The Nikki showing is located along the Canada-United States of America boundary, 7 kilometres south-southeast of Richter Mountain. The showing was staked in 1969 as the Cam and BB claims by M.V. Nixon. In 1973, the showing and surrounding area were restaked as the Nikki claims owned by Bonavista Mining Corp. Ltd. The Nikki occurrence is hosted by roof pendants of metasediments and metavolcanics of the Carboniferous to Permian Kobau Group. These roof pendants are surrounded by granite and granodiorite of the Similkameen intrusion and syenite of the Kruger pluton.
During 1969, several quartz veins were discovered and trenched on the former Cam 13,14,27 and 28 claims. The veins are 0.6 to 3.0 metres wide and form a northeast-trending belt which curves eastward to the north near the Similkameen intrusion. The best trench, on the Cam 13 claim 120 metres north of the Canada-United States boundary, exposed a 1.8-metre wide quartz vein over 7.6 metres strike length. The veins are reported to carry copper, lead, zinc and silver values. A channel sample of this vein yielded 0.34 gram per tonne gold, 137 grams per tonne silver and 6 per cent lead (Assessment Report 2219).
The veins are similar to quartz veins to the south across the International boundary. The combined strike length of these veins is 2134 metres over 121 metres width.