MINERAL AND ENERGY RESOURCES IN INDIA
MINERALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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:Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material?
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coal
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bauxite
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gold
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zinc
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Explanation:
Detailed explanation-1: -Complete answer: The mineral Bauxite is generated by decomposition of rocks that leaves a residual mass of weathered material.
Detailed explanation-2: -1.3. Bauxite (Fig. 1.33) is formed by surface weathering of clay rocks around the tropical region and composer of aluminum oxide (Al(OH)3). It contains 15%–25% aluminum and only ore used for commercial extraction for aluminum.
Detailed explanation-3: -Biological weathering refers to decomposition and disintegration of rocks due to organic material of both flora and fauna.
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