Ref.: Geological Survey of Canada Miscellaneous Report 39.
In pegmatite dyke cutting amphibolite.
"The deposit was worked between 1920 and 1924 from a pit (15 m by 9 m and 8 m deep) by Messrs. Dillon and Mills, by the Feldspar Mines Corporation and P.J. Dwyer. Two carloads of feldspar were shipped from the deposit."