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Gy Formula Sampling Error Calculator
Calculate maximum relative error for mineral sampling using Pierre Gy's sampling theory
Input Parameters
Confidence Level (as decimal)
Elemental Assay of Ore (as decimal)
Elemental Assay of Mineral (as decimal)
Liberation Size (cm)
N - No
Y - Yes
Alluvial Gold
Mineral Density (t/m³)
Gangue Density (t/m³)
Number of Sampling Stages
Sampling Stages
Stage 1
Top Size (cm)
F95/F5 Ratio
Sample Mass (g)
Stage 2
Top Size (cm)
F95/F5 Ratio
Sample Mass (g)
Stage 3
Top Size (cm)
F95/F5 Ratio
Sample Mass (g)
Stage 4
Top Size (cm)
F95/F5 Ratio
Sample Mass (g)
Calculate GY Error
Results
Sampling Stage
Top Size (cm)
Sample Mass (g)
GY Error (%)