Minerals
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What is secondary mineral?
2014-02-25 Central Geological Survey, MOEA 14649
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What are the geological processes of lithification and mineralization?
2014-02-25 Central Geological Survey, MOEA 16063
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What is clay?
2014-02-25 Central Geological Survey, MOEA 9688
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What are silicon dioxide and ferric oxide?
2014-02-25 Central Geological Survey, MOEA 9837
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What is clay mineral?
2014-02-25 Central Geological Survey, MOEA 12850
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What are glassy, crystalline and holocrystalline?
2014-02-25 Central Geological Survey, MOEA 18595
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What are the differences between rocks and minerals?
2014-02-25 Central Geological Survey, MOEA 20067
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Whether CGS offers the mineral identification services?
2014-02-25 Central Geological Survey, MOEA 15643
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What is the difference between “marble (rock)” and “marble stone”?
2014-02-25 Central Geological Survey, MOEA 18381
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What is a gold-copper deposit?
2014-02-18 Central Geological Survey, MOEA 9365