BUZZ-SouthGobi Resources Ltd: Revenue falls 51 pct
** Coal miner's shares down 14.5 pct at 53 Canadian cents
** Q3 revenue more than halves to $7.6 million, hurt by lower prices and fall in sales volumes
** Company, with operations in Mongolia, says Q3 average realized selling price dropped to $13.87 per tonne, compared with $22.05 a year earlier
** Up to Friday's close, stock had fallen more than 28 pct this year on the Toronto Stock Exchange
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