Pyroxene Group from selected localities.
Canada | |
| Satterly J. (1971) Some Radioactive Mineral Occurrences in the Counties or Districts of Frontenac, Haliburton, Hastings, Manitoulin, Nipissing, Parry Sound, Peterborough and Renfrew, Ontario Department of Mines, Open File Report 5057, p.11-12. |
| gsc paper 70-50 |