Yukon Geological Survey publication metadata (English, HTML)

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Publisher-reported update

2026-08-26

Yukon Government, Liard First Nations, and Ross River Dena Council agreed to create a Special Management Area designated as Natural Environment Park over Frances Lake. The Frances Lake SMA covers an area of significant Pb-Zn-Cu mineralization and multi-element geochemical anomalies, abuts to Cominco's advanced Fin prospect, and encloses quartz claims over the Matt Berry deposit. Field work conducted in the summers of 2000 and 2001 showed that: mineralization in the Matt Berry deposit is related to a previously unreported volcanic belt that extends over 30 km to the northwest; Matt Berry deposit has characteristics of VMS-style deposits, such as those in the Finlayson Lake Belt; the style of deformation interpreted for the Matt Berry suggests repetition of the mineralized unit at depth; Maxi prospect is a significant exploration target. A detailed mineral assessment of the area bounded by Robert Campbell Highway and Nahanni Range Road shows the highest mineral potential along a belt in the western part of the area, which coincides with the core of the proposed SMA. An examination of the detailed mineral potential map resulted in the following recommendations: the proposed…

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