Coal - definition of coal by The Free Dictionary
Define coal. coal synonyms, coal pronunciation, coal translation, English dictionary definition of coal. n. 1. a. A natural dark brown to black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various...
Coal | Definition of Coal at Dictionary.com
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 mining - Wikipedia
Coal mining definition: the act, process, or industry of extracting coal from the earth | Meaning, pronunciation, translations and examples
canary in a coal mine - Wiktionary
Jan 11, 2019· canary in a coal mine (plural canaries in a coal mine or canaries in coal mines) Something whose sensitivity to adverse conditions makes it a useful early indicator of such conditions; something which warns of the coming of greater danger or trouble by a …
What Is Coal Mining - Some Interesting Facts
Coal miners literally move mountains to feed our insatiable appetite for cheap energy. There’s something brutally simple about coal mining. Take away the monstrous new machinery and eco-friendly marketing jargon and it’s the same dirty, dangerous job it’s always been: find the black stuff and dig it up. The two major schools of coal mining […]
Surface Coal Mining Operations Law and Legal Definition ...
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 ...
Negative Effects of Coal Mining - The World Counts
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 Seam | Definition of Coal Seam by Merriam-Webster
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. ... Kentucky coal mine supervisors cheated on dust samples," 11 July 2018 Then, in 1959, ...
Meaning of bcm in coal surface mining
Meaning of bcm in coal surface mining Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Meaning of bcm in coal surface mining, quarry, aggregate, and …
coal noun - Definition, pictures, pronunciation and usage ...
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 - Idioms by The Free Dictionary
Definition of coal in the Idioms Dictionary. coal phrase. What does coal expression mean? Definitions by the largest Idiom Dictionary. Coal - Idioms by The Free Dictionary ... Note: In a coal mine, the coalface is the part where the coal is being cut out of the rock. haul someone over the coals BRITISH or rake someone over the coals.
Coal mining | World Coal Association
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 …
What does coal mine mean? definition, meaning and audio ...
Definition of coal mine in the AudioEnglish.org Dictionary. Meaning of coal mine. What does coal mine mean? Proper usage and audio pronunciation (and phonetic transcription) of the word coal mine. Information about coal mine in the AudioEnglish.org dictionary, synonyms and antonyms.
The Coal Facts: thermal coal vs. metallurgical coal ...
Jun 10, 2013· The Coal Facts: thermal coal vs. metallurgical coal By Paula Baker FILE - In this Dec. 3, 2009 file photo, workers load coal into a truck outside a coal mine in Dadong, Shanxi province, China.
Glossary of Mining Terms - Coal Education
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.
What does coal mining mean? - Definitions.net
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.
Coal | Definition of Coal at Dictionary.com
Coal definition, a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. See more.
What is Coking Coal - Aspire Mining Limited
What is Coking Coal Coking coal, also known as metallurgical coal, is used to create coke, one of the key irreplaceable inputs for the production of steel. There are many varieties of coal in the world, ranging from brown coal or lignite to anthracite.
Glossary of Mining Terms - rocksandminerals.com
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.
What is captive (coal) mining? - Quora
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...
Coal - Wikipedia
Disused coal mines can also cause issues. Subsidence can occur above tunnels, causing damage to infrastructure or cropland. Coal mining can also cause long lasting fires, and it has been estimated that thousands of coal seam fires are burning at any given time.
Coal mining - Choosing a mining method | Britannica.com
Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many technological, economic, …
Mining | Definition of Mining by Merriam-Webster
Mining definition is - the process or business of working mines. Recent Examples on the Web. The Iran’s mining campaign began in earnest in 1987. — Washington Post, "Oil tanker attacks echo Persian Gulf’s 1980s ‘Tanker War’," 14 June 2019 Milch’s HBO film, which premiered last week, catches up 10 years later with the denizens of Deadwood, beginning with the mining camp's ...
coal mining (noun) definition and synonyms | Macmillan ...
90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent. The thesaurus of synonyms and related words is fully ...
Coal mine | Definition of Coal mine at Dictionary.com
Coal mine definition, a mine or pit from which coal is obtained. See more.
Coal | Dream Dictionary | dreamhawk.com
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.
Coal mining | Britannica.com
Coal mining: 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
Coal mining definition and meaning | Collins English ...
Coal mining definition: the act, process, or industry of extracting coal from the earth | Meaning, pronunciation, translations and examples
COAL MINE | definition in the Cambridge English Dictionary
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 …
Coal mine - definition of coal mine by The Free Dictionary
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...