Sunstone Metals (ASX:STM) intersected wide intervals of gold and copper mineralization in the second set of four holes of a drilling program across the Porotillo, Copete, and Melonal porphyry systems within the Bramaderos project in Ecuador, according to a Thursday Australian bourse filing.
It intercepted 250.4 meters at 0.43 grams per tonne grade of gold-equivalent, including 0.25 g/t grade of gold and 0.11% copper from surface at Melonal.
It also encountered intercepts of 200.5 meters at 0.42 g/t grade of gold-equivalent, including 0.25 g/t grade of gold and 0.10 % grade of copper, as well as 140.4 meters at 0.45 g/t grade of gold-equivalent, including 0.25 g/t grade of gold and 0.12 % grade of copper at Porotillo.
Its shares rose 4% in recent trading on Thursday.