BHP Billiton to invest up to C$40 million at Storm

Aston Bay Holdings Ltd. Jan. 28 reported that a Canadian subsidiary of BHP Billiton Ltd. has entered into a tentative agreement to collaborate on exploration of the Storm copper project in Nunavut.

Under terms of a letter of intent signed by the companies, BHP Billiton can earn a 75 percent interest in Storm, by investing at least C$40 million on exploration at the project within nine years, inclu...