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pro vyhledávání: '"Jean Ruzindana Munana"'
Autor:
Bernd Lehmann, Jean de la Paix Ngizimana, Stefan Halder, Michael Biryabarema, Jean Ruzindana Munana
Publikováno v:
Journal of Geochemical Exploration. 144:528-538
The Neoproterozoic granitic rare-metal pegmatites of the Gatumba mining district in western Rwanda have very low base-metal and sulfide content, and are very low in arsenic or other hazardous metals. However, their hydrothermal halos display slight e