NioCorp Developments Ltd. explores for and develops mineral deposits in North America. It owns and develops the Elk Creek niobium/scandium/titanium project located in Southeastern Nebraska. The company was formerly known as Quantum Rare Earth Developments Corp. and changed its name to NioCorp Developments Ltd. in March 2013. NioCorp Developments Ltd. was incorporated in 1987 and is headquartered in Centennial, Colorado.