July 31 (Reuters) - Guyana Goldfields Inc GUY.TO :
* Guyana Goldfields Inc reports quarterly loss per share of $0.02
* Guyana Goldfields Inc Reports second quarter 2017 results and maintains production guidance
* Says qtrly gold production of 29,700 ounces
* Says co maintains 2017 production guidance and expects to come in at lower end of guidance range of 160,000 - 180,000 ounces of gold
* Says sees 2017 AISC $775 per ounce -$825 per ounce