|
Canada | |
| Chudy T, Groat L, Cempírek J (2014) The magmatic evolution of the Fir carbonatite system and implications for Ta enrichment in carbonatites. 21 st meeting of the International Mineralogical Association. p 73 |
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USA | |
- Libby Mining District (Snowshoe Mining District)
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 American Mineralogist, Volume 88, pages 1955–1969, 2003 Lowers, H.A., Wilson, S.A., Hoefen, T.M., Benzel, W.M., and Meeker, G.P., 2012, Preparation and characterization of “Libby Amphibole” toxicological testing material: U.S. Geological Survey Open-File Report 2012–1012, 20 p. |
- Rainy Creek Mining District
| Sanchez, Matthew S., Gunter, Mickey E., Dyar, M. Darby (2008) Characterization of historical amphibole samples from the former vermiculite mine near Libby, Montana, U.S.A. European Journal of Mineralogy, 20 (6) 1043-1053 doi:10.1127/0935-1221/2008/0020-1866 |
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |