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The one that is not a carbonate ore is: (1) malachite (2) bauxite (3) calamine (4) siderite

1. malachite
2. bauxite
3. calamine
4. siderite

Correct answer: bauxite

Solution

Bauxite is primarily an aluminum ore and does not contain carbonate minerals, while malachite, calamine, and siderite are all carbonate ores.

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