The Yoko occurrence is located about 3 kilometres south-southeast of Niut Mountain and about 43 kilometre southeast of the community of Kleena Kleene.
The area of the Yoko showing is underlain by a pluton of the Upper Triassic Cadwallader Plutonic Suite consisting of tonalite, quartz diorite and diorite.
The Yoko showing was located in 2015. A grab sample (K289036) taken from propylitically altered granodiorite contained weak, finely disseminated and minor fracture-hosted chalcopyrite. The sample was angular and initially described as near source, from a 3 by 3 metres exposure within or near an unnamed creek. This sample yielded 0.04 gram per tonne gold, 0.056 per cent copper, 0.79 gram per tonne silver, and 0.0072 per cent molybdenum (Assessment Report 35815). This sample was of interest because a float sample (B678051) consisting of milky white quartz vein had been found in the same creek in 2006 which assayed 4.96 grams per tonne gold and 3.9 grams per tonne silver; insignificant values of lead (144 ppm), zinc (187 ppm), and copper (53 ppm) from the same sample were also obtained (Assessment Report 29245). The source of the vein has not been determined, and so was not assigned a MINFILE number.
WORK HISTORY
In 2006, ATAC Resources Ltd. staked the Buzz property (12 mineral tenures) to cover the historically anomalous areas, with 4 previously documented MINFILE occurrences: Fly (092N 056), Niut Mountain (092N 020), Clipboard (092N 065), and Rusty (092N 044). ATAC performed a brief exploration program comprising prospecting and stream sediment and contour soil geochemical sampling; 117 soil, 16 stream sediment, and 25 rock samples were collected during the two-day field program (Assessment Report 29245).
In 2015, Strategic Metals Ltd collected a total of 28 rock samples on the Buzz property from the Fly, Downs, and Niut Mountain showings (Assessment Report 35815). The other showings were not visited in 2015.
Refer to Fly (092N 056) for related geological and work history details of the Buzz property, parts of which were previously held as the Fly and Harvey property.