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Mining
Mining for coal is something that is widely known, but did you know that diamonds, uranium, copper, and other non-renewable natural resources are also mined? There are two types of mining; surface and subsurface. Questions about the methods and types of mining, what ores are mined, and related questions should be asked in this category.
4,677 Questions
How does mining help the community?
Mining earns money for the government. the government sells it to other countries, and it employs people.
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What does unprocessed gold from a mine look like?
Pieces of gold with silver inside of a vein of galena crystal, which is inside of a vein of Quartz crystal. The gold is usually in cubes and can vary from huge to microscopic.
Is uranium mined and processed you are a sustainable way?
1. Uranium reserves are not infinite.
2. Some disadvantages of uranium mining and processing:
- Uranium is a possible polluting agent of the natural environment.
- Uranium is a toxic and radioactive chemical element.
- Uranium release radium and radon.
How did hydraulic mining help in the gold rush?
They didn't have big equipment like so they would run a pipe up hill into a dammed up spot in the river and the pressure would wash away the banks of the hill and leave the heaver gold then they would sluice it and pan it they were able to move allot of earth that way and scared the land.
In Australia, major iron mines have been operated in Western Australia and Tasmania, with lesser operations in other states.
Major iron ore mining centres in Australia include:
- the Pilbara, Hamersley Range and the Yilgarn block in Western Australia - almost 93% of Australia's iron ore is mined in this region
- South Australia e.g. Middleback Range
Other states and territories which mine iron ore are:
- Tasmania (Savage River)
- Queensland (Mount Isa)
- New South Wales (Broken Hill, Tallawang)
- Northern Territory (Frances River)
Why was the life difficult for miners?
the miners had to use weak tents and they faced exhaustion, poor food, and disease
Who are the biggest users of sand and gravel?
Sand and gravel are primarily used by private construction firms and government agencies in the construction and paving industries.
What are the principal gold ores?
The principal ores are calaverite, a telluride (containing tellurium) containing 40 percent gold, and sylvanite, a mixture containing 28 percent gold
What are the three gold mining methods?
Gold is recovered by three basic mining methods: placer mining of alluvial deposits, lode or vein mining, and recovery as a by-product of base-metal mining.
To supply people and industries with minerals, metal ores and coal, etc.
How do you stake a claim to a gold mine?
If it is someone else's land you cannot claim it and there is pretty much no land left that no one owns. However if you do discover gold and it is not owned by a person and determining on how long you've been there you can check into squatters rights. Though if it is on your land you own the gold and no one can touch it but you. But if no one owns the land not Evan the government owns it and that's where squatters rights come in, this only applies to so many states though, but this is very unlikely.
What are the attrition rates for underground mines?
In 1998 there were about 860 underground coal mines in operation. By 2001 that number had declined to 719 underground mines.
consists of boring a series of holes that are 2 to 5 feet in diameter and 300 or more feet deep. This parallel and horizontal pattern is carved into a seam of coal that already has been exposed by an outcropping or by strip mining methods.
How is hydraulic gold mining done?
In hydraulic mining, powerful jets of water are directed at thick beds of gravel to break them down and wash the residue through lines of sluices designed to separate gold particles.
How much does Grupo Mexico mining make?
During 1998 the company's consolidated revenues that year were approximately $2.3 billion.
How was crushed stone mined in the past?
In the past most crushed and broken stone has been mined from open quarries. Today, the trend has been more toward underground mining.
Why is coal mining industry decreasing?
Dangerous, unsafe, and causes pollutants. There are more ways of cleaner energy.
What is the world's largest single producer of chicken products?
Tyson Foods is the world's largest single producer of chicken products
