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When will surface mining and subsurface mining be used?
Surface mining is used when mineral deposits are close to the surface, making it more cost-effective and efficient to extract them using methods like open-pit mining. Subsurface mining is employed when mineral deposits are buried deep underground, necessitating techniques such as shaft mining or drift mining to access them. The choice between surface and subsurface mining depends on factors such as the depth and location of the mineral deposits, environmental considerations, and cost-effectiveness.
What is surface mining?
Surface mining is a type of mining method where minerals or ores are extracted from the earth's surface using machinery and equipment. This method is used when the mineral deposits are found close to the surface, making it more cost-effective and efficient compared to underground mining. Surface mining can include open-pit mining, strip mining, and quarrying.
What must be dug into the earth to reach deeply buried ore?
To reach deeply buried ore, miners must dig shafts or tunnels into the earth, often employing techniques such as underground mining. This process involves excavating vertical or horizontal passages to access mineral deposits located far beneath the surface. The methods used depend on the depth and type of ore being extracted, as well as safety considerations. Proper planning and engineering are essential to ensure the stability of the excavated areas.
Why might an ore containing a valuable mineral might not be worth mining?
In some cases it will cost more to mine and refine the mineral than that mineral is worth. This can occur if the concentration of the mineral is too low, or if it is buried too deep to be accessed cost-effectively. In this case, the mineral resource is techincally not an ore, as by definition, an ore is a mineral resource that can be extracted at a profit.
How did large mining companies succeed?
Large mining companies succeeded by using machines to dig deeply for gold.
What is the definition for mining?
A mine where mineral is produced by tunneling into the earth to the bed of mineral ore, which is then mined with underground mining equipment.
What must be dug into earth to reach deeply buried ore?
To reach deeply buried ore, mining companies typically dig shafts or tunnels into the earth. These underground operations often require extensive excavation and the use of specialized equipment to ensure safety and efficiency. The process may involve the use of drilling, blasting, and hauling materials to extract the ore from deep within the earth.
Does a mineral reserve refers to the known deposits of the mineral that are worth mining?
yes
What is a mining method in which overlying rock material is stripped away to reveal mineral deposits is?
Surface mining is a method in which overlying rock material is stripped away to reveal mineral deposits. This type of mining is used when the mineral deposits are close to the surface, making it easier and more cost-effective to extract them. Examples of surface mining include open-pit mining and strip mining.
How large mining companies succeed?
Large mining companies succeeded by using machines to dig deeply for gold.
How are deposits of mineral ores removed from the earths crust?
Shaft mining or strip mining.
Does mining topaz affect the environment?
what are the environmental concerns surrounding the mining of the mineral topaz
