Mining Engineering Practice Questions - PRC Mining Engineer Licensure Examination (Philippines) Exam

During geochemical sampling, what is the 'anomaly threshold' defined as?

The value representing the mean background concentration plus two standard deviations The absolute highest concentration of the target element detected in the region The detection limit of the analytical laboratory equipment The average concentration of the target element in the Earth's crust

Correct Answer:

The value representing the mean background concentration plus two standard deviations

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