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hand sampling |
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a. In prospecting, valuation, and control, use of manual methods for
detaching and reducing to an appropriate size representative samples of
ore. Pryor, 3
b. One of the major breakdowns in ore sampling that includes grab
sampling, trench or channel sampling, fractional selection, coning and
quartering, and pipe sampling. These methods are used in sampling small
batches of ore, etc. CF: mechanical sampling
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