The Sun claims are located about 3 kilometres southeast of Kitchener, on a steep north-facing slope between Russell Creek and Birch Creek; access is by bulldozed trail leading south from Kitchener.
The area is underlain by sedimentary rocks of the Middle Aldridge Formation and dioritic intrusions of the Moyie intrusions, both belonging to the Purcell Supergroup of Middle Proterozoic age. Hostrocks are described as quartzites, in part calcareous, and thinly bedded shales with a varve-like appearance. The strike is due north with a gentle east dip at about 30 degrees. Folding on an east-west axis is evident, and may have controlled east-west fracturing that hosts the mineralization.
The area of the claims covers some showings known since before the turn of the century, which consist of a number of east-west trending fractures which exhibit scattered areas of galena and sphalerite. The individual veins range in thickness from 5 to 15 centimetres and are contained in an area of about 100 by 200 metres. Numerous quartz veins and veinlets are also located in this area. Two adits were driven below and across the veins in the late 1930s. Recent work by Cominco discovered north-striking wacke beds that contain pyrrhotite and elevated lead and zinc; however, no economic occurrences of mineralization were found.
Geochemical surveys in more recent times (Assessment Reports 12239, 14623 and 18154) have disclosed strong geochemical anomalies for lead (over 1000 parts per million) but only weak anomalies for zinc. Rock specimens assayed indicated anomalous silver is associated with the galena. Geophysical surveys by Cominco using the UTEM (University of Toronto electromagnetic) system failed to show any conductors.
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.