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Trilogy Metals Inc.
Summary
| Project: | Upper Kobuk | |
|---|---|---|
| Deposit: | Bornite | |
| Location: | United States | |
| Commodities: | Copper-Cobalt | |
| Date: | 8/23/2018 | |
| Report Code: | NI43-101 | |
| Report Type: | Exploration/Drilling Update | |
| Project Stage: | Pursuing Resource Increase/Upgrade | |
| Report details: | 23-8-2018: Trilogy Metals Inc. announces an Exploration/Drilling Update report for its Bornite deposit at the Upper Kobuk project. Drilling results incl. 16.4m @ 5.34% Cu, 0.21% Co from 791.9m. August 23, 2018 - Vancouver, British Columbia – Trilogy Metal | |
| Resources: | ||
| CP/QP: | [Overall Report]: Andrew W. West (Internal) | |
| ABSTRACT: | August 23, 2018 - Vancouver, British Columbia – Trilogy Metals Inc. (TSX/NYSE American: TMQ) (“Trilogy Metals” or the “Company”) is pleased to provide an update on its summer activities at the Upper Kobuk Mineral Projects (“UKMP”) located within the Ambler Mining District of northwestern Alaska. The Company is working on several fronts to advance both the Arctic and Bornite Projects. All amounts are in US dollars. As of August 19th, the Company has completed five drill holes comprising a total of 5,267 metres at Bornite. The objective of the 2018 drilling campaign is to infill and expand the currently defined open pit and underground mineral resources. Mineralization occurs as a series of “Reefs” hosted by both the Upper and Lower Bornite Carbonate sequences separated by a generally unmineralized phyllite unit. The Cu-Co mineralization at Bornite occurs in three distinct carbonate zones, the Upper Reef, the Lower Reef, and the South Reef. All three zones are being drill tested this year. The Company has received, on an expedited basis, initial assay results from drill hole RC18- 0247 which is designed to test extensions of high-grade copper mineralization at depth, along the South Reef trend. At a copper cut-off grade of 1.5%, RC18-0247 contains an interval of 16.4 metres grading 5.34% copper and 0.21% cobalt. The mineralized interval was intersected at a depth of 791.9 metres (total mineralized interval was between 791.9 metres to 808.3 metres). The high-grade mineralized zone in RC18-0247 consists of massive chalcopyrite occurring as breccia infill with intergrown pyrite and within dolomite-quartz veins as centimetre scale blebs. Bornite and chalcocite mineralization replace chalcopyrite within the breccia matrix in the highest-grade intervals from 795.9 to 799.3 metres and 803.9 to 808.3 metres. Large (4 to 10 centimetres wide) carbonate/quartz veins also host a chalcopyrite-bornite-chalcocite mineral assemblage. Massive cobaltiferous pyrite occurs as 10 to 20 centimetre-wide stringers between the two higher grade zones. This mineralized interval is within the Lower Reef. Figure 1 and Table 1 shows the location of RC18-0247 while Figure 2 is a cross-section showing the location of RC18-0247 relative to other holes on the section. | |
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