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According to the UNFC (United Nations Framework Classification) system, which category represents the highest level of geological confidence and economic viability for a mineral deposit?

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Resource confidence increases as \[ \boxed{ \text{Inferred} \rightarrow \text{Indicated} \rightarrow \text{Measured} \rightarrow \text{Proven/Probable Reserves}. } \]

Updated On: Jul 14, 2026

Inferred Resources
Indicated Resources
Measured Resources
Proven + Probable Reserves

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The Correct Option is D

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