The Clifton-Morenci mining district in eastern Arizona is sometimes referred to as the Copper Mountain mining district. But while known mainly for copper deposits, it also produced uncommon minerals.

As sea ice disappears and gives way to open water, the underwater light environment shifts from a broad spectrum of colors to a narrower, blue-dominated spectrum. This spectral change is crucial ...

The Verde Mining district grew to become one of the greatest copper producers in Arizona from 1883 until 1992. Two primary mines produced more than 99% of the district’s copper production ...

According to K Muniratnam Reddy, once the cleaning is complete, the epigraphy branch of the ASI will take estampages — exact impressions — of the copper plates for further study. These ...

The skies over Weifang burst into a carnival of colors this week as the 42nd International Kite Festival took flight on April 19 in the coastal city in Shandong province. Imagine looking up to see ...

In a new court filing, the Trump administration says it will reissue an environmental impact statement that would allow the government to swap land with Resolution Copper at Oak Flat. The land ...

The global copper market is flashing signs of tightness, as strong Chinese buying squeezes scant supplies even in the face of worries about a looming industrial downturn. It’s a counterintuitive ...

The global copper market is expected to see a significant surplus over the next two years as the negative impacts of US tariffs on demand outweigh supply growth, the International Copper Study ...

marking them as safe to use in food products and expanding the range of natural-source colors available to manufacturers. Health Secretary Robert F. Kennedy Jr. and FDA Commissioner Marty Makary ...

Apache Stronghold asked a federal judge to stop the Trump administration from moving ahead with plans to transfer sacred lands to Resolution Copper. The administration said in April it would push ...

As the winter season comes to an end, Woodward Copper is gearing up from another summer on snow. Offering the longest on-snow summer camp in the state, Woodward Copper provides skiers and riders with ...

Invest in the best copper stocks and the rest of the stock market with Interactive Brokers. Considered a “native metal” due to its natural occurrence in nature as a usable metal, copper has ...