far , however , exploration for this element as such has been limited . The chief ore mineral is monazite , in which thorium is contained in varying proportions . The primary ore is found in South Africa , Malawi ...
Page 200
... tons of proved and 30 , - 000,000 tons of probable ore containing titanium are present the proved deposits being second only to the 4,000,000 tons found in Australia . Elsewhere along the West African coast , ilmenite is found in the ...
... tons of proved and 30 , - 000,000 tons of probable ore containing titanium are present the proved deposits being second only to the 4,000,000 tons found in Australia . Elsewhere along the West African coast , ilmenite is found in the ...
Page 566
... tons of citrus , 150,000 tons of dates ( of which 70 percent was exported ) , 18,000 tons of olive oil , and 570,000 tons of vegetables were produced annually . Thirty percent of the milk , 40 per- cent of the sugar , 75 percent of the ...
... tons of citrus , 150,000 tons of dates ( of which 70 percent was exported ) , 18,000 tons of olive oil , and 570,000 tons of vegetables were produced annually . Thirty percent of the milk , 40 per- cent of the sugar , 75 percent of the ...
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19th century abrasive accelerator acid actinide actor Adams adhesives administrative adult advertising Aegean aerospace Aeschylus aesthetic Afghanistan agriculture aircraft airplane animals artist atomic Bantu Bantu languages basic behaviour Bronze Age Cameroon carved Central centre changes Chari-Nile languages coast Congo contains countries Cretan Crete crops cultural Cyclades dance Djibouti early East Egypt electrons engineering Ethiopia example farm feet figures flight Ghana important increase industry Kabul Kenya Khoisan Knossos known Lake land languages mainland major masks ment metal modern mountains Mycenae Niger Nigeria Nilotic northern organization oxidation particles patterns percent period plants political population production proton region River Sahara savanna sculpture soil solvent South Africa southern species style Sudan Tanzania temperature theory tion tons traditional tropical United usually West Africa western Yoruba Zaire