* What is the mineral which contains a metallic element which can be economically exploited called? a) Ore mineral b) Metallic mineral c) Eco-ore d) Eco-mineral * The deposits that have formed simultaneously with the enclosing rock are called a) Syngenetic b) Epigenetic c) Syncgenetic d) Sinclogenetic * Type of veins which are bodies of tubular shape in pre-existing fissures ...
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