Australia Snapshot: Eight companies to watch

It is already being called by some experts “the thickest high-grade copper intersection seen in years.”

In the case of Rainbow Mountain, those in favor of conservation appear to have won out.

The inferred resource of 381 million tonnes was based on 98 diamond drill holes Eldorado completed mainly in 2017 and 2018 and a further 17 drill holes by European Goldfields between 2002 and 2004.

The planned industrial action is part of a longstanding dispute after Grupo Mexico fired the mine's workforce and reopened it in 2010.

Rio's interest in the area has sparked a stampede into adjacent lots by other explorers, who see Rio's aggressive activity as an indicator of a highly promising find.

Mining vast untapped reserves of bauxite, phosphate, gold, copper and uranium is key to the Saudi Arabia's efforts to diversify its economy away from hydrocarbons.

Over its almost 18-year mine life, Santo Domingo is expected to produce an average of 134-million pounds a year of copper, 4.2-million tonnes a year of iron concentrates and 17,000 annual ounces of gold.

By analyzing the age of known deposits, researchers get clues of where to find unexplored ones.

The Chapitos project is located in the Peruvian Iron Oxide Copper Gold belt.