Pyrolusite from
Canada | |
| Trottier, J., Brown,A.C. & Authier, M.G. (1991) An Ordovician rift environment for the Memphremagog polymetallic massive sulphide deposit, Appalachian Ophiolite Belt, Quebec. Canadian Journal of Earth Sciences 28, 1887-1904. |
| Horváth, L., Gault, R.A., Pfenninger-Horváth, E., Poirier, G. (2019) Mont Saint-Hilaire: History, Geology, Mineralogy - Special Publication No. 14. The Canadian Mineralogist. |