Assay


April 08, 2022

The Assay Process

How did the individual prospector roaming the hillsides with his burro, pan, and pick know if he had found economically valuable ore?  How did a mining company know if the ore produced could earn a profit for the company? They both depended on chemical assays. Every prospector knew how to do a “field assay” to determine the worth of his ore.  Mining companies employed an assayer working in a well-equipped assay office to complete the task.

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