Aug 15 (Reuters) - Goldgroup Mining Inc
* Goldgroup announces cerro prieto production results for the second quarter 2016
* Qtrly production was 4,270 gold ounces versus 1,913 gold ounces for cerro prieto
* On target for our annual production guidance for 2016 of 15,000 ounces and our all-in sustaining cash cost guidance of $900 per ounce Source text for Eikon: ID:nCNW91JP0a Further company coverage: GGA.TO