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copper

PDAC 2016 Reflects Optimism in Gold Exploration

My take on this year’s show: Interest in both Exhibitors and Investors convention halls was active, excellent on the Investors side. I was really impressed by the high level of activity in the Investors hall during all four days of the convention. This is where I make many of my contacts. While much interest focused […]

Geophysical Case History of North Silver Bell, Arizona: a Supergene-Enriched Porphyry Copper Deposit

Publisher – Zonge, 1996. Authors – Mark W. Thoman, Regional Geologist, Minera Phelps Dodge Mexico, Tucson, Arizona Kenneth L. Zonge, President, Zonge Engineering and Research Organization, Tucson, Arizona Dexin Liu, Geophysicist, Zonge Engineering and Research Organization, Tucson, Arizona Paper – [pdf] Silver Bell Case History Introduction and Summary