Elementary Mine Sampling Certificate Exam Practice Questions - Elementary Certificate In Mine Sampling (South Africa) Exam

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Why is it mandatory for a sampler to extend sample cuts at least 5 to 10 cm into the immediate hanging wall and footwall waste rock?

To ensure the chisel does not get blunt on hard conglomerate To capture any fine gold or PGM mineralization that has migrated into wall rock fractures or subtle contact offshoots To increase the total weight of the sample bag so it meets lab minimum requirements To dilute high-grade assay results before sending them to the assay laboratory

Correct Answer:

To capture any fine gold or PGM mineralization that has migrated into wall rock fractures or subtle contact offshoots

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