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VANCOUVER, BRITISH COLUMBIA–(Marketwired – July 19, 2016) – Trevali Mining Corporation (TSX:TV) announces results from eleven new drill holes in its ongoing 2016 underground exploration drill program at the Santander Zinc Mine in Peru.
VANCOUVER, BRITISH COLUMBIA–(Marketwired – July 19, 2016) – Trevali Mining Corporation (TSX:TV) announces results from eleven new drill holes in its ongoing 2016 underground exploration drill program at the Santander Zinc Mine in Peru. The aim of the current drilling is to test the down-depth extensions of Magistral North deposit and recently discovered Oyon zone. Drill holes continue to intersect multiple stacked mineralized massive sulphide replacement zones, or mantos, both within the main Magistral North body as well as in the Oyon mantos (Table 1). Mineralization remains open for expansion (Figure 1).
MAGISTRAL NORTH AND OYON ZONES
The recently discovered Oyon mantos are located in the hanging wall to the main Magistral North deposit and are proximal-to-immediately-adjacent to existing and future planned mine development (Figure 2).
As presently defined the Oyon zone contains multiple stacked lenses (or mantos) of replacement semi-massive to massive sulphide mineralization and associated veining that varies from 1 to plus-20-metres thick, a modeled strike length of approximately 100 metres and a currently defined dip length of approximately 200 metres.
In general average grades for zinc, and particularly lead and silver, are significantly higher than current Santander average mill feed grades (Table 1). Furthermore the presence of multiple stacked massive sulphide lenses containing high lead-to-zinc ratios coupled with associated anomalously high silver values is indicative of the upper portions of a Carbonate Replacement Deposit (CRD) system, which given its location approximately 350-metres subsurface, suggests significant depth potential remains.
The Company is currently fast-tracking ramp development in order to enable exploitation of this high-grade area at the earliest opportunity in addition to providing additional exploration windows to extend both zones. In the interim, exploration focus has shifted to the Magistral Central – Fatima zone which also remains open for expansion.
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