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Metals in the earth's crust are very unevenly distributed and, traditionally, a small number of ore deposits, districts or countries have dominated the world su

Metals in the earth's crust are very unevenly distributed and, traditionally, a small number of ore deposits, districts or countries have dominated the world su

Accompanying CD-ROM includes color graphs and "a fairly complete (more than 1000 entries) database of the 'giant' and 'world class' metal deposits of the world"