The Cabin 1 occurrence is located at the headwaters of Jim May Creek near the western edge of the Omineca Belt, approximately 50 kilometres northwest of the community of Germansen Landing.

The area is underlain by grey quartzite and siliceous sericite schist of the Neoproterozoic Swannell Formation (Ingenika Group) which have been intruded by an unnamed unit of Paleogene to Neogene felsic intrusive rocks.

Locally, argillites host quartz veins varying up to 0.3 metre wide, trending 140 to 160 degrees, with pyrite patches and a grey (unidentified) sulphide material. In 1987, rock chip samples yielded values up to 22.4 grams per tonne silver and 0.114 per cent lead (Assessment Report 17458).

In 1987, Skylark Resources completed a program of rock, silt and soil sampling and geological mapping on the area as the Cabin 1-2 claims.

In 2001, L.B. Warren completed a program of geological mapping and rock and soil sampling on the area as the Jimmay property. During 2010 through 2012, Brocade Metals completed programs of prospecting, trenching and geochemical sampling on the area as the Ruby claims.