Encyclopedia Americana, Količina 19Americana Corporation, 1965 |
Iz vsebine knjige
Zadetki 1–3 od 69
Stran 159
... deposits of the Union of Soviet Socialist Republics are presumed to contain two thirds of the world's manganese ore reserves . The largest group of deposits is in the Nikopol district of the Ukraine , where reserves are esti- mated at ...
... deposits of the Union of Soviet Socialist Republics are presumed to contain two thirds of the world's manganese ore reserves . The largest group of deposits is in the Nikopol district of the Ukraine , where reserves are esti- mated at ...
Stran 161
... deposits in Florida ( beach sands ) and eluvial deposits in Idaho . Near Piney River , Va . , there are deposits of ilmenite and rutile with esti- mated reserves of over 4 million tons of titanium dioxide ; and other titanium - iron ...
... deposits in Florida ( beach sands ) and eluvial deposits in Idaho . Near Piney River , Va . , there are deposits of ilmenite and rutile with esti- mated reserves of over 4 million tons of titanium dioxide ; and other titanium - iron ...
Stran 163
... deposits are in South Africa , Canada , and Soviet Russia . The chief South African deposits occur within the extensive Merensky Reef . Canada's major reserves are in the Sudbury district of Ontario , where platinum metals are found in ...
... deposits are in South Africa , Canada , and Soviet Russia . The chief South African deposits occur within the extensive Merensky Reef . Canada's major reserves are in the Sudbury district of Ontario , where platinum metals are found in ...
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