What was most of the silver deep underground in rich streaks of ore called?
What was most of the silver deep underground in rich streaks of ore called?
What was most of the silver deep underground in rich streaks of ore called?
What was most of the silver deep underground in rich streaks of ore called?
in a chest deep in the forbidden forest
deep mining
hard rock mining, underground mining
The very thick liquid found deep underground is called crude oil. It is refined to produce various petroleum products such as gasoline, diesel, and jet fuel.
Surface mining is MUCH less expensive than underground mining. Usually. In some cases, underground mining is used because the substance being mined is just too deep to have a surface mine. I was just in a silver mine that is more than 5,000 feet deep. If the mine had to remove a mile of rock to get to the silver, it would not be worth mining. In THAT case, underground mining is less costly.
The type of mining used to extract a vein of ore from deep underground is known as underground mining. This method involves creating tunnels and shafts to access and extract mineral deposits located deep within the earth. The two main types of underground mining are called shaft mining and drift mining.
This type of mining is called underground mining. Miners access the ore through tunnels and shafts dug beneath the surface of the Earth. It is often used when the ore deposits are located deep underground.
False, the focus is located deep underground. The epicenter is at ground level
A Burrow or Underground hole is often dug just deep enough to fit the family.