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Operations

Caribou Zinc Mine

Location

New Brunswick, Canada

Ownership

100%

Mine Type

Underground Mine

Resource

Zinc-lead-silver-copper-gold

Operations

  • 3,000-tonne-per-day processing mill
  • Flotation recovery plant
  • Metallurgical and geochemical laboratories
  • Tailings treatment facility

Caribou Zinc Mine

The Caribou mine is located approximately 50 kilometres west of Bathurst, New Brunswick, Canada and is comprised of an underground mine, a 3,000-tonne-per-day (tpd) processing mill, flotation recovery plant, metallurgical and geochemical laboratories, and a tailings management facility.

Geology and Mineralization

The Bathurst Mining Camp (BMC) occupies a roughly circular area of approximately 70 km diameter in the Miramichi Highlands of northern New Brunswick. The area boasts some 46 mineral deposits with defined tonnage and another hundred mineral occurrences, all hosted by Cambro-Ordovician rocks that were deposited in an ensialic back-arc basin.
The rocks in the BMC are divided into five groups: the Miramichi, Tetagouche, California Lake, Sheephouse Brook, and Fournier groups, which are largely in tectonic contact with one another. The lower part of each group is dominated by felsic volcanic rocks and the upper part by mafic volcanic rocks, which are overlain by carbonaceous shale and pelagic chert. The basalts are both tholeiitic and alkalic and show a progression from enriched, fractionated continental tholeiites to alkali basalts to more primitive, mantle-derived midocean ridge, tholeiitic pillow basalts. Most massive sulfide deposits of the Bathurst mining camp are associated with felsic volcanic rocks in each group.

Mineral Resource Estimates

ResourceTonnesZn%Pb%Cu%Ag (g/t)Au (g/t)
Measured & Indicated

7,230,000

6.992.930.4384.4

0.9

Inferred3,660,0006.952.810.3278.31.2

Please refer to Disclosures for important items relating to the resource estimates and production plans.

Caribou Production Statistics

Q2-2017
Q1-2017
Tonnes Mined
223,104
222,264
Tonnes Milled
225,692
232,880
Average Head Grades %
Zinc
5.50%
6.15%
Lead
2.45%
2.68%
Silver (oz/t)
2.18
2.29
Average Recoveries %
Zinc
78%
75%
Lead
61%
64%
Silver (in lead concentrate)
39%
38%
Payable Production:
Zinc lbs (pounds)
17,879,104
19,619,395
Lead lbs (pounds)
6,862,370
8,107,773
Silver Oz
203,556
217,085
Zinc Equivalent lbs Payable Produced
26,228,623
29,199,484
Site Cash Cost per ZnEq Payable lbs Produced1
$0.52 
$0.49 
Total Cash Cost per ZnEq Payable lbs Produced1
$0.86
$1.06
Site Cash Operating Cost(1) per Tonne Milled
$60.61
$61.17
(1) ZnEq Payable Pounds Produced = ((Zn Payable lbs Produced x Zn Price)+(Pb Payable lbs Produced x Pb Price)+(Cu Payable lbs Produced x Cu Price)+(Au oz Payable Produced x Au Price)+(Ag oz Payable Produced x Ag Price))/Zn Price.

2017 Production Guidance

  • Zinc – 90-93 million payable pounds
  • Lead – 30-32 million payable pounds
  • Silver – 800,000-900,000 payable ounces
  • Total site cash costs of US$55-60/tonne milled
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