What is called gangue?

In mining, gangue (/ɡæŋ/) is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit. … It is a necessary, and often significant, aspect of mining.

What is a gangue in chemistry?

The gangue in chemistry can be defined as an unwanted material or impurities in the form of sand, rock or any other material that surrounds the mineral in an ore deposit. This substance is common when it comes to the aspect of mining.

What is gangue with example?

The definition of gangue is worthless rock or mineral in which valuable minerals are found. An example of gangue is the rock surrounding a deposit of gold. … The commercially worthless mineral matter associated with economically valuable metallic minerals in a deposit.

What are the types of gangue?

The dominant gangue minerals in VMS ores are quartz, chlorite, muscovite, carbonates, and sulfates (mainly gypsum and barite).

What is coal gangue?

Coal gangue, a solid waste generated during coal mining and washing, accounts for approximately 10%–15% of the total coal production. The accumulative amount of coal gangue is largely increasing associated with coal mining activities, becoming one of the largest industrial residues.

What is slage?

: a lewd or promiscuous woman.

What is the example of slag?

Slag is waste matter separated from metal during smelting. An example of slag is the iron and silica that is removed during copper and lead smelting. To slag is defined as to create waste matter from metal smelting. An example of to slag is for the heat of copper smelting to remove the iron and silica from the copper.

What is an ore Class 10?

Metals found in a combined state in the earth’s crust are known as minerals. Only those minerals that have a relatively high concentration of metal and can be extracted in an easy and cost-effective process are called ores. … The relative abundance of metals varies in the earth’s crust.

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What is gangue answer in one word?

: the worthless rock or vein matter in which valuable metals or minerals occur.

What is gangue short answer?

A gangue in chemistry can be defined as an unwanted material or impurities in the form of sand, rock or any other material that surrounds the mineral in an ore deposit. … Usually, gangue has to be separated from mineral and the process used is known as mineral dressing, mineral processing or ore dressing.

What is the most important ore of iron?

hematite Among all the iron ores, hematite and magnetite are the most important ores because most of the iron which is used to make steel is mined from these two ores.

Is gangue an ore?

Ore, as mined, contains ore minerals, gangue minerals, and country rock. As originally used, ore minerals were metal bearing (see Metallic Minerals). … More recently, nonmetallic minerals of commercial importance are considered ore minerals (see Mineral Industries).

Is silica a gangue?

When a metal is to be extracted from its ore and if the gangue associated with the ore is silica, then. If gangue is silica (an acidic impurity) the flux used is basic.

Does scheelite glow?

Scheelite’s intense fluorescence under SW UV light and X-rays can help distinguish it from other stones of similar appearance. Although they typically glow an intense bluish white or whitish blue, scheelites that contain some Mo can fluoresce a creamy yellow in SW.

Is pyrite a gangue?

There are many other major to minor gangue minerals associated with iron ore deposits including many different silicates (including amphiboles and chlorites), carbonates (siderite and ankerite), sulfides (e.g., pyrite), and oxides (e.g., pyrolusite).

What are the effects of trace elements present in coal on the environment?

Because of the existence of harmful trace elements in coal gangue, large quantities of coal gangue piled on the land can cause serious environmental problems by polluting the air, water, and soil as well as resulting in ecological risk [6, 7, 8, 9, 10, 11].

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What do you mean by sagged?

verb (used without object), sagged, sag·ging. to sink or bend downward by weight or pressure, especially in the middle: The roof sags. to hang down unevenly; droop: Her skirt was sagging. to droop; hang loosely: His shoulders sagged.

What does Sket mean in slang?

promiscuous girl sket 2. / (skɛt) / noun. British derogatory, slang a promiscuous girl or woman.

What is an old slag?

old slag definition, old slag meaning | English dictionary 1 (Also called) cinder the fused material formed during the smelting or refining of metals by combining the flux with gangue, impurities in the metal, etc. It usually consists of a mixture of silicates with calcium, phosphorus, sulphur, etc.

How do you identify a slag?

Slag is one of the materials that is often confused for meteorites. This slag, however, will usually be porous or even bubbly which is a clue that it is not a real space rock. Meteorites, in some cases, may exhibit vesicles, but they are not porous or bubbly in appearance.

What is gangue and slag?

Gangue means the impurities present in the ore. The next term is flux. During the process of removing the impurities present in the ore some of the impurities or the gangue cannot be easily removed. … The substances which are formed when gangue and flux combine are known as slag.

Why is slag bad?

When SSRS compares with ground granulated blast furnace slag (GGBFS) from iron making, steel slag contains toxic ingredients such as nickel, cadmium, chromium and strontium. These compounds could be harmful not only for environment but also for human health [9,10].

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What is a crude metal?

What is Crude Metal? The ore is considered as crude metal. It is a solid mass from which pure metal can be obtained.

What is meant by metallurgy?

metallurgy, art and science of extracting metals from their ores and modifying the metals for use. … It also concerns the chemical, physical, and atomic properties and structures of metals and the principles whereby metals are combined to form alloys.

What is CBSE 10th corrosion?

Corrosion is a natural process, which converts a refined metal to a more chemically stable form, such as its oxide, hydroxide, or sulphide. … Corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment.

Are tailings and gangue the same thing?

As nouns the difference between gangue and tailings is that gangue is (mining) the earthy waste substances occurring in metallic ore while tailings is the waste that remains after the minerals have been extracted from an ore by ore dressing; gangue, slimes.

How is gangue pronounce?

What is the difference between waste and gangue?

As nouns the difference between waste and gangue is that waste is a waste land; an uninhabited desolate region; a wilderness or desert while gangue is context the earthy waste substances occurring in metallic ore.

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