Jan 15 (Reuters) - Gran Colombia Gold Corp:
* GRAN COLOMBIA SURPASSES 2017 ANNUAL GOLD PRODUCTION GUIDANCE WITH 173,821 OUNCES, UP 16% OVER PREVIOUS YEAR
* PRODUCED A TOTAL OF 51,699 OUNCES OF GOLD IN Q4 OF 2017, UP 26% OVER Q4 LAST YEAR Source text for Eikon: Further company coverage:
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