Uranium mine with copper, cobalt and nickel ores, 1915-1960.
About 656 m.y. ago the first important amounts of uranium, cobalt, nickel, iron and copper were deposited. 602 m.y ago a second era of uranium, cobalt and copper formation took place in which curiously nickel is absent. From then on until the present days the primary minerals are changed into secondary minerals.
Refs.:
- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 875, 914, 928, 929, 983, 989.
- Mineralogical Record: 20: 287-288.
- Leydet, J.C. (2006). "Shinkolobwe (République Démocratique du Congo)." Le Cahier des Micromonteurs(93): 86-88.
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Map Reference: 11°10'S , 26°40'E
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Mineral List:132 entries listed. 123 valid minerals. 34 type localities (valid minerals). 1 type locality (other).
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