Cornerstone Capital Resources: Espiritu trench at Bramaderos Au-Cu Project (Ecuador) exposes gold-silver polymetallic veins intersecting 4m at 415g/t silver, 0.9g/t gold, 6.9% zinc and 6.0% lead https://www.globenewswire.com/news-release/2020/07/13/2061190/0/en/Espiritu-trench-at-Bramaderos-Au-Cu-Project-Ecuador-exposes-gold-silver-polymetallic-veins-intersecting-4m-at-415g-t-silver-0-9g-t-gold-6-9-zinc-and-6-0-lead.html July 13, 2020 08:00 ET | Source: Cornerstone Capital Resources Inc.