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 ?
The average assay value of 164 rock chip-channel and grab samples is 9.
Two meter interval channel samples in TC6 taken from 17 meters to 25 meters returned a weighted average assay value of 3.
Above 306m depth, these assays include significant intervals with average assay values above 1.
One three-meter surface trench returned average assay values of 5.
The uncut, weighted average assay values of the 365 metre intercept are 0.
The average assay values of the four 500-foot vertical HQ cores at 5-foot intervals provided to date are shown in the table below.
Average Assay Values Drill Hole Primary Mineralized Cu Ni Co ppm Number Interval Percent Percent (Thickness in feet) 98-105B (0' to 25') 25' 0.
Previous samplings from this area have resulted in average assay values in excess of one ounce per ton.
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