Trevali Mining Produces 5,016 Tonnes of Zinc in August, 66% Recovery at Caribou Mine

Trevali Mining Corp. (TSX:TV,OTCQX:TREVF,FWB:4TI) reported updates from the Caribou Zinc Mine in New Brunswick: commissioning continued through August, with Glencore’s Australian IsaMill specialist arriving; modifications to eh IsaMill circuit were implemented and pump delivery systems improved. Trevali Mining also reported a total mill throughput of 52,057 tonnes in July and 77,149 tonnes in August, with 1,933 tonnes of zinc produced in July and 5,016 tonnes of zinc in August.

As quoted in the press release:

CARIBOU MILL COMMISSIONING
Commissioning continued through the month of August with the primary focus on increasing mill circuit stability, achieving design capacity Zn and Pb recoveries, mill throughput and in the latter half of the month, with the arrival of partner Glencore’s Australian IsaMill specialist, IsaMill optimization. The commissioning status of specific mill components is as follows:
Grinding / IsaMills — Modifications to the IsaMill circuit occurred during the month and a variety of recommendations are currently being implemented including but not limited to optimal media sizing, improved pump-delivery systems and grind optimization.
Recoveries — As summarized in Table 1 and associated graphs, recoveries of both Zn and Pb continue to display positive trends during the commissioning period (Table 1, Figures 1 & 2). The Company continues to remain focused on maintaining this positive trend over the coming months as it works to reach both Zn and Pb recovery design levels (as per the May 13, 2014 Preliminary Economic Assessment by SRK Consulting (Canada) Inc.) in a timely manner. Following this, Trevali will focus on both the copper circuit and precious metal by-products.
The mill is now producing consistent tails and operations will now focus on both increasing recoveries and mine head-grades toward design levels (as the mill continues to process the commissioning-phase coarse feed stockpile).

Trevali President & CEO, Dr. Mark Cruise, said:

“We continue to deliver progress during Caribou commissioning and are pleased to see increasing volumes of concentrate sales. From September onwards, the commissioning team will principally focus on mill circuit stability, improving Zn and Pb recoveries, and continuing to increase mill throughput towards design levels, which is especially important in light of the current muted commodity price environment. Of all the base metals the macro-zinc outlook remains positive with overall strengthening demand for the metal generally anticipated as a result of supply constraints due to the very near-term closure of the Lisheen and Century mines in Ireland and Australia respectively by years-end. Ongoing exploration programs at our Santander Mine in Peru and advanced engineering studies at our Halfmile Mine and Stratmat project in New Brunswick should provide the Company with optionality to take advantage of any short-to-medium-term positive price movements.”

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