The Queen occurrence is located on the southwest side of Slesse Creek, approximately 1.5 kilometres north of the Canada-U.S. border.

The area is underlain by the Devonian to Permian Chilliwack Group, consisting of mafic volcanic rocks and metamorphosed argillaceous rocks. Proterozoic and Paleozoic amphibolitic rocks of the Yellow Aster Complex occur as fault slices in contact with Chilliwack Group rock on the west, and the Oligocene Chilliwack Batholith on the east.

In 1897, it was reported that a tunnel was extended by 46 metres in order to strike a vein. In 1904, it was reported that a drift was run for 6 metres into a zone of altered slate approximately 60 to 90 centimetres wide. The zone is cut by a felsic dike and both it and the slate are mineralized with pyrite. Selected samples were reported to yield a trace of gold and 6.86 grams per tonne silver (Minister of Mines Annual Report 1904, page 266).

Another area of mineralization, referred to as the Hark zone, is located on a small ridge west of the Queen occurrence and consists of silicified argillite adjacent to limestone with quartz-calcite stock works hosting pyrite and pyrrhotite.

In 1987 and 1988, the area was prospected and sampled as the Roy claims. In 2005, the area was prospected as the Slesse Creek property. In early 2008, the area was prospected as the Silesia 1-2 claims. During 2008 through 2012, Wedge Resources completed programs of rock, soil and silt sampling and a 0.6 line-kilometre ground magnetic survey on the area.