The area around the headwaters of Azure River has claimed attention for several years due to the discovery of large bodies of auriferous quartz in metasedimentary rocks of the Shuswap Metamorphic Complex. The Grizzley showing is located at the headwaters of Hobson (Fred Wells) Creek.

The Grizzley showing lies near the contact between the Hadrynian upper Kaza Group and the stratigraphically overlying Isaac Formation of the Hadrynian Cariboo Group. The ground covering the Grizzley showing is on the crest and northeast limb of a major anticline which plunges at a low angle to the northwest. The country rocks, striking 255 degrees, consist of massive quartzite, quartz pebble conglomerate, quartz-sericite schist, phyllite, argillite and limestone, of the Isaac Formation of the Hadrynian Cariboo Group. Lithologies of the Hadrynian upper Kaza Group consist of quartzofeldspathic psammite, phyllite, slate and minor grit.

The showing is located on the Grizzley claims, originally staked to cover the extension of mineralization on the Summit claim (083D 004) group which is located to the southeast on the summit of the divide above the north fork of Hobson Creek.

Several quartz bodies are exposed throughout the area. At the extreme west end of the Grizzley claims, one of these quartz bodies is exposed along the north side of the hill flanking one of the tributary streams of the south fork of Hobson Creek. It is conformable with the country rock and has considerable siderite associated with it. Another seam, about 70 centimetres wide, occupies a fracture perpendicular to the previous quartz body and contains patches of solid galena. Towards the eastern end of the showing trenching has exposed a conformable quartz body 60 to 90 metres long by 2.4 metres wide, containing galena and pyrite.

To the north a quartz body strikes northwest and is exposed over 107 metres length by 7.6 metres in width. Surface trenching has revealed fairly heavy arsenopyrite and galena mineralization. A sample from this vein assayed 5.8 grams per tonne gold, 157.7 grams per tonne silver, 7 per cent lead and 1.6 per cent zinc (Minister of Mines Annual Report 1929).