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opertaion of ore mining machine

opertaion of ore mining machine

10 Different Types of Mining Operations and Mines Nayturr

Block Caving

Block caving is a general term and usually has to do with a mass mining system that relies on gravityto extract the ore deposits. A thin horizontal layer at the mining level of the ore column is removed, then due to gravity, the ore caves. One broken ore is removed from the ore columns mining level, while the ore above it continues to break and cave by gravity. The term block caving likely started in mines with porphyry copper in them, where it was mined by being divided into rectangular b...

Cut and Fill Mining

A method of short hole mining, cut and fill mining is used in irregular or steeply dipping ore zones, especially where the hanging wall limits the use of long held methods. The ore is mined either in slightly inclined or horizontal slices then it is filled with sand, waste rock, or tailings. This method is used in the construction of canals, roads, and even railways, and the amount of material from cuts matches the amount of fill required to make nearby embankments. This minimizes the amount...

Dredging

 Dredging involves the removal of material from one part of the water environment and the relocation of it to another. In most situations, the excavation is handled by specialist floating plants, called dredgers. Many different locations and many different purposes are associated with dredging, but the main purpose is normally the recovery of material th...

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It Creates Employment for a Lot of People Mining always creates both primary and secondary employment opportunities for people. The primary opportunities include numerous onsite jobs that are performed by local citizens. The secondary opportunities include specialized posts that require top notch experts from other countries. In fact, the mining business has allowed some countries to get rid of their unemployment altogether. It is an Economy Booster Both the local economy, in other words, the area where the mining is actually taking place, and the countrys economy are boosted when mining facilities are developed and utilized. These boosts include employee salaries, money from taxes and fees, royalties, and economic activity due to the purchase of goods and services. This enhanced economy also means better amenities because the government ends up having more money to spend. In other words, people and entities are making money, which is always good for the economy, both local and nat...

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 Mining enables the miners to possibly find something new and very valuable because they never know what might turn up while theyre digging. It also allows people to obtain useful elements that come with a significant profit, which cannot be overlooked. In addition, because coal is so readily available in the United States and many other parts of the world, especially when compared to other petrochemicals, it is easy to find and easy to utilize. Since most of the coal and metals found through mining are solids, they transport very easily and rarely cause any spills or other types of harm to the environment. These products also store very easily, and you can store them safely and in very large quantities. This means it is also easy to transport the products over long distances, and many different cities and municipalities can enjoy its benefits...

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Aquifer: A water bearing bed made up of sandstone or some other type of porous rock. Auger: A rotary drill with a screw device that is used to break, penetrate, and transport drilled material, which is usually coal. Cage: A device found in a mine shaft that looks like an elevator car and is used for hoisting materials and personnel. Kerf: A coal faces undercut. Nip: A device found at the end of a mining machines trailing cable that is used to connect the trailing cable to the ground and trolley wire. Outcrop: Coal that is found either near or at the surface. Roof Sag: This is when a roof sinks, curves, or bends from pressure or weight, particularly if it does so in the middle section. Seam: A bed or stratum of coal. Sounding: The process of knocking on a roof in order to determine whether it is safe and sound to work under.

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