Look at a geophysical technique

Geophysical techniques are used in the mining industry to find ore bodies or other resources. Here you should look at how one technique is used to find either a gold or iron deposit. (I would prefer you to do iron deposits). Magnetics, Seismic, and gravity are examples of techniques.You should, in a couple of sentences, describe the technique. You should also explain how it is used to detect the deposit.Length should be around 300 words, not counting citations.
Please cite your sources using either APA or MLA.

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