McKay Hill
Silver Project, Yukon
The McKay Hill Silver Project is a high-grade silver-polymetallic vein system in the Mayo Mining District of central Yukon, ~50 km north of Keno City and ~350 km north of Whitehorse. The Property comprises 212 contiguous unsurveyed quartz claims covering the southern slopes of McKay, Horseshoe and Sullivan Hills in the southern Wernecke belt of the Ogilvie Mountains.
The Property has a documented exploration history dating to the early 1900s, including small-scale historical mining at the Central Zone (Yukon MINFILE 106D 038). Six modern exploration seasons were completed by Metallic Minerals Corp. and its predecessor Monster Mining Corp. between 2007 and 2020, culminating in the first drilling on the Property in over 90 years.
The Property is underlain by mafic alkalic volcanics of the Dempster volcanics (Marmot Group), with a mapped thrust contact against the underlying Narchilla Formation. Mineralization occurs as NNE-striking, decimetre- to metre-scale quartz–galena ± copper-oxide ± sphalerite ± sulfosalt veins, with banded, vuggy and replacement textures. In high-porosity host lithologies — conglomerates, mafic volcaniclastics, and grit — mineralization is preserved as matrix-replacement style, interpreted as the interaction of mineralizing fluids with carbonate-bearing host rocks.
The deposit model is intermediate-sulphidation vein-type with stratiform carbonate-replacement — a different style from the better-known Keno Hill Quartzite-hosted veins to the south, but in the same regional silver belt.
To date, 41 mineralized veins have been mapped on the Property across eight known mineralized zones: Central, West McKay, Falls, Bella, Red, Independence Hill, Independence North, and White Hill. The Central Zone (MINFILE 106D 038) is a historical past producer.
Past production figures cited from historical records are not based on a current Mineral Resource estimate and should not be relied upon as such.
In July 2020, Metallic Minerals Corp. (the prior operator) completed five reverse-circulation drillholes on the Central Zone — the first drilling on the Property in over 90 years. Mineralization was intersected in all five holes. Selected results from the program:
A new vein, the Drury vein, was discovered during the 2020 prospecting program. A grab sample returned 21% Pb, 9.4% Zn, >100 g/t Ag and >1% Cu.
Grab samples are by their nature selective and the values reported are not necessarily representative of the broader mineralization on the Property. The 2020 RC drillholes were not surveyed downhole. Over-limit Ag and Cu calculations on certain 2020 samples were flagged as pending in the MMG report; Argyle’s Qualified Person has reviewed the underlying assay certificates and considers the results above reliable for use as historical context.
Argyle Resources Corp. is advancing McKay Hill with a phased 2026 program designed to validate and expand the mineralization identified by previous operators:
Qualified Person Statement
The scientific and technical information on this page has been reviewed and approved by George Yordanov, P.Geo., a Qualified Person under National Instrument 43-101 — Standards of Disclosure for Mineral Projects. Mr. Yordanov is a Director of Argyle Resources Corp. and is not independent of the Company.
Historical exploration results referenced here in were generated by previous owner consultant TruePoint Exploration during the 2007–2020 work programs and are presented for historical context only. Argyle’s Qualified Person has reviewed the historical data on the basis of the original assessment report and assay certificates and considers the data reliable for indicating exploration potential, but cautions that historical results have not been independently verified to the standard of a current Mineral Resource estimate. Historical results are not necessarily indicative of future results.
