November 22, 2018
During the quarter a letter of intert was signed for the acquisition of the Viscaria copper project, Copperstone announced a...
September 21, 2018
A further 11 drill holes from the NANR campaign and the earlier Copperstone campaign 2015 have also been sampled.
August 9, 2018
Sunstone Metals has entered into a non-binding letter of intent to sell its Viscaria copper asset to Copperstone Resources for...
June 13, 2018
Copperstone Resources has reported copper assay results from drilling at the Granliden Hill project in northern Sweden.