Kazakhstan's classification system for resources and reserves quite different from recognized international systems such as Australia's JORC Code and Canada’s N1 43-101. Kazakhstan still uses the former Soviet system which categorizes minerals according to the degree to which they have been explored and substantiated (A, B, C1, C2 and P1, P2, P3) on an economic value basis: e.g. "balance reserves" (commercial reserves) and "off balance" (lacking commercial potential). Reserves are subject to approval by the State Reserves Commission without which extraction cannot be started... More: Mining laws of Kazakhstan
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