CICERO, Ind. (Hamilton County Reporter) — Dean Caldwell of Cicero has been mining opal and obsidian for six months of the year in Mexico for the last 15 years. Last year, he pulled an opal out of the ...

In the U.S., rare earth elements have surged in demand due to a bitter trade war with China, which controls about 90 percent of the world’s supply. For the first time in 70 years, a new rare earths ...

Some countries, including the U.S., want to mine the seafloor for rare earth elements used in smartphones and electric cars. But other nations are concerned about the environmental impact.

Along certain parts of the ocean floor lies a bounty of rare minerals and metals, critical components for batteries, electric cars and other electronics. But mining for them in the deep sea is a ...

The company plans to allocate between $150m (C$208.46m) and $170m to a project in Chile and around $600m to a mine in Brazil.