Heliostar tests Unga porphyry potential

Heliostar Metals Ltd. Sept. 16 reported that this year's drilling has tapped broad widths of gold and copper mineralization indicative of a large porphyry zone at the Zachary Bay target on its Unga Island gold project in Southwest Alaska.

While high-grade gold targets like those historically mined on Unga Island are Heliostar's primary interest, the company is also exploring the value that the bul...