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Question:

homework help again(srry)?

if you cake Ca CO(3)-sub three- +Mg and wait a few milennium, you end up witha. limestoneb. brecciac.shaled.dolostonee.bituminous coali think its limestone.

Answer:

Limestone is CaCO3, a mineral called calcite If you add Mg, you can convert it into dolomite (Ca,Mg)CO3 Converted dolomite can often form spherical blocks, due to the dissolving limestone around it (dolomite is less soluble than calcite). These are known as dolostones.

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