The world holds several hundred active gold mines, but not all are created equal. The world’s largest gold operation by production is Barrick Gold (TSX:ABX,NYSE:GOLD) and Newmont's (TSX:NGT,NYSE:NEM) ...

All three gold zone intersects from drill hole GR 23-01 reported anomalous silver levels, averaging 0.79 ppm. By consolidating the silver content with the gold zone intersects, which averaged at 3.33 ...

Marine placer deposits and sea-level changes / Hermann Rudolf Kudrass -- Light heavy minerals on the Indian continental shelf, including beaches / G. Victor Rajamanickam -- Tin placer deposits on ...

The Weaver Mining district in Yavapai County has a well-known history of placer gold production. Composed of old granite intrusives through schist, Rich Hill — between the deeply eroded canyons at ...

Forty-five miles southeast of Tucson on the east slope of the Santa Rita Mountains are the Greaterville gold placers, discovered by A. Smith in 1874. The deposit, at 5,280-feet elevation, became the ...

Current Science is a fortnightly journal published since 1932 by the Current Science Association, Bangalore (India) in collaboration with the Indian Academy of Sciences. The journal covers all ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

One thing that has remained consistent through the past century-plus of Fairbanks history is that there’s gold in them there hills. Since Felix Pedro found gold in 1902, the precious metal has been ...