Can metal detectors estimate the amount of metal detected?

Question by rollobomb2256: Can metal detectors estimate the amount of metal detected?
Can any modern metal detectors (civilian or otherwise) estimate the amount of metal it is detecting?

If this is true, can it also detect the amount of each individual metal it detects?

Example: If a penny was buried, could a metal detector tell the user that it detects X amount of copper, etc?


Best answer:
Answer by dvandomYes, to a point. Metal detectors send out a magnetic pulse, which induces a

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