The Marmot showing is situated on an upper ridge side east of Ecstall River, 59 kilometres west-southwest of Kitimat and 67 kilometres southeast of Prince Rupert.

The showing is within the Ecstall belt, a north-northwest trending, high-grade metamorphic belt bounded by the elongate mid-Cretaceous Ecstall pluton on the west and the Paleocene Quottoon pluton on the east (Aldrick 2001). Gareau (1991a) divided stratified rocks of the belt into four principal units: metavolcanic rocks, metasedimentary rocks, quartzite and layered gneiss.

Kingfisher Resources Ltd.'s 2019 exploration program was designed to test the area where possible for mineralized rhyolite horizons. The program included several contour soil lines consisting of 110 samples. Rock sampling consisted of 28 samples and was focused on altered quartz-sericite rhyolite schists. At the north end of the Marmot Zone, sampling returned up to 58 parts per billion Au (sample 3440021) in rusted rhyolites with laminated sulfides and 662 parts per million Zn (sample 3440028) in rusted volcanics with up to 30 per cent massive pyrite (Assessment Report 38705).

The Marmot showing was part of a 2019 airborne VTEM survey conducted over Kingfisher's Ecstall property (Assessment Report 39155).