Table of Contents
- 1 What do you mean by shaft mine?
- 2 What is coal mine simple definition?
- 3 What is the meaning of my mine?
- 4 What is shaft mining for example?
- 5 What is another name for coal mine?
- 6 Where are coal mines?
- 7 What is the purpose of shaft mine?
- 8 What are examples of shafts?
- 9 Which is the best definition of the word mineshaft?
- 10 What is a service cage in a shaft mine?
What do you mean by shaft mine?
Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom. When the top of the excavation is the ground surface, it is referred to as a shaft; when the top of the excavation is underground, it is called a winze or a sub-shaft.
What is coal mine simple definition?
A coal mine is a place where coal is dug out of the ground.
What is the meaning of my mine?
1 something or someone belonging to or associated with me. mine is best.
How is shaft mining done?
Shaft mining is the process where miners dig straight down, or almost straight down, until they reach their desired depth. Then the mine begins to branch out in all directions. Miners will enter or exit a mine through a lift or elevator installed where the initial vertical tunnel was originally.
What is underground mine?
Underground mining is used to extract ore from below the surface of the earth safely, economically and with as little waste as possible. The entry from the surface to an underground mine may be through a horizontal or vertical tunnel, known as an adit, shaft or decline.
What is shaft mining for example?
Shaft mining is a form of underground mining using shafts driven vertically from the top down into the earth to access ore or minerals. Shaft mining, also termed shaft sinking, is particularly ideal for concentrated mineral deposits, such as iron or coal, that are deeply imbedded underground.
What is another name for coal mine?
What is another word for coal mine?
| mine | quarry |
|---|---|
| lode | seam |
| coalfield | goldfield |
| opencast mine | open-pit mine |
| strip mine |
Where are coal mines?
Coal is mainly found in three regions: the Appalachian coal region, the Interior coal region, and the Western coal region (includes the Powder River Basin). The two largest coal mines in the United States are the North Antelope Rochelle and Black Thunder mines in Wyoming.
Have you mine meaning?
Asking someone if the person is theirs is like asking if they’re a loyal to them… confirming the are together romantically.
What is mine Short answer?
Mining is the extraction (removal) of minerals and metals from earth. Manganese, tantalum, cassiterite, copper, tin, nickel, bauxite (aluminum ore), iron ore, gold, silver, and diamonds are just some examples of what is mined.
What is the purpose of shaft mine?
The mining industry has been the primary constructor of shafts, because at many locations these are essential for access to ore, for ventilation, and for material transport. Depths of several thousand feet are common. In public-works projects, such as sewer tunnels, shafts are usually…
What are examples of shafts?
The definition of a shaft is a long, narrow handle or a long narrow part of something, a sudden bolt of light or a sudden flash of some feeling. The long narrow handle of a golf club is an example of a shaft. A long narrow mine shaft or a vertical elevator shaft are both examples of a shaft.
Which is the best definition of the word mineshaft?
Noun. 1. mineshaft – excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine. excavation – a hole in the ground made by excavating. mine – excavation in the earth from which ores and minerals are extracted.
What do you need to know about shaft mining?
Mining is a physically draining profession. Shaft mining—also referred to as shaft sinking—is a type of mining process used to vertically gain access to an underground mining facility. There are many different components which make up the shaft, all of which play a very important role in the mining process.
What does air shaft mean in a mine?
This is a loose term implying any fatal gas in a mine after an explosion or fire. Air Shaft – A vertical opening into a mine for the passage of air. Airway – Any passage in a mine along which an air current moves.
What is a service cage in a shaft mine?
The vertical central shaft of a shaft mine is known as a service cage and is typically used for transporting personnel. Much like a tree, the service cage will have multiple branches extending off of it.