average assay value

average assay value

[′av·rij ′a‚sā ‚val·yü]
(mining engineering)
The weighted result of assays obtained from a number of samples by multiplying the assay value of each sample by the width or thickness of the ore face over which it is taken and dividing the sum of these products by the total width of cross section sampled.
References in periodicals archive ?
"Above 306m depth, these assays include significant intervals with average assay values above 1.5 g/t Au totaling 87 m at 2.04 g/t Au and above 0.4 g/t Au totaling 127 m at 1.57 g/t Au.
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