The Senasael showing is situated a little over a kilometre west of Kitchener, about 300 metres above the railway and on the north slope of the hill; the workings consisted (in 1940) of four opencuts distributed down the hill in a westerly direction. All the cuts are in a flat-lying gabbro sill of the Moyie intrusions, probably not over 30 metres thick although only the upper contact is well exposed. The sill is intruded into sedimentary rocks of the Lower Aldridge Formation (Ramparts facies of Brown and Stinson - Fieldwork 1994, page 113) that mainly comprise quartzitic wackes. Both the sedimentary rocks and the gabbro belong to the Purcell Supergroup of Middle Proterozoic age.
The showings consist of a quartz-calcite vein, dipping at a high angle and cutting across the sill. The vein is up to 2.4 metres wide at the upper contact of the gabbro, where it is well mineralized with chalcopyrite. The vein terminates abruptly against the overlying sediments and tapers with decreasing sulphide content in the other direction to become very narrow and almost barren in the centre of the sill. Near the bottom of the sill the vein widens but there is no increase in sulphide content.
During 2004 through 2012, Eagle Plains Resources Ltd. completed programs of geological mapping, geochemical (soil and rock) sampling and airborne geophysical surveys on the area as apart of the Iron Range property. A completed property exploration history can be found at the O-Ray (MINFILE 082FSE017) occurrence.