Souther (GSC Paper 71-44, page 24) describes a large alteration zone containing copper mineralization on the upper parts of both forks of Yehiniko Creek. This is apparently related to a north- south trending fault zone.
The upper west fork of Yehiniko Creek is underlain mainly by Upper Triassic volcanics and sediments. These are intruded near the fault zone by Middle to Late Triassic hornblende diorite of the Nightout pluton.
Consolidated Gold Win Ventures Inc. explored the property in 1998.