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Trek Mining Continues to Intersect Significant Gold Mineralization at Piaba West

25.07.2017  |  GlobeNewswire
VANCOUVER, July 25, 2017 - Trek Mining Inc. (TSX-V:TREK) (“Trek Mining” or “the Company”) is pleased to announce positive results from an additional 30 shallow step-out and infill drill holes totalling 3,761 metres (“m”) drilled below the shallow, westernmost Piaba reserve pit and along strike at the Company’s 100%-owned Aurizona Gold Mine (“Aurizona”) in Brazil.

Further to the May 17, 2017 and June 27, 2017 news releases, Piaba West drilling to date has successfully intersected significant gold mineralization within, below and up to 350 m along strike of the Piaba gold deposit reserve pit, including shallow and higher-grade mineralization along sections 1800W and 1850W as highlighted by 20 m grading 5.06 grams per tonne gold (“g/t Au”) in hole BRAZP596.

Drilling highlights include:

  • 1.13 g/t Au over 44.5 m in BRAZD534
  • 0.95 g/t Au over 21.8 m in BRAZD535
  • 5.70 g/t Au over 8.7 m, 1.29 g/t Au over 21.0 m and 0.96 g/t Au over 11.0 m in BRAZD536
  • 0.59 g/t Au over 21.2 m in BRAZD537
  • 2.29 g/t Au over 5.1 m and 1.33 g/t Au over 25.3 m in BRAZD538
  • 1.07 g/t Au over 32.7 m in BRAZD539
  • 3.63 g/t Au over 8.0 m in BRAZD540
  • 1.50 g/t Au over 6.4 m and 1.38 g/t Au over 11.1 m in BRAZD541
  • 3.20 g/t Au over 12.2 m in BRAZD542
  • 1.89 g/t Au over 6.2 m and 2.60 g/t Au over 4.0 m in BRAZD543
  • 0.79 g/t Au over 22.0 m and 1.43 g/t Au over 15.0 m in BRAZP595
  • 1.49 g/t Au over 5.0 m and 5.06 g/t Au over 20.0 m in BRAZP596
  • 2.16 g/t Au over 6.0 m in BRAZP599
  • 1.88 g/t Au over 19.0 m in BRAZP603
  • 4.95 g/t Au over 3.0 m and 3.32 g/t Au over 4.0 m in BRAZP606
  • 1.26 g/t Au over 17.0 m in BRAZP607
  • 2.13 g/t Au over 6.0 m in BRAZP610
  • For a table of the recent exploration drill results, click here
  • For a table showing all of the Company’s 2017 exploration drill results to date, click here
  • For a map showing the Company’s 2017 exploration drill holes and highlight results to date, click here

Drill holes BRAZD542 and BRAZP610 were drilled to follow up BRAZP575, a recent 300 m step-out hole that intersected 3.90 g/t Au over 11.0 m. BRAZD542 was designed as a 50 m undercut of the mineralized zone and intersected 3.20 g/t Au over 12.2 m. BRAZP610 stepped out an additional 50 m along strike to the west and intersected 2.30 g/t Au over 6.0 m, confirming that gold mineralization extends at least 350 m along strike.

A total of 6,839 m has been drilled in 65 holes at Piaba West this year. This first pass program, designed to extend mineralization to depth and along strike, is now complete. The Company is currently designing the next phase of drilling which will include approximately 12,000 m split between additional infill drilling at Piaba West to facilitate incorporation into Aurizona resources and reserves, and the testing of several high-potential near-mine targets.

Trek Mining’s exploration team is currently mapping regional targets in advance of the next phase of drilling. In addition, the team is interpreting data collected in the airborne magnetic, radiometric and electromagnetic surveys flown earlier this year by the Company’s greenfields exploration joint venture partner, AngloGold Ashanti Holdings plc. (“AngloGold”). AngloGold and Trek Mining will use the survey data to further define exploration targets for their respective drill programs. AngloGold commenced drilling in Q2-2017, with plans to drill 17,000 metres in 2017.

On behalf of the Board of Trek Mining Inc.

“Christian Milau”
CEO & Director

About the Aurizona Gold Mine

The current reserve and resource model for Aurizona outlines a 6.5-year mine life based on reserves identified in the Piaba and Boa Esperança pits. Gold mineralization is structurally controlled by subvertical, strike-slip shear zones occurring along significant lithological contact between metavolcano-sedimentary units and intrusive rocks. Host rocks are hydrothermally altered quartz diorite and plagioclase-quartz diorite rocks. The mineralization style is disseminated stockwork and vein-hosted sulphides and gold within a silicified shear zone. Gold mineralization at Piaba West is hosted in a northern, hanging wall sequence composed mainly of diorite and quartz diorite intrusives with subordinate dacitic volcanics. Additional information about Aurizona is available in the September 2016 “Pre-feasibility Study on Aurizona Mine Project, Maranhão, Brazil, NI 43-101 Technical Report” that is available on the Company’s website and on SEDAR at

About Trek Mining Inc.

Trek Mining is a Canadian mining company with a portfolio of production, near-production and exploration-stage projects in North and South America. The Company is producing gold from its Koricancha Mill, a custom-built gold and silver ore processing facility in Peru, and is completing a feasibility study for its past-producing Aurizona Gold Mine in Brazil, with the objective of pouring gold at Aurizona by the end of 2018. Trek Mining’s exploration properties include both near-mine and district exploration opportunities at Aurizona; the Warintza porphyry copper-molybdenum exploration project in Southeastern Ecuador; the Ricardo porphyry copper-molybdenum exploration project in Chile; and Elk Gold, a past-producing high-grade gold mine in British Columbia, Canada. Further information about Trek Mining’s business strategy and portfolio of assets is available at or by email at

Trek Mining Contacts

Christian Milau, Chief Executive Officer
Rhylin Bailie, Vice President Investor Relations
Tel: +1 604-558-0560

Qualified Person and Disclosure Statement

Scott Heffernan, M.Sc., P.Geo., the Company’s EVP Exploration and Qualified Person under National Instrument 43-101, has reviewed and verified that the technical information contained in this news release is accurate and approves the written disclosure of the same. Drill composites were calculated using cut-off values of 0.3 g/t, 1.0 g/t or 5.0 g/t gold as specified in the drill table and contain no more than 3 metres of internal waste. Drill intersections are calculated using uncut assays and are reported as drilled thicknesses. True widths of the mineralized intervals are interpreted to be 60 to 90 percent of the reported lengths. All samples were submitted to ALS Chemex in Belo Horizonte, Brazil for sample preparation. Sample pulps were then sent to ALS Chemex in Lima, Peru for geochemical analysis for gold by fire assay of a 30-gram charge with an Atomic Absorption finish (AA) and for a 33 multi-element geochemical suite by 4-acid digestion and Inductively-Coupled Mass Spectrometry (ICP-MS). Samples with AA gold values over 10.0 g/t are re-assayed by Screen Metallics fire assay. Control samples (accredited standards, blanks and duplicate samples at the field and preparation stages) were inserted on a regular basis. Results were monitored upon receipt of assays.

Cautionary Notes

Neither the TSX Venture Exchange nor its Regulation Services Provider (as such term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This document contains certain forward-looking information and forward-looking statements within the meaning of applicable securities legislation (collectively “forward-looking statements”). The use of the words “will”, “should”, “could”, “expected” and similar expressions are intended to identify forward-looking statements. Forward-looking statements contained in this press release include statements regarding planned exploration activities and drill results at Aurizona, and the anticipated restart of production at Aurizona. Although Trek Mining believes that the expectations reflected in such forward-looking statements and/or information are reasonable, undue reliance should not be placed on forward-looking statements since Trek Mining can give no assurance that such expectations will prove to be correct. These statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking statements, including the risks, uncertainties and other factors identified in Trek Mining’s periodic filings with Canadian securities regulators, and assumptions made with regard to: the anticipated results of exploration activities at Aurizona; whether exploration activities will lead to an increase in Aurizona resources and an extension of the Aurizona mine life; the anticipated results of the feasibility study for Aurizona; the anticipated Board of Directors decision to approve construction of the Aurizona mine; the ability to raise the capital required to fund construction and development of Aurizona; the ability to restart production at Aurizona; and timing of the anticipated restart of production. Furthermore, the forward-looking statements contained in this news release are made as at the date of this news release and Trek Mining does not undertake any obligations to publicly update and/or revise any of the included forward-looking statements, whether as a result of additional information, future events and/or otherwise, except as may be required by applicable securities laws.

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