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Various Siezs Of Iron Ore Balls Through The Years

6 ironsmelted ca 1500bc the discovery of smelting around 3000 bc led to the start of the iron age around 1200 bc and the prominent use of iron for tools and weapons 7 mercury ca 750bc known to ancient chinese and indians before 2000 bc and found in egyptian tombs dating from 1500 bc 1735 cobalt 1751 nickel 1774 manganese.

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    Jan 20 2012 iron meteorites are 35 times as heavy as ordinary earth rocks of the same size while stony meteorites are about 15 times as heavy lumps or fragments of manmade materials ore rocks slag the byproduct of industrial processes and the iron oxides magnetite and hematite are also common all throughout the world and are frequently dense and

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    Which was ore d and various pulverized iron ore types were blended to produce pellets the blending levels of the specimens are shown in table 3 iron ore d and pulverized iron ores a c or d are blended with a mass of 10 to 40 for comparison for no 14 no 15 and no 16 a level of blending nonpulverized ore a

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