grab sample


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grab sample

[′grab ‚sam·pəl]
(mining engineering)
A random mode of sampling; the samples may be taken from the pile broken in the process of mining, or from a truck or car of ore or coal.
References in periodicals archive ?
Even the worst grab sample generated during the study was three to five times better than average septic effluent.
is working in Conmee Township where up to 28 grams of gold per tonne has been found through stripping, grab samples and diamond drilling.