Good Post on Porphyry DepositsGood post from the Pilot Gold board on the nature of porphyry deposits. They are the largest gold copper gold deposits in the world, but the gold is often low-grade. This is the main reason the extraction methods are so critical to EGX's success. Improving recovery rates even a percentage point makes a huge difference to the bottom line.
https://www.stockhouse.com/companies/bullboard/t.plg/pilot-gold-inc?postid=22678026