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Near the surface.
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Why is open pit mining is used?
like strip mining open-pit mining involves removing the surface layer of soil. Miners then use explosives to break up the underlying rock and recover the ore. As they dig a deep hole or pit to mine the ore they build roads up on the sides of the pit. Trucks carry the ore to the surface. Ores of copper and iron are obtained by open-pit mining. (read in earth science book by Mcdougal Littell.)
What mining method is used to extract ore from beneath the earths surface?
Deep shaft mining, open-cast mining & adit mining.
What type of mining is used to extract veins of ore deposits from the ground?
Open Pit Mining
What method is used to obtain the mineral deposit located just below the surface of the ground?
It's called 'open cast' mining. Usually bulldozers are used to remove the topsoil, so that the diggers can get at the product to be mined. Once the supply is used up, the topsoil is normally replaced, removing all trace that mining took place.
What is used when ore is too deep within earth to be surface mined?
To recover subsurface ores, we use the techniques of underground mining. We sink or extend a shaft to follow the strata that contains the materials we wish to mine and process.
The person who first introduced the idea of open-pit mining was?
The idea of open-pit mining was first introduced by the Romans in ancient times. They used this method to extract ores such as copper and iron.
What are the steps of mining smelting and refining that are used to extract minerals or elements from ores?
Pooping :3
Why is open pit mining is used?
like strip mining open-pit mining involves removing the surface layer of soil. Miners then use explosives to break up the underlying rock and recover the ore. As they dig a deep hole or pit to mine the ore they build roads up on the sides of the pit. Trucks carry the ore to the surface. Ores of copper and iron are obtained by open-pit mining. (read in earth science book by Mcdougal Littell.)
What type of mining is used to obtain gold?
Hardrock or Placer?
In what circumstances is deep mining used?
To obtain many minerals
What NAICS codes are used for ferroalloy ores?
NAICS Code(s) 212234 (Copper Ore and Nickel Ore Mining) 212299 (Other Metal Ore Mining)
What kind of machines are used in mining and drilling?
For coal or many other non-metallic ores, you will need crusher or grinding machines. For metallic ores you need a magnetic separation machine.
Describe the steps of mining smelting and refining that are used to extract minerals or elements from ores?
sck the dck form the teacher
Who introduced the idea of open pit mining?
The idea of open pit mining has been utilized throughout centuries by various civilizations. However, it is difficult to attribute its introduction to a single individual. Ancient cultures such as the Romans, Egyptians, and Greeks all practiced open pit mining in different forms for mining minerals and ores.
What are two reasons why open-pit mines are more common in western Canada than underground mines?
Open pit mining is used when the materials being mined are closer to the surface. It is safer to do open pit mining than it is to do underground mining. Underground mining is only used for mining hard minerals.
What mining method is used to extract ore from beneath the earths surface?
Deep shaft mining, open-cast mining & adit mining.
What type of mining is used to extract veins of ore deposits from the ground?
Open Pit Mining
