The most important ore of aluminum
Detailed Explanation:
Bauxite is the primary ore of aluminum, containing 30–60% aluminum oxide (Al₂O₃). It is a reddish-brown sedimentary rock formed by tropical weathering of aluminum-rich rocks.
Calamine is a zinc carbonate ore, calcite is calcium carbonate (limestone), and galena is lead sulfide—none contain aluminum.
Therefore, bauxite being the sole aluminum ore, Option 1 is the correct answer.
Question 9 of 12 Mineral Resources
Practice PYQ questions from this topic across all years
Where was the first coal mine in India mined?
Ilmenite, which is widely distributed along the Indian coastline, is a mineral of