saffron), minerals (lead carbonate, calamine, stibnite, copper oxide) and one animal substance (castoreum). The Malabathrinum papyrus (P.Vindob. G 35250, Herakleopolis/Middle Egypt, 5th century CE ...

Carbonate of ammonia is occasionally used in the preparation of bread, and being a very volatile body, rises as a gas, and diffuses ii self through ... Sulphate of copper or blue vitriol, which ...

"The Prince Silver project is a near surface silver-gold-zinc carbonate replacement deposit ... is the large-scale Ely-Robinson-Ruth porphyry copper-gold deposit with measured and indicated ...

President Trump on Tuesday directed his Commerce secretary to investigate the need for possible tariffs on copper, the latest industry to potentially be targeted by Trump’s sweeping trade agenda.

Commerce Secretary Howard Lutnick said President Trump plans to introduce steep tariffs on copper imports after he directed Cabinet officials to investigate the country’s ability to rely on its ...

BHP (ASX: BHP) continues its global search for copper to meet soaring demand driven by the energy transition, but a shortage of high-quality deposits— particularly in stable jurisdictions ...

BEIJING, Feb 26 (Reuters) - U.S. President Donald Trump on Tuesday ordered a probe into possible tariffs on copper imports to rebuild U.S. production of a metal critical to electric vehicles ...

Journal Editorial Report: The week's best and worst from Kim Strassel, Allysia Finley and Kyle Peterson. Photo: Karla Ann Cote/Zuma Press/Saul Loeb/AFP/Getty Images/Lev Radin/Zuma Press As a ...

President Donald Trump ordered the Commerce secretary to compile a report about whether U.S. reliance on foreign copper threatens national security. In his order, the president sought policy ...

President Donald Trump signed an executive order on Tuesday instructing the Department of Commerce to investigate whether to impose tariffs on copper and derivative products, key industrial ...

Tariffs, if they are imposed, could boost U.S. production of a valuable resource but also raise costs for automakers, construction companies and others. By Ana Swanson and Shawn McCreesh Ana ...

China's growing copper reserves have caught the eye of President Donald Trump, who on Tuesday ordered an investigation into what administration officials say is Beijing's move to "gain control of ...