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How To Make Stone From Sand Haiti

Rotary Dryer

202039From sand to rockquickly Published 3 November 2009 GMT10 As this picture of a toy car encased in stone shows see Toy car rocks millionyear belief you dont need millions of years for sediment to harden into rock.Now researchers have identified that the process can be helped along by microbes secreting cementing agents as a byproduct of their normal metabolic processes.

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