Question:
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?
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
Show Solution
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The Correct Option is D
Solution and Explanation
Step 1: Recall the UNFC classification.
UNFC classifies mineral deposits based on economic viability, feasibility, and geological confidence.
Step 2: Identify the highest confidence category. The category with the highest geological confidence and confirmed economic viability is \[ \boxed{\text{Proven + Probable Reserves}.} \] Hence, \[ \boxed{(D)} \] is the correct answer.
Step 2: Identify the highest confidence category. The category with the highest geological confidence and confirmed economic viability is \[ \boxed{\text{Proven + Probable Reserves}.} \] Hence, \[ \boxed{(D)} \] is the correct answer.
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