The Fissure is located about 1.5 kilometres northwest of the True Fissure (082KNW030). Mineralized quartz veins occur within phyllites of the Lardeau Group. To the south of this mineralized area, on the former Woods property, an adit was driven to investigate blood-red hematite.
In 1988 and 1989, Halley Resources Ltd. and Newfields Minerals Ltd. conducted road construction, geophysical surveys, overburden drilling and diamond drilling (13 holes, totalling 983.7 metres) to test geochemical anomalies found by Westmin Resources Ltd. Overburden drill samples returned assays up to 210.5 grams per tonne silver, 0.66 per cent copper and 0.58 per cent zinc (Assessment Report 19181).
In 2006, Taranis Resources Inc. conducted an exploration program of the property containing the occurrence. The program included various sampling, a total field magnetic survey, and VLF-EM survey.
In 2007, Taranis Resources Inc. conducted a total of 29.1 line-kilometres of grid fixed loop transient EM geophysical survey. Six anomalies were discovered across the property.
In 2012, Taranis Resources Inc. conducted a total field, gradiometer and VLF-EM geophysical surveys across the property containing the occurrence. Soil sampling was conducted over the Great Northern Grid, and the Meadow Grid. Anomalies from the surveys were coincident with geophysical, and historical work. Geological mapping found five zones on the Thor property. Thor property. The SIF Zone, Gold Pit Occurrence, Scab Zone, Antiform Zone, and Great Northern Footwall Zone.