THORN GOLD-COPPER-SILVER PROJECT

Summary

The Thorn Project is located within the Taku River Tlingit and Tahltan First Nations traditional territory. The wholly-owned 2,863 km2 Thorn Project is located in northwestern British Columbia (northern tip of the “Golden Triangle”), Canada, approximately 90 km northeast of Juneau, AK. The southern limit of the Thorn claim boundary is roughly 50 km from tide water.

Thorn is relatively accessible from Vancouver. A commercial flight to Whitehorse, Yukon departing in the morning allows for transfer to a fixed wing aircraft, which can land on the property airstrip by early afternoon. Access around the property is supported by helicopter from the well-established Thorn Camp.

The Thorn Project hosts a district-scale, Triassic to Eocene, volcano-plutonic complex and related sedimentary units with several styles of mineralization related to porphyry and epithermal environments.

Property History

The earliest known work on the Thorn property was carried-out by Cominco in 1952 and Kennco in 1959 and Chevron Minerals in the 1980’s. Brixton’s first exploration program was in 2011. Collectively, including Brixton and many other operators, there has been extensive geochemical & geophysical surveys.  Persistent drilling has led to several new discoveries.

Exploration Targets

  • Copper-gold-silver-molybdenum porphyry mineralization at the Camp Creek Target has been the focus of drilling by Brixton Metals since acquisition in 2009. The target area is approximately 1km by 2km, and covers several different mineralized zones, including Oban, Talisker and Glenfiddich. The porphyry is blind and it wasn’t until 2019 that drilling was deep enough to connect with the veining system, starting at approximately 300m depth. Through the 2020 and 2022 exploration season, drill testing has pushed holes beyond 1,000m depths and Camp Creek is now encountering Cu-Au-Ag-Mo porphyry mineralization over 100’s of meters, including 967.71m of 0.25% Cu, 0.09g/t Au, 2.39 g/t Ag and 186 ppm Mo (0.39% CuEq*) in THN22-201, and 821.25m of 0.24% Cu, 0.10 g/t Au, 2.44 g/t Ag and 174 ppm Mo (0.38% CuEq*) in THN21-184. Brixton continues to test the extents of this porphyry system, at depth and towards the northwest, northeast and southeast.
  • The Oban zone is a porphyry-related diatreme breccia where polymetallic (Au-Ag-Cu-Pb-Zn) mineralization is hosted in the breccia matrix. Subrounded clasts are composed mostly of quartz diorite porphyry, some of which contain mineralized porphyry-style veining. Hole THN19-150 drill tested the diatreme to 829m depth, intersecting 0.57g/t Au, 0.24% Cu, 43.18g/t Ag, 0.55% Zn and 0.28% Pb over 554.7m (97.00-651.70m).
  • The Glenfiddich zone consists of high-sulphidation veins and silica-flooded breccia hosting high Cu-Ag-Au. Intense silicification with vuggy texture is exposed on several outcrops at surface and is host to pyrite, tetrahedrite and enargite. Hole THN13-121 drilled 10.6% Cu, 583 g/t Ag, 2.5 g/t Au over a true width of 1.1m.
  • The Talisker zone is defined by a northeast striking high sulphidation vein corridor. It has strike length of 600 m and is open to the northeast. Disseminated and vein-hosted pyrite and sulphosalts with strong sericite alteration yield significant Au-Cu-Ag values. The best Talisker hole, THN11-51, returned 48.78m of 1.42 g/t Au, 19.2 g/t Ag, and 0.25% Cu.

Mr. Gary R. Thompson, P.Geo., Chairman, President and CEO of Brixton, is the QP who approved the scientific and technical information on this website.

*All references to Copper Equivalent (CuEq) are calculated based on US$ 4.30/lb Cu, US$ 1820.00/oz Au, US$ 23.80/oz Ag, $US 18.00/lb Mo. These prices represent the approximate 1 year moving averages of metal prices and calculations assume 95% recovery. The formula is: CuEq % = (Cu % + (0.617248 * Au g/t) + (0.008072 * Ag g/t) + (0.000419 * Mo ppm)) * 0.95

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