    The formulation of the mineral industry index shall include the customer's power of attorney and the industrial indicator proposal and related materials provided by the geological exploration unit.
    Static industrial indicators should be formulated according to the index system of the grade grade, the lowest industrial grade, the average grade of the deposit, the minimum recoverable thickness, and the thickness of the stone. If necessary, increase the stripping ratio, m percentile, ore ratio, content associated useful components, harmful components allow targeted content item indicators, division standard grade, oxidation rate, silicon aluminum ratio; for a variety of Mineral deposits with symbiotic components can be used to develop comprehensive industrial indicators.
    When demarcating the ore body, the boundary grade is applied to a single sample; the minimum industrial grade is suitable for single project or sample section, and can also be used for small sections; the minimum recoverable thickness and the thickness of the stone removal should be the true thickness of the ore body in the project.
    The formulation of the mineral industry index shall be calculated on the basis of the resource reserves of the entire deposit. When the conditions are not available, the representative and relatively high-level main ore bodies and resource reserves should be selected for trial calculation. The ratio of the reserves in the trial calculation to the total reserves of the deposit should not be less than 60% .
    Static industrial indicators should be formulated according to the index system of the grade grade, the lowest industrial grade, the average grade of the deposit, the minimum recoverable thickness, and the thickness of the stone. If necessary, increase the stripping ratio, m percentile, ore ratio, content associated useful components, harmful components allow targeted content item indicators, division standard grade, oxidation rate, silicon aluminum ratio; for a variety of Mineral deposits with symbiotic components can be used to develop comprehensive industrial indicators.
    When demarcating the ore body, the boundary grade is applied to a single sample; the minimum industrial grade is suitable for single project or sample section, and can also be used for small sections; the minimum recoverable thickness and the thickness of the stone removal should be the true thickness of the ore body in the project.
    The formulation of the mineral industry index shall be calculated on the basis of the resource reserves of the entire deposit. When the conditions are not available, the representative and relatively high-level main ore bodies and resource reserves should be selected for trial calculation. The ratio of the reserves in the trial calculation to the total reserves of the deposit should not be less than 60% .
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