The area of the Seraphim showing is underlain by the Late Triassic Seraphim Mountain Pluton.
In 1989, Corona Corporation prospected the NWG 1-5 claim group, of the Inhini property, collecting 53 rock samples. In 1990, Link Resources Inc. carried out a 700-kilometre airborne magnetic and EM survey over the entire Inhini Property (Assessment Report 20972).
Several areas of mineralized (galena, sphalerite, tetrahedrite, chalcopyrite) quartz vein float were located on the NWG claims. Only the Seraphim quartz vein occurrence could be located in situ. Two other areas of mineralized boulders were identified. One has an apparent source under ice and the other was derived off the east side of the property. All mineralization is in narrow quartz healed shear veins in the granodiorite pluton.
Two narrow (less than 25 centimetres) parallel massive sulfide-bearing quartz veins occur within a flat-lying shear zone (up to 1 metre wide) cutting a large coastal granodiorite pluton. No alteration or mineralization occurs in the granodiorite away from the shear zone.
The veins can be traced for 30 metres along strike to the edge of a cliff. Mineralization consists of massive coarse-grained galena, with interstitial pyrite, tetrahedrite and chalcopyrite. Malachite covers all exposed surfaces.
Several grab samples were taken on these veins, and although narrow, the silver values ran up to 18000.15 grams per tonne silver, 1.4 grams per tonne gold, 5.77 per cent copper, 33.0 per cent lead and 1.99 per cent zinc (sample 82205, Assessment Report 19968).