The Emerald Lake Prospect was reported to have only been worked on by Joburke Gold Mines, Limited, who staked claim No. S113113. Explorations in this area had consisted of six surface diamond drill holes, totalling 641 feet in length. Results from the core indicated only medium to fine grained of highly fractured diabase. It was stated that the claim was located on the mainland, just east of the largest island on Emerald Lake, Afton Township.