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Summary

Location: Lac de Gras, Northwest Territories - 290 km northeast of Yellowknife
Size: 125,000 hectares
Ownership: ~21% North Arrow, ~89% Dominion Diamond with Participating Interests (following the spring 2019 program).
Stage: exploratory drilling 
Closest Infrastructure: Diavik diamond mine 10 km to northeast; Ekati mine located 20 km north; ice road comes through property boundary


Highlights


Overview

The Lac de Gras Project is located in the Lac de Gras kimberlite field, close to two of the world’s richest diamond mines: Diavik and Ekati. North Arrow considers the area to have significant exploration potential for the discovery of new diamondiferous kimberlites.  Exploration of the project is conducted under joint venture agreement with Dominion Diamond Corporation under which Dominion owns ~89% interest in the project once the spring 2019 exploration program is complete.  Dominion is the most important diamond company in the NWT, owning an interest in both the Diavik (40%) and Ekati (89%) mines.

Previous work in the project area has included airborne surveys, till sampling, ground geophysics and limited diamond drilling. Untested geophysical anomalies and unexplained geochemical anomalies remain, but the glacial history of the project area south of Lac de Gras is considered to be complex, having been exposed to multiple glacial events.  

In 2017 Dominion conducted airborne and ground geophysical surveys, including a 5,567 line km VTEM Plus survey of the southern part of the Project area where previous airborne geophysical coverage consisted only of wide spaced fixed wing magnetic surveys. Additionally, 22 ground geophysical survey grids were completed during spring and fall field programs. The ground surveys consisted of magnetic, electromagnetic and/or gravity surveys testing priority targets selected from compilation work completed in 2016 and preliminary survey results from the 2017 airborne survery.  Drilling was conducted in the spring and summer of 2018 but did not intersect any new kimberlites.

Dominion recently indicated to North Arrow that a program of ground geophysical surveys was complete. Target selection is now underway with exploration drilling for new kimberlites expected to commence shortly. This work is part of a $2.8M 2019 exploration program on the LDG property with a focus on kimberlite discovery in this prospective area directly south of, and adjacent to, the Diavik Diamond Mine

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