In which mineral the iron ore exists?
A. Hematite
B. Galena
C. Pynte
D. Bauxite
Answer: Option A
This Question Belongs to Mining Engineering >> Mining Geology
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On the basis of which content the igneous rocks are classified as acid rocks and basic rocks?
A. Magnetite
B. Hematite
C. Bauxite
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D. A and B both
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