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By Lisa A Corathers Usgs Minerals

20181019usgs minerals yearbookotal u apparent consumption of silicon ferroalloys and metal in 2004 increased by 9 to 594,000 t from the revised estimate of 544,000 t in 2003 contained silicon apparent consumption increased by 22 to 293,000 t for silicon metal, and decreased marginally to 30 ,000 t for ferrosilicon and miscellaneous silicon.

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