3- Geophysics for Porphyry Copper Deposits- SW N. America- Mark Thoman, 2018

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IP geophysics exploration over porphyry copper deposits.

Presented by Mark Thoman (Freeport-McMoRan) at the 2018 Society of Exploration Geophysicists Conference, Porphyry Copper Workshop, held on October 18, 2018, in Anaheim California.

Video reproduced with presenters consent.
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The San Manuel deposit was detected with expanding Wenner-array IP/R (and 1-D horizontal layered earth interpretation) at a depth of 330 metres back in 1948 (Siegel, 1971). That was 70 years ago! The mine was operated during 1952-1999 and became the 700Mt largest underground copper mine during the 1980s with BHP-Billiton operation. We should never forget what methods worked in the past.

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