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mine goaf

См. также в других словарях:

  • Goaf — Goaf; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also {gob} . [1913 Webster] {To work the goaf} or {To work the… …   The Collaborative International Dictionary of English

  • goaf — North Country (Newcastle) Words the space remaining in a coal mine after the removal of the coal …   English dialects glossary

  • goaf — n. mow, pile of hay; (Mining) part of a mine from which the mineral has been removed in part or in whole …   English contemporary dictionary

  • goaf — /ˈgoʊf/ (say gohf) noun the space left in a mine after the extraction of coal; sometimes packed with waste; gob. {19th century; origin unknown} …  

  • To work the goaf — Goaf Goaf; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also {gob} . [1913 Webster] {To work the goaf} or {To work… …   The Collaborative International Dictionary of English

  • Windblast — is a term commonly used in mining to describe a sudden rush of air or gas due to the collapse of a void.CausesWindblast is common in longwall coal mines, especially those whose roof strata are competent, and do not cave immediately behind the… …   Wikipedia

  • Goafs — Goaf Goaf; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also {gob} . [1913 Webster] {To work the goaf} or {To work… …   The Collaborative International Dictionary of English

  • Goaves — Goaf Goaf; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also {gob} . [1913 Webster] {To work the goaf} or {To work… …   The Collaborative International Dictionary of English

  • gob — Goaf Goaf; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also {gob} . [1913 Webster] {To work the goaf} or {To work… …   The Collaborative International Dictionary of English

  • To work the gob — Goaf Goaf; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also {gob} . [1913 Webster] {To work the goaf} or {To work… …   The Collaborative International Dictionary of English

  • Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… …   Wikipedia

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