From where the ores in the earth’s crust have come?

March 22, 2011 by  
Filed under Geology

The ores in the earth’s crust have come from frequent volcanic eruption. A natural disaster is defined as a hazard which occurs naturally, that is a disaster that is not brought about by acts of human beings. A natural disaster might be caused by earthquakes, flooding, volcanic eruption, landslide etc. In order to be classified […]

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