Geological evidence indicates that it was located west of the abandoned Sherman Mine and lies in the Archean Temagami Greenstone Belt.
A number of volcanic features have been found that suggests the volcano was located west of Sherman Mine.
[1] The existence of facies changes and remnants of lava movement exposed in the wedge of the Turtle Lake Formation are likely further indications that the volcano was located west of Link Lake.
[1] Also, jagged felsic tuffs exist in feldspar-phyric pyroclastic deposits exposed in the Sherman Mine area.
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