Definition of coal noun from the Oxford Advanced Learner's Dictionary ... Coal mining is important in the US, with the US producing a large part of the world's coal. Most is mined in the Appalachian Mountains. Modern mining techniques used in West ia have removed whole mountain tops and destroyed large areas of forest.

Coal mine definition, a mine or pit from which coal is obtained. See more.

Jul 24, 2019· Today, the practice of using a to test the air supply has become part of coal mining lore, but the ideology behind it has become a popular expression. The phrase "living like a canary in a coal mine" often refers to serving as a warning to others. The actual canary had little control over its fate, but it continued to sing anyway.

Coal mining is only a temporary use of land, so it is vital that rehabilitation of land takes place once mining operations have stopped. In best practice a detailed rehabilitation or reclamation plan is designed and approved for each coal mine, covering the period from the start of operations until well after mining …

Although the United States has the vast coal resource described in the previous chapter, perhaps as much as 4 trillion tons, the key issue for policy makers is the amount of coal that is economically recoverable.This is not a fixed quantity, but depends on the geological resource, the market price, and the cost of mining. The particular characteristics of the coal mining industry create unique ...

Coal seam definition is - a bed of coal usually thick enough to be profitably mined. a bed of coal usually thick enough to be profitably mined… See the full definition. SINCE 1828. ... Kentucky coal mine supervisors cheated on dust samples," 11 July 2018 Then, in 1959, ...

One of the main criteria used to define illegal mining is the absence of land rights, mining license, exploration or mineral transportation permit or of any document that could legitimate the on-going operations. Illegal mining can be operated o n the surface or underground. In most countries, underground mineral resources belong to the state.

Coal mining, extraction of coal deposits from the surface of Earth and from underground. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th

Surface Coal Mining Operations Law and Legal Definition. According to 30 USCS § 1291 (28), the term surface coal mining operations means--"(A) activities conducted on the surface of lands in connection with a surface coal mine or subject to the requirements of section 516 [30 USCS § 1266] surface operations and surface impacts incident to an ...

Definition and synonyms of coal mining from the online English dictionary from Macmillan Education. This is the British English definition of coal mining. View American English definition of coal mining. Change your default dictionary to American English. View the pronunciation for coal mining.

Mining is further divided into several other categories including room and pillar mining, slope mining, block caving, quarrying, open-pit mining and in situ mining. Surface mining involves stripping surface vegetation, dirt, bedrock and other layers of the earth to reach ore deposits underneath.

Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

MITHI -- The District Council Tharparkar has passed a resolution on the 20th December, 2017 regarding the issue of employment of the local people in Thar Coal Project presently executed by the ENGRO Coal mining company, where it is reported that majority of recruited employees does not …

Glossary of coal mining terminology. Jump to navigation Jump to search. This is a partial glossary of coal mining terminology commonly used in the coalfields of the United Kingdom. Some words were in use throughout the coalfields, some are historic and some are local to the different British coalfields.

The effects of mining coal on the environment. There are 2 ways to mine coal – Strip Mining and Underground Mining – both ways have their own impact to the environment and health. We know it but coal is such a cheap energy source that we don't want to let go of it. The negative effects of coal mining cannot be disputed:

Coal mining definition: the act, process, or industry of extracting coal from the earth | Meaning, pronunciation, translations and examples

Coal mining can pollute the air, and destroy habitats like forests and wetlands. What mining exp do you get for mining coal n runescape? you get 50 xp for mining coal ore in runescape.

Definition of canary in a coal mine in the Idioms Dictionary. canary in a coal mine phrase. What does canary in a coal mine expression mean? Definitions by the largest Idiom Dictionary.

A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

Definition of coal mining in the Definitions.net dictionary. Meaning of coal mining. What does coal mining mean? Information and translations of coal mining in the most comprehensive dictionary definitions resource on the web.

Define coal mining. coal mining synonyms, coal mining pronunciation, coal mining translation, English dictionary definition of coal mining. coal mining. Translations. English: coal mining n estrazione f del carbone.

A canary in a coal mine is an advanced warning of some danger. The metaphor originates from the times when miners used to carry caged canaries while at work; if there was any methane or carbon monoxide in the mine, the canary would die before the levels of the gas reached those hazardous to humans. See here.

coal mine meaning: 1. the deep hole or system of holes under the ground from which coal is removed 2. a deep hole or connected long narrow openings under the ground from which coal …

Define coal mine. coal mine synonyms, coal mine pronunciation, coal mine translation, English dictionary definition of coal mine. Noun 1. coal mine - a mine where coal is dug from the ground coalpit colliery, pit - a workplace consisting of a coal mine plus all the buildings and...

Dec 27, 2014· Coal definition, a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. See more.

Coal can also depict parts of yourself – memories or experiences – that were deeply buried but are being, or have been brought to the surface, perhaps to be burnt out and therefore cleansed. There is usually great wisdom in such coal and it needs to be unfolded from the symbol by exploring the feelings and ideas connected with the image.

Aug 06, 2015· Let's try to understand this with NTPC context. NTPC use coal for its thermal power projects to produce electricity. NTPC has contracts with many companies like Coal India which produces coal and sell it to NTPC and takes huge money in return. Now...

Mar 30, 2017· Contents Coal Mining Safety and Health Act 1999 Page 2 23 Meaning of physical overlapping of coal mining operations . . . . 23 24 When is a coal mine operator not in ...

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content, and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United States, United Kingdom, and South Africa, a coal mine and its structures are a "colliery".