Mineral resource exploitation
Autor: | Jürgen Vasters |
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Rok vydání: | 2009 |
Předmět: | |
Zdroj: | Technology Guide ISBN: 9783540885450 |
Popis: | Mineral deposits are natural occurrences of valuable elements in the earth’s crust in a higher concentration than the average for those elements. They are found in rock series that have specific characteristics for each individual deposit type. Mineral deposits are unevenly distributed around the earth. |
Databáze: | OpenAIRE |
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