May 11 (Reuters) - Caledonia Mining Corporation Plc CAL.TO
* Caledonia Mining Corporation Plc: results for the first quarter of 2017
* Qtrly adjusted earnings per share of 5.3 cents
* Caledonia says on track to achieve production target of 80,000 ounces by 2021 at its Zimbabwean subsidiary, blanket mine
* Caledonia says revised production target for 2017 is between 52,000 and 57,000 ounces of gold
* Dividend of 5.5 United States cents per annum will be maintained. Source text for Eikon: ID:nCCNmDcm Further company coverage: CAL.TO