Operations

Location

New Brunswick, Canada

Ownership

Option to acquire 100% interest

Resource

Zinc-lead-silver-copper-gold

Previous underground mining operations between between 1957 to 1999 extracted approx. 24 million tonnes averaging 5.2% Zn, 1.8% Pb, 0.93% Cu & 65.6 g/t Ag
Recent drill testing of E-Zone confirmed significant massive sulphide mineralization

heath_steele
Location map of the Heath Steele and Stratmat claim groups showing location of historic mine production, defined resources and known prospects.

Heath Steele Project

Trevali holds an option to acquire 100% of the formerly producing zinc-lead-silver-copper-gold mine located adjacent to the Company's Stratmat Deposit and approximately 35 km south-southeast of the Caribou Mine. Mining operations at Heath Steele were carried out by a variety of companies (including Noranda) discontinuously between 1957 and 1999. Over Heath Steele’s long mine life, zinc, lead, copper, silver and gold were extracted from several zones on the property.

Historic mine production from various zones on the Heath Steele property, from Goodfellow, 2007

Mined Zone	Million Tonnes	Zn (%)	Pb (%)	Cu (%)	Ag (g/t)
Boundary Zone and N-5	1.137	8.11	2.98	0.35	44.0
Heath Steele ACD Zone	2.472	7.38	1.73	0.73	76.7
Heath Steele B Zone	20.723	4.79	1.75	0.98	65.5
Combined Total:	24.332	5.21	1.81	0.93	65.6

Geology and Mineralization

The current target on the project, E-Zone, has VMS mineralization exposed at surface and has been previously tested and defined by more than 150 historic drill holes. Based on the available historic drill hole data, E-Zone appears to be comprised of two stacked sulphide lenses each approximately 150 metres in length and with thicknesses ranging from 5-30 metres. The lenses merge towards surface and have a vertical continuity of approximately 200 metres.

Planned Programs

Additional exploration work is planned for the Heath Steele claim group in 2018.



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