copper deposit

My company is looking into some possible copper deposits in the mountains.

But it also raised costs of potential investment in new copper deposits.

In just four years, the silver began to give out, but by then copper deposits were discovered.

It was founded when copper deposits came into production in the early 1950s.

Copper deposits found along the river were important to the first peoples who lived there.

Mining is the main economic activity, as there are large copper deposits.

Now you'll have to be a rock detective and do further work to see if there is a copper deposit!

The deposit itself is one of the largest copper deposits in the world.

It was established after a discovery in 1842 of significant copper deposits.

The mining group still says this is “the greatest copper deposit ever found”.

They're the ones who don't find the copper deposits they are sent to find.

Did industry develop there because coal, oil or copper deposits were nearby?

It's one of the great copper deposits - perhaps the best outside the Andes.

It is the site of a large copper deposit.

Considerable potential exists for further gold and copper deposits of economic size to be developed.

World discoveries of new copper deposits are said to have peaked in 1996.

The major copper deposit is discovered close to Aktogay town.

This is confirmed by looking at her fingernails, these having turned blue from copper deposits.

However, it managed to survive despite exhaustion of its copper deposits.

This group conducted the first exploration of copper deposits and got encouraging results.

Copper deposits and trade routes were of particular interest.

It also contains a huge copper deposit which is currently being explored by the Chinese government.

Mining began at the site in the 1630s, when it was mistakenly thought to be a copper deposit.

The copper deposits are found in the older rocks of the Roan group.

After the Cliff mine exhausted the copper deposit, the town became deserted.