The New Encyclopaedia Britannica, Volume 16Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 193
... contains on the average about 3 percent salt , the actual concentration varying from about 1 per- cent ( in the polar seas ) to 5 percent . Enclosed seas such as the Mediterranean and Red seas contain a higher pro- portion of salt than ...
... contains on the average about 3 percent salt , the actual concentration varying from about 1 per- cent ( in the polar seas ) to 5 percent . Enclosed seas such as the Mediterranean and Red seas contain a higher pro- portion of salt than ...
Page 753
... contain inclusions of other minerals , such as rutile ( rutilated quartz ) , asbestiform amphiboles ( ti- gereye is the yellow - brown variety from South Africa ; hawk's - eye , the blue variety ) , or platy minerals , such as mica ...
... contain inclusions of other minerals , such as rutile ( rutilated quartz ) , asbestiform amphiboles ( ti- gereye is the yellow - brown variety from South Africa ; hawk's - eye , the blue variety ) , or platy minerals , such as mica ...
Page 777
... contain lead , is recovered with the lead bullion as a by - product ( see ZINC PRODUCTS AND PRODUCTION ) . The cyanide process is generally used on ores that con- tain only silver or silver and gold as the valuable constitu- ent . The ...
... contain lead , is recovered with the lead bullion as a by - product ( see ZINC PRODUCTS AND PRODUCTION ) . The cyanide process is generally used on ores that con- tain only silver or silver and gold as the valuable constitu- ent . The ...
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19th century Africa agriculture American ancient areas army became BIBLIOGRAPHY carpels carpets central centre Christian church cultural Danish death Denmark developed dunes early east eastern economic endosperm Europe European feet Finland fishes flowers forces fruit genera genus German Iceland important industry Intelsat islands king land lizards major ment metres miles military Moscow mountains nobility northern Norway organization ovary ovules party peasants percent period petals pitcher pitcher plant plants political population produced province reforms region reign religion religious republic ritual river Rugby Russian S.F.S.R. Rwanda sacred sacrifice saga sail saints salmoniform salt domes sand sandstones Santalales São Paulo Sarmatians satellite satire Saxifragales sepals ships shrubs social southern Soviet Soviet Union species Stalin stamens steppe structure Sweden Swedish taxes territory tion trade traditional trans trees tropical Union Western