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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

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What is the difference between alluvial and quartz mining?

The word Alluvial describes a type of soil. It can be made up of sand, silt, clay, gravel, or other matter deposited by flowing water. Alluvial Mining is when a prospector gets the gold bearing soil from a creek, river or river deposits. Once they gather the soil and refine the material to concentrate they use a gold pan to pan for gold- the gold they find is called alluvial gold.

Quartz reef mining is when it is mined from the source. Its particles of gold embedded in quartz.

The difference between alluvial and quartz mining is that alluvial mining takes place far from the source of the gold and found in rivers and creeks. Quartz mining takes place at the source of the gold.

What is an ore expert?

An ore expert is a professional who specializes in identifying and evaluating different types of ores, including minerals and metals. They have knowledge of ore formation processes, mining techniques, and mineral extraction methods to help companies optimize their ore deposits for commercial purposes. Ore experts may also provide guidance on ore processing and refining procedures.

How are the saturated zone and unsaturated zone alike?

Both the saturated zone and unsaturated zone are parts of the subsurface that store groundwater. In the saturated zone, all pores are filled with water, while in the unsaturated zone, pores contain both air and water. Both zones are important for groundwater flow and storage.

What can you make out of quartz?

Quartz can be used to make jewelry, such as necklaces, bracelets, and earrings. It is also commonly used in electronics for making oscillators and filters. Additionally, quartz is a popular material for making countertops and tiles for kitchens and bathrooms.

Which ore contains iron?

Perhaps the most common iron ore is taconite.

What is used when ore is too deep within earth to be surface mined?

When ore is too deep within the earth to be surface mined, underground mining methods are used. This involves creating tunnels and shafts to access the ore deposits beneath the surface. Various methods such as drift mining, shaft mining, and room and pillar mining can be utilized based on the specific geological conditions.

What rock is composed mainly of ferromagnesian minerals?

Ultramafic rocks are made of ferromagnesian minerals.

What is good about a rock?

Rocks have a variety of uses, such as construction material, decorative landscaping, and even as tools for grinding and sharpening. They also contribute to Earth's geology and provide habitats for various organisms. Rocks can also be collected and appreciated for their beauty, unique patterns, and historical significance.

How much percent of iron and lead are present in galena?

Galena contains 86% Lead. Usually Galena contains some Sulphur and except for the central Unites States deposits usually varying amounts of Silver. No iron however.

How does the open cast mining affect the environment?

•Destruction of the topographical landscape

•Degradation of ecological communities (ecosystems)

•Degradation of water quality

•Destruction of agricultural and forest lands

•Noise pollution

•Air quality

•Sedimentation and erosion

•Land subsidence

•Vibration from blasting and air blasts

•Old mines often converted into landfills

Where are the gold and silver mines in the US?

Gold and silver mines can be found in various states in the US, including Nevada, Colorado, Alaska, and California. Nevada is particularly known for producing a significant amount of both gold and silver due to its rich mineral deposits.

Open pit mining is used to obtain ores that lie?

near the Earth's surface, making it cost-effective and easier to extract the desired minerals or ores. This method involves removing the overlying rock or soil to access the ore deposit located close to the surface. It is commonly used for mining materials such as coal, copper, and iron.

What are common ores?

Some common ores include iron ore (hematite, magnetite), copper ore (chalcopyrite), aluminum ore (bauxite), and gold ore (native gold). These ores are mined for their valuable minerals and metals used in various industries.

Could uranium be found in Oklahoma?

Yes, uranium can be found in Oklahoma. The state has known uranium deposits, particularly in the Arbuckle Mountains and surrounding areas. However, mining and extraction of uranium in Oklahoma are subject to strict regulations.

What is a drift mine?

A drift mine is a type of underground mine. Were a tunnel OS dug at the side of a hill

Why do people think that the mantle is best described as a 'very thick syrupy liquid?

The mantle is often described as a very thick syrupy liquid because it behaves like a solid over short periods of time but can flow very slowly over long periods of time. This unique property is known as plasticity. The mantle's ability to flow allows for the movement of tectonic plates on the Earth's surface.

What disadvantages or advantages are there for sand mining?

Advantages of sand mining include economic benefits from the extraction of a valuable resource. However, disadvantages include environmental damage such as habitat destruction, disruption of ecosystems, and potential erosion of coastlines. Over-mining can lead to negative impacts on water quality and loss of biodiversity.

What is the mineral deposit that is large and pure enough to be mined?

For a mineral deposit to be large enough to mine, it must be able to produce enough of whatever is being mined to offset, with a profit, the cost of extracting, transporting, crushing, processing, and finally refining.

A deposit does not have to be large to be economically feasible.

A single yard of material in an outcrop of rock that will yield 1/2 oz or more of Gold is well worth busting out of the ground, If you have knowledge of how to process it, or know of some smelter operation, or refiner that will buy it, or process it for a percentage of the gold recovered.

Where is uranium 238 most found on earth?

Uranium exist in:

Kazakhstan, Australia, Canada, United States, Namibia, Gabon, Niger, Malawi, South Africa, Brazil, Argentina, France, Spain, Germany, Romania, Czech Republic, Ukraine, Uzbekistan, China, Russia, Iran, Greenland, Algeria, Bulgaria, Hungary, etc.

Uranium-238 is only an isotope of uranium.

The most important quantities of depleted uranium are stored in United States as UF6.

How do people obtain water from an aquifer?

People obtain water from an aquifer by drilling a well into the ground until it reaches the water-bearing rock layer. A pump is then installed to draw water from the aquifer to the surface. The water is typically treated to ensure it is safe for consumption before being distributed for various uses.

Where is copper found in Michigan?

In Michigan, as in anyplace else in the deveoped world, most elemental copper is found in electrical wiring. If the questioner meant, "Where is copper ore found in Michigan?", the historical answer was the Upper Peninsula in the general vicinity of Calumet, but those mines may or may not be still producing.

How deep is the Kimberley Diamond mine?

The Kimberley Diamond mine - Known as "the Big Hole" was mined by hand to a depth of 790 feet. Once above ground operations became too dangerous and unproductive, The DeBeers Corporation commenced underground operations to a depth of 3600 feet.

Ore deposits such as gold sometimes are found as a?

Ore deposits such as gold are sometimes found as veins in rock formations. These veins are formed when mineral-rich fluids flow through cracks in the rock and deposit their minerals as they cool. Mining companies often target these veins as they are a concentrated source of valuable minerals.

Are fluorite salt and silver some of the minerals mined on earth?

Fluorite is a mineral found in the earth's crust, commonly used in industrial applications and as a decorative stone. Salt is also a mineral that is mined on earth for various purposes. Silver is a naturally occurring element rather than a mineral, and it is mined primarily for its use in jewelry, electronics, and other industrial applications.