Oct 31 (Reuters) - Guyana Goldfields Inc GUY.TO
* Guyana Goldfields Inc - Reports production of 41,000 ounces for Q3 2017 generating US$50m in revenues at a cash cost of US$595/oz
* Expects full year production for 2017 to come in at low end of guidance of 160,000 - 180,000 ounces
* Reports qtrly earnings per share $0.04
* Sees FY2017 all-in sustaining costs $775/ounce to $825/ounce