Aug 14 (Reuters) - Caledonia Mining Corporation Plc CAL.TO -
* Caledonia mining corporation plc: results for the second quarter and first half of 2017
* Q2 adjusted earnings per share C$0.189
* Remains on track to achieve the production target of 80,000 ounces by 2021 at its zimbabwean subsidiary, blanket mine
* Q2 gold produced 12,521 oz versus 12,510 oz last year
* Qtrly revenue $15.5 million versus $15.7 million
* Qtrly earnings per share 6.1 cents