In the Haycock Mine the iron mineralization is related to veins adjacent to which is a zone of fenitization. This involves development of phlogopite, eckermannite, apatite, aegirine, hematite, calcite, baryte and quartz. Thought to be contemporaneous with the Meach Lake carbonatites.
HOGARTH, D.D. and MOORE, J.M. 1972. Geology of the National Capital area. 24th International Geological Congress, Montreal, Excursion Guide, B-23 to B-27: 14-5.