NioCorp Files NI 43-101 Technical Report on its 2022 Elk Creek Critical Minerals Project Feasibility Study

Previously announced updated feasibility study confirms that the Elk Creek Project has the second largest indicated-or-better rare earth resource in the U.S., second only to MP Materials’ Mountain Pass deposit CENTENNIAL, Colo., June 29, 2022 /PRNewswire/ — NioCorp Developments Ltd….