Africa is known as a home to huge and expensive diamonds, and in this small village near Koidu, Sierra Leone, the world’s largest alluvial diamond was discovered. As a result of the high ...
JORC menjadi acuan internasional untuk mengukur sumber daya dan cadangan mineral suatu area tambang. Berdasarkan laporan tersebut, cadangan bijih Elang meningkat 79% secara tahunan, dari 1,4 miliar ...
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