Trevali Mining Drills 12.9 m of 4.77% Zinc at Caribou

Base Metals Investing
Zinc Investing

Exploration drilling at Trevali Mining Corporation’s (TSX:TV) Caribou zinc mine in the Bathurst mining camp of New Brunswick has intersected significant massive sulphide mineralization approximately 350 metres outside the currently defined measured and indicated resource.

Exploration drilling at Trevali Mining Corporation’s (TSX:TV) Caribou zinc mine in the Bathurst mining camp of New Brunswick has intersected significant massive sulphide mineralization approximately 350 metres outside the currently defined measured and indicated resource.
Drill hole BR-1017 was designed to test the approximately 200-metre west-northwest down-dip extension of drill hole BR-1014A (that intersected 50.9 metres grading 5.08% Zn, 1.76% Pb, 0.37% Cu, 59.66 g/t Ag & 1.63 g/t Au, see Trevali news release dated April 16, 2015). The hole intersected 7.1 metres of massive sulphide at a downhole depth of 812.5 metres (vertical depth of approximately 725 metres) grading 4.91% Zn, 2.06% Pb, 0.37% Cu, 77.92 g/t Ag & 2.52 g/t Au (Table 1).
Drill hole BR-1018 was designed to test the northwest down-plunge extension of the “Caribou Mineral Horizon” that remains relatively underexplored (Figure 2). The hole intersected 32.1 metres of sulphide mineralization at a downhole depth of 808 metres (vertical depth of approximately 770 metres) grading 3.36% Zn, 1.28% Pb, 0.74% Cu, 37.41 g/t Ag & 0.94 g/t Au, within which several higher-grade intervals occur including 12.95 metres of 4.77% Zn, 2.02% Pb, 0.43% Cu, 51.14 g/t Ag & 1.57 g/t Au (Table 1).
Down hole geophysics (BHEM) from both of these holes suggests strong continuity of mineralization in the area around BR-1014A, additional follow up drilling is underway with the goal of defining the limits of mineralization and brining this zone of mineralization into the geologic resource.
“These significant, deeper massive sulphide mineralized intercepts at our Caribou Zinc Mine continue to demonstrate the resource expansion potential of the deposit,” stated Dr. Mark Cruise, President and CEO. “The ultimate mine life at Caribou has yet to be defined and we remain greatly encouraged by the results that clearly demonstrates the deposit remains open at depth.”
The Company looks forward to the completion of its 2016/2017 winter drill campaign and will release the results as they become available.

Drill hole       Depth From - To  Core Length    Zn (%)Pb (%)Cu (%)Ag (g/t)Au (g/t)
                     (metres)        Interval*
                                     (metres)
BR-1016                                       No significant intercept
BR-1017            812.58 - 819.68       7.10  4.91  2.06  0.37   77.92    2.53
BR-1018            808.00 - 840.10      32.10  3.36  1.28  0.74   37.41    0.94
             incl. 808.00 - 820.95      12.95  4.77  2.02  0.43   51.14    1.57
             incl. 822.90 - 830.50       7.60  1.30  0.37  1.84   19.53    0.33
             incl. 836.24 - 840.10       3.86  5.65  1.69  0.72   62.49    0.95

Table 1:Summary of BR-1016-1018 drill hole assay results. *Length and specific gravity weighted composites. Intervals are approximately 60-70% of true thickness.
Trevali Mining added to S&P/TSX Equal Weight Global Base Metals Index
Effective at the open of trading on Monday, March 20, 2017, Trevali will be added to the S&P/TSX Equal Weight Global Base Metals Index.
The S&P/TSX Equal Weight Global Base Metals Index is the equal weighted version of the S&P/TSX Global Base Metals Index, a benchmark of securities involved in the production or extraction of base metals, and a subset of the S&P/TSX Global Mining Index.
Qualified Person and Quality Control/Quality Assurance
EurGeol Dr. Mark D. Cruise, Trevali’s President and CEO and Daniel Marinov, P.Geo, Trevali’s VP Exploration, are qualified persons as defined by NI 43-101, have supervised the preparation of the scientific and technical information that forms the basis for this news release. Mr. Marinov is responsible for all aspects of the work, including the quality control/quality assurance programs. Dr. Cruise is not independent of the Company, as he is an officer, director and shareholder. Mr. Marinov is not independent of the Company as he is an officer and shareholder. Drill core samples were processed and assayed in the Santander mine onsite laboratory. Zinc, lead and silver, assays were obtained by Aqua-Regia dissolution followed by Atomic Absorption measurement. Values of lead and zinc over 15% are assayed by volumetric method. Analytical accuracy and precision are monitored by the analysis of reagent blanks, reference material and replicate samples. Quality control is further assured by the use of international and in-house standards. Blind certified reference material is inserted at regular intervals into the sample sequence by Trevali personnel in order to independently assess analytical accuracy. The onsite laboratory is outsourced and managed by SGS-Peru personnel. SGS-Peru’s quality system complies with the requirements for the International Standards ISO 9001:2000 and ISO 17025: 1999. Finally, representative blind duplicate samples are routinely forwarded to an ISO compliant third party laboratory for external quality control.
About Trevali Mining Corporation
Trevali is a zinc-focused, base metals mining company with two commercially producing operations.
The Company is actively producing zinc and lead-silver concentrates from its 2,000-tonne-per-day Santander mine in Peru and its 3,000-tonne-per-day Caribou mine in the Bathurst Mining Camp of northern New Brunswick. Trevali also owns the Halfmile and Stratmat base metal deposits, located in New Brunswick, that are currently undergoing a Preliminary Economic Assessment reviewing their potential development.
The common shares of Trevali are listed on the TSX (symbol TV), the OTCQX (symbol TREVF), the Lima Stock Exchange (symbol TV), and the Frankfurt Exchange (symbol 4TI). For further details on Trevali, readers are referred to the Company’s website (www.trevali.com) and to Canadian regulatory filings on SEDAR at www.sedar.com.
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