View Older Stories View More Recent Stories

Sep 15, 2020 01:42PM Clarification to Technical Disclosure and Intention to Amend Technical Report
Sep 11, 2020 08:00AM Drilling underway at Espiritu gold-silver target at Bramaderos Gold Project (Ecuador)
Sep 8, 2020 08:00AM Cornerstone to be exclusive sponsor of Kitco’s coverage of Denver Gold Forum
Aug 27, 2020 08:00AM Cornerstone Update on the Miocene gold-copper Project, Chile
Aug 25, 2020 05:15PM Cornerstone announces results of August 25ᵗʰ shareholders’ meeting
Aug 19, 2020 08:00AM Drilling to begin in September at Espiritu target at Bramaderos Gold Project (Ecuador)
Jul 22, 2020 07:00AM Cornerstone Intends to Requisition SolGold General Meeting to be held in late October 2020 to Replace Entire SolGold Board
Jul 15, 2020 07:00AM Cornerstone to Requisition SolGold General Meeting to Replace Entire SolGold Board
Jul 14, 2020 07:16PM Cornerstone Board Formally Rejects Hostile Bid by SolGold for the Second Time
Jul 13, 2020 08:00AM 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
Jun 30, 2020 04:30PM Cornerstone Recommends Shareholders Take No Action in Response to Hostile Takeover Bid by SolGold
Jun 26, 2020 06:01PM Cornerstone Provides Update on Annual Meeting
May 22, 2020 01:52PM Technical Report filed for Alpala Mineral Resource Estimate # 3
May 11, 2020 11:38AM Field work to resume at Bramaderos Au Cu Project, Ecuador
Apr 29, 2020 08:00AM Further Metallurgical Test Work Continues to Add Improvements and Modeled Revenue Increases at Alpala 
Apr 8, 2020 08:00AM Bramaderos Au Cu Project, Ecuador – High-grade surface samples at Espiritu epithermal gold-silver target
Apr 7, 2020 08:00AM Alpala Mineral Resource Estimate # 3 delivers significant tonnage conversion to Measured Category
Mar 26, 2020 08:00AM Bramaderos Au Cu Project, Ecuador – Exploration breakthrough leads to identification of numerous higher grade gold-copper porphyry targets
Mar 25, 2020 08:00AM Temporary suspension of activities at Cascabel and other Cornerstone Projects due to Coronavirus Precautions
Mar 11, 2020 10:41AM Cascabel (Alpala Deposit) Update
Feb 27, 2020 08:00AM High potential Porphyry Cu-Au-Mo Targets Discovered at Espejo and Rio Magdalena Projects within the ENAMI EP strategic exploration alliance in NW Ecuador
Feb 25, 2020 08:00AM Bramaderos Au Cu Project, Ecuador - Latest assays combined with new 3D magnetics point to clusters of higher-grade zones
Jan 22, 2020 08:00AM Ten priority epithermal gold targets identified for follow-up at Bramaderos
Jan 21, 2020 08:00AM Bramaderos Main Assays Extend Strike Length of Mineralization to 650m
Jan 7, 2020 08:00AM Bramaderos Farm-in Terms Amended
Dec 16, 2019 05:15PM Cornerstone Closes Debt Settlement
Dec 9, 2019 07:05AM Cornerstone to Settle Outstanding Indebtedness
Dec 3, 2019 08:00AM Bramaderos Update - Latest Limon assays indicate drilling is closing in on centre of gold-copper porphyry
Nov 22, 2019 05:30PM Update on Investment for Accounting Purposes in Cascabel
Nov 20, 2019 09:37AM Cornerstone Files Amended Technical Report for Cascabel (Alpala Deposit) Preliminary Economic Assessment
Oct 29, 2019 08:00AM Drilling continues at the Limon and Bramaderos Main gold-copper porphyry prospects
Oct 28, 2019 11:05AM Cascabel Copper Gold and Silver Recovery Improvements Drive Modeled Revenue Increases
Oct 28, 2019 08:00AM Cascabel Metallurgical Test Work Yields High Grade Copper and Gold Content Rates at Alpala
Oct 15, 2019 08:00AM Bramaderos Drilling Update
Aug 28, 2019 08:00AM Sunstone earns 51% ownership in the Bramaderos gold-copper project in Ecuador
Aug 27, 2019 08:00AM Updated exploration model indicates discovery potential at Bramaderos
Aug 26, 2019 08:00AM Drilling at Bramaderos Main returns strong results of 55.8m at 0.74g/t gold and 0.15% copper in outcropping porphyry gold-copper system
Aug 20, 2019 08:00AM Bramaderos Main drilling results define areas of higher-grade gold and copper within large porphyry system - Further drilling will aim to extend these higher-grade zones
Aug 6, 2019 09:12PM Cornerstone Grants Stock Options
Aug 6, 2019 08:00AM Bramaderos Exploration Update – Farm-in Partner Sunstone to ramp up exploration with 2 rigs drilling at West Zone gold prospect and Limon gold-copper porphyry prospect
Jul 19, 2019 08:00AM Cascabel Exploration Update - Pre-Feasibility Work Program & Alpala Drilling Campaign
Jul 18, 2019 08:00AM Bramaderos Exploration Update – Strong assays received for upper portion of drill hole BMDD001 from the Bramaderos Main gold-copper prospect
Jul 11, 2019 07:51PM Cornerstone Announces Effective Date for Share Consolidation
Jul 2, 2019 08:00AM Bramaderos Exploration Update – Assays from Limon drill hole 2 indicate proximity to the core of a porphyry system - Bramaderos Main drill hole 1 completed at 670m and hole 2 in progress
Jun 28, 2019 08:17AM Cornerstone Files Technical Report for Cascabel Preliminary Economic Assessment
Jun 27, 2019 10:33AM Cornerstone Announces Results of June 25th Shareholders’ Meeting
Jun 20, 2019 02:56PM Cornerstone Reports on Decision of Ecuador Constitutional Court
Jun 6, 2019 11:14AM Cornerstone Reports on Hearing of Anti-Mining Referendum Oral Arguments at Constitutional Court
May 30, 2019 10:59AM Cornerstone Comments on Share Price Activity
May 30, 2019 08:00AM Bramaderos Exploration Update – Drilling intersects extensive mineralized porphyry system at Limon Target
View More Recent Stories View Older Stories