THE advances in the assay of the precious metals of late years have been directed mainly ... Platinum, and the Platinum Group Metals in Ores, Bullion, and Products. By E. A. Smith. Pp. xv + 460 ...

A new gold extraction method turns old electronics into treasure using pool disinfectant and sunlight — no poisons required.

The new process marks a significant departure from traditional methods that rely on cyanide and mercury — substances ...

This article was originally published with the title “ The Amalgamation of Ores of the Precious Metals ” in Scientific American Magazine Vol. 26 No. 11 (March 1872), p. 168 doi:10.1038 ...

Gold extraction has relied on highly toxic chemicals such as cyanide and mercury, which are infamous for causing severe environmental damage.

Ore and conveyor belt aerial. getty. ... Gold is going up and so will silver, but if precious metals switch to boom/bubble as it looks like, then silver will go into overdrive.

In 2014, a team of researchers led by Martin Elvis attempted to estimate the number of near-Earth asteroids that contain precious metal ores. The new team, led by independent researcher and ...

Andean Precious Metals Corp. has entered into a Sale and Purchase Agreement to acquire up to 7 million tonnes of oxide ore with Corporacion Minera de Bolivia, a Bolivian state-owned mining company ...

Andean Precious Metals Enters into an Exclusive Long-Term Agreement with COMIBOL to Purchase up to 7 Million Tonnes of Oxide Ore Newsfile Corp. Mon, Jun 2, 2025, 7:30 AM 6 min read ...

At a rough estimate, provided by Chennamangalam to New Scientist, there could be over $1 trillion' worth of precious platinum and other metals. “Today, astronomy is done to satiate our curiosity ...