09:47 AM EST, 11/16/2017 (MT Newswires) -- Kerr Mines (KER.TO), which is developing the Copperstone gold mine in Arizona, said on Thursday that copper resources at the high-grade gold project may offer an additional revenue stream.

The company is now evaluating the potential size of the copper resource at the site, with cores showing that the metal is associated with gold and averaging 0.54% copper in assays in both sulfide and oxide forms.

"We are very encouraged to investigate the potential for copper to enhance the economics of this project," Martin Kostuik, Kerr's president, said in a release.

Kerr shares, which have nearly tripled over the past 12 months, were unchanged at $0.30 at last look on the Toronto Stock Exchange.

Price: 0.30, Change: 0, Percent Change: 0