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MINE OPENING [11 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2022-09-28

English

Subject field(s)
  • Mining Operations
DEF

... the opening of a mine that had previously been closed or suspended.

French

Domaine(s)
  • Exploitation minière
DEF

[...] ouverture d'une mine qui avait antérieurement été fermée ou qui avait interrompu ses activités.

Key term(s)
  • ré-ouverture de mine

Spanish

Save record 1

Record 2 2021-07-14

English

Subject field(s)
  • Mining Equipment and Tools
CONT

Impervious membranes have been used in conjunction with mine opening seals. A membrane should extend a sufficient distance past the perimeter of an opening to provide an effective barrier encompassing mining-induced fractures and open joints.

French

Domaine(s)
  • Outillage et équipement (Exploitation minière)

Spanish

Save record 2

Record 3 2016-02-29

English

Subject field(s)
  • Underground Mining
  • Mine Ventilation, Heating and Lighting
DEF

The opening through which the return air ascends and is removed from the mine.

OBS

The opposite of downcast or intake.

Key term(s)
  • uptake shaft

French

Domaine(s)
  • Exploitation minière souterraine
  • Ventilation, chauffage et éclairage des mines
CONT

L'air, en s'échauffant, ayant une tendance naturelle à monter, [...] on cherche à ne pas faire descendre le courant d'air une fois qu'il a pénétré dans les travaux; c'est le principe de l'aérage ascensionnel [...] L'air descend par le puits d'entrée d'air [...] jusqu'au niveau le plus bas de la mine, se répartit dans les travers-bancs d'entrée d'air, de là monte dans les divers travaux en longeant les fronts de taille, puis est collecté dans les travers-bancs supérieurs de retour d'air, enfin remonte au jour dans un ou plusieurs puits de retour d'air.

Spanish

Save record 3

Record 4 2016-02-26

English

Subject field(s)
  • Underground Mining
DEF

... the pinning together of the material adjacent to a mine opening by drilling a hole 5 to 6 feet deep and inserting a special bolt 1 to [1 3/4] in. in diameter.

OBS

The end inserted in the hole is equipped with a wedge or expansion shell that seizes the material at the bottom of the hole. A heavy washer or plate is placed over the exposed and threaded end of the bolt, and the nut is tightened to a unit of support.

Key term(s)
  • strata bolting

French

Domaine(s)
  • Exploitation minière souterraine
DEF

Méthode de soutènement spécial du toit [qui] consiste à introduire dans des trous de faible diamètre, forés dans la couronne d'une excavation, des tiges d'acier, ayant généralement de 1,5 à 2 m de long, appelées boulons, ou des broches de bois qui sont ancrées par un dispositif spécial au fond du trou, et qui maintiennent une plaque d'appui serrée par un écrou contre la couronne du chantier.

OBS

Ce boulonnage serre les unes contre les autres les différentes strates du toit immédiat [...]

Key term(s)
  • soutènement par boulon d'ancrage

Spanish

Save record 4

Record 5 2015-02-20

English

Subject field(s)
  • Underground Mining
DEF

A vertical or inclined opening, or excavation, connecting two levels in a mine, differing from a raise only in construction. A winze is sunk underhand...

CONT

The workings on a level (horizontal plane) are joined with those on another level by passageways of similar cross section, called raises if they are driven upward and winzes if driven downward.

French

Domaine(s)
  • Exploitation minière souterraine
DEF

Galerie inclinée qui a été creusée en descendant.

CONT

Exploiter par descenderie. Exploiter en dessous d'une galerie principale, de sorte que pour remonter les produits à la surface on est obligé d'utiliser la descenderie jusqu'à la galerie principale.

OBS

On distingue les galeries de niveau [...] et les galeries inclinées, appelées «plans inclinés» lorsqu'elles sont utilisées pour descendre les produits d'abattage, et «descenderies» lorsqu'elles remontent ces produits jusqu'au «niveau» de l'étage.

Spanish

Save record 5

Record 6 2007-01-13

English

Subject field(s)
  • Various Metal Ores
CONT

Mississippi Valley-Type(MVT) Lead-Zinc.... Prior to the opening of the Pine Point mine in 1965, deposits of this type contributed only negligibly to Canadian lead-zinc production. Since that time, however, about 30% of annual production has been derived from Mississippi Valley-type deposits.

OBS

The deposits owe their commonly accepted name to the fact that several classical districts occur within the drainage basin of the Mississippi River, central U.S.A.

OBS

Sangster (1976) has divided carbonate-hosted base metal deposits into two major types: (1) Mississippi Valley, and (2) Alpine. Other workers do not make this distinction and refer to all low temperature carbonate-hosted deposits as being of Mississippi Valley-type. Sangster contends that the first type, which are strata-bound, were emplaced after lithification of the host rocks and were largely controlled by pre-ore structures, whilst he considers the Alpine-type to be stratiform and syndsedimentary. ... However, because this distinction is made by some workers on a global basis, the author has avoided using the term Mississippi Valley-type for all carbonate-hosted base metal deposits.

French

Domaine(s)
  • Minerais divers (Mines métalliques)
CONT

Dans les environnements miogéosynclinaux cratoniques, généralement sur plateforme marine et à volcanisme absent ou discret et à dominante carbonatée se situent : des gisements stratiformes de plomb-zinc du type Mississippi Valley, en Australie du Nord [...] Ils deviennent surtout abondants entre le Paléozoïque inférieur et le Mio-pliocène.

OBS

Les gîtes doivent leur nom couramment accepté au fait que plusieurs districts classiques renfermant de telles minéralisations existent dans le bassin hydrographique du fleuve Mississippi, dans la région centrale des États-unis.

Spanish

Save record 6

Record 7 2002-03-13

English

Subject field(s)
  • Mining Dangers and Mine Safety
DEF

A chamber or opening in a mine into which personnel can escape to take refuge in the event of some disaster, e. g. an explosion.

OBS

The term "refuge chamber" seems to be used in South Africa.

French

Domaine(s)
  • Exploitation minière (dangers et sécurité)

Spanish

Save record 7

Record 8 2000-08-09

English

Subject field(s)
  • Extraction Procedures - Various (Mining)
  • Mining Operations
OBS

The process of filling a mine opening with waste.

OBS

"Slushing" is done by using a scraper (slusher) hoist.

French

Domaine(s)
  • Procédés d'extraction divers (Exploit. minière)
  • Exploitation minière
Key term(s)
  • remblayage par scraper

Spanish

Save record 8

Record 9 1999-08-26

English

Subject field(s)
  • Underground Mining
  • Ore Extraction and Transport
DEF

[An] opening made in a mine working in which a drill or other equipment may be placed so as not to interfere with other mining operations.

CONT

Sublevel stoping. ... The orebody sections are further divided laterally in alternating stopes and pillars and a mail haulage drive is created in the footwall, at the bottom, with cut-outs for drawpoint loading.

Key term(s)
  • cutouts
  • cut-outs
  • cut out
  • cut outs

French

Domaine(s)
  • Exploitation minière souterraine
  • Extraction et transport du minerai
CONT

Exploitation par chambres et piliers. Dans une première phase, le traçage, on creuse dans l'épaisseur de la couche une série de galeries parallèles de 4 à 6 m de large; ce sont les chambres, entre lesquelles subsistent des massifs de charbon, percés par de courtes recoupes allant d'une chambre à l'autre afin de faciliter l'aérage et le déplacement du matériel; ce sont les piliers.

Key term(s)
  • recoupes

Spanish

Save record 9

Record 10 1992-06-10

English

Subject field(s)
  • Mining Dangers and Mine Safety
  • Blasting Work (Mining)
OBS

"collar" : The beginning point of a shaft or drill hole, the surface.... The mouth of a mine shaft.... The mouth or opening of a borehole.

CONT

Bottom priming should be employed where Anodet Delays, High Strength Blasting Caps, or safety fuse and blasting caps with conventional explosives primers are used. Collar priming is recommended with electric blasting caps, with the caps placed in the boreholes after pneumatic loading is complete.

OBS

See also the TERMIUM record for "collar primed".

French

Domaine(s)
  • Exploitation minière (dangers et sécurité)
  • Travail aux explosifs (Exploitation minière)
OBS

Position de la cartouche-amorce. Ordinairement, pour le tir instantané, la cartouche-amorce occupe une position près de l'orifice du trou ou directement sur la charge même. Cependant, en certains cas, dans les trous de grand diamètre, on pratique l'amorçage en partant du fond du trou.

Spanish

Save record 10

Record 11 1992-06-10

English

Subject field(s)
  • Mining Dangers and Mine Safety
  • Blasting Work (Mining)
CONT

No person shall charge a hole with explosives unless there is placed in the charge a properly prepared detonator and (a) the detonator is securely placed so that it cannot be moved while the hole is being charged; or (b) the hole in which the detonator is placed is collar primed. [Source : projet de règlement modifiant le Règlement canadien sur la sécurité dans les mines.]

OBS

"collar" : The beginning point of a shaft or drill hole, the surface.... The mouth of a mine shaft.... The mouth or opening of a borehole.

OBS

The next context explains in our view how a hole can be "collar primed". See also the TERMIUM record for "collar priming".

OBS

The primer is most effective when firing independent charges if it is loaded with the detonator pointing toward the major portion of the explosives column. The primer should be placed near the collar of the hole in the direct position (cap pointing inward) since it will then impart the strongest impulse toward the balance of the explosives column and the bottom of the hole.

French

Domaine(s)
  • Exploitation minière (dangers et sécurité)
  • Travail aux explosifs (Exploitation minière)
OBS

Position de la cartouche-amorce. Ordinairement, pour le tir instantané, la cartouche-amorce occupe une position près de l'orifice du trou ou directement sur la charge même. Cependant, en certains cas, dans les trous de grand diamètre, on pratique l'amorçage en partant du fond du trou.

Spanish

Save record 11

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