Uraninite from selected localities.
Canada | |
| Ellsworth H.V. 1921. Radium-Bearing Pegmatites of Ontario, Geological Survey of Canada, Summary Report D, P.67. http://www.geologyontario.mndm.gov.on.ca/mndmfiles/mdi/data/records/MDI31F05SE00004.html |
Donald F. Hewitt 1967 | |
Can Mineral December 1960 v. 6 no. 4 p. 513-521 | |
| Ellsworth H.V. (1921). Radium-Bearing Pegmatites of Ontario, Geological Survey of Canada, Summary Report D, P.67. Storey C.C. and Vos M.A. (1981) Industrial minerals of the Pembroke-Renfrew area, Ontario Geological Survey, Mineral Deposit Circular 22, pt.2, p.32. |