CENTENNIAL, Colo., June 23, 2016 (GLOBE NEWSWIRE) — NioCorp Developments Ltd. (“NioCorp” or the “Company”) (TSX:NB) (OTCQX:NIOBF) (FSE:BR3) announces the successful completion of a Whole Ore Pre-Leach Pilot Plant (WPL) as part of its Elk Creek Superalloy Materials Feasibility Study.  The WPL validated results from earlier bench-scale testing and paves the way for the remaining Feasibility Study pilot plants to commence at the SGS Lakefield metallurgical testing facility in Lakefield, Ontario. This pilot plant is a key component of the metallurgical development and design program that will lead to the completion of the Elk Creek Superalloy Materials Feasibility Study.  It […]