April 17 (Reuters) - Orvana Minerals Corp ORV.TO :
* ORVANA REPORTS IMPROVED PRODUCTION RESULTS FOR SECOND QUARTER FISCAL 2018
* QTRLY EL VALLE MINE GOLD OUTPUT OF 15,139 OUNCES OF GOLD IN Q2 2018
* DON MARIO MINE GOLD OUTPUT WAS 9,649 OUNCES IN Q2 2018