tug
An iron hook of a hoisting tub, to which a tackle is affixed.
Mining and extraction
591 entries in this trade.
tunnel
A level passage driven across the measures, or at right angles to veins which it is desired to reach; distinguished from the drift, or gangway, which is led along the vein when reached by the tunnel.
turnsheet
A metal plate set down as a surface for the purpose of turning minecarts around.
tut-work
Work done by the piece, as in non-metalliferous rock, the amount done being usually reckoned by the fathom.
twitch
The sudden narrowing almost to nothing of a vein of ore.
tying
The act or process of washing ores in a buddle.
ultrapotassic
adjectiveMining and extraction
Having a very high potassium content.
underburdened
adjectiveMining and extraction
Having too powerful an explosive for the amount of rock broken up, resulting in a risk of igniting dust and gasses.
undercast
An air-passage crossing a road in a mine by means of an airtight box or channel beneath it.
undercutter
A device for cutting into rock walls from below.
underhole
To cut away or mine out the lower portion of a coal seam or a part of the underlay so as to win or get the overlying coal.
underlayer
A perpendicular shaft sunk to cut the lode at any required depth.
underlooker
A daily inspector of a mine.
underviewer
An underlooker; the manager responsible for a colliery in the absence of the viewer.
untopping
Removal of overburden from an old mine to allow continued economic operation.
up-over
A method of shaft excavation by drifting to a point below, and then raising instead of sinking.
upcast
The ventilating shaft of a mine out of which the air passes after having circulated through the mine.
van
A shovel used in cleansing ore.
vanning
A process by which ores are washed on a shovel, or in a vanner.
veinstuff
Minerals found in a vein, of lesser value than ores.
viewer
The manager of a colliery, who directs its workings and ventilation.
wagoner
One who transports the mined material away from the face in wagons.
wailer
A boy employed to pick out stones, pyrites, etc. remaining in the coal after it is screened.
wall
Any of the surfaces of rock enclosing the lode.
want
A depression in coal strata, hollowed out before the subsequent deposition took place.
wash
To separate valuable material (such as gold) from worthless material by the action of flowing water.
washdirt
Earth rich enough in metal to pay for washing.
washeryman
A person who works in a washery in a mine.
washing stuff
Any earthy deposit containing enough gold to pay for washing it.
washout
A place in a mine where ore has been washed away by a flow of water.
wasteman
A person employed to examine the state of the mine workings, to check that they are properly ventilated, and sometimes to build pillars to support the roof in the waste.
water leader
A person employed to remove water from the horseways and other places.
waterleave
An easement consisting of the right granted to a miner to use a watercourse for drainage etc.
wax point
The temperature below which a hydrocarbon fuel such as kerosene ceases to flow freely due to components of the fuel freezing into solid waxes.
way-cleaner
A person employed to clean the rails, removing coaldust etc.
wayboard
A thin layer or band of rock that separates or defines the boundaries of thicker strata.
whim
A large capstan or vertical drum turned by horse power or steam power, for raising ore or water, etc., from mines, or for other purposes.
wicket
The space between the pillars, in post-and-stall working.
wide-cut
adjectiveMining and extraction
Composed of a mixture of hydrocarbons with a wide range of boiling points, including both moderately-heavy, higher-boiling kerosene-type molecules and lighter, lower-boiling, more-volatile gasoline-type molecules; Jet B or JP-4 is a fuel of this type.
win
To extract (ore, coal, etc.).
wind road
An underground route for ventilation in a mine.
winder
An engine that raises and lowers the cages in a mine.
windway
A wind road; a ventilation route in a mine.
winze
A steep shaft for such purposes as: to join two levels in a mine; or to explore greater depths when considering whether to open a new level; or to permit forced ventilation of deeper levels.
winzeman
A man in charge of a winze in a mine.
witts
Tin ore freed from earthy matter by stamping.
wood leader
A person employed to carry wooden props to parts of the mine where they are needed.
work out
To remove all the mineral that can be profitably exploited.
wring
Of a lode: to be depleted of ore; to peter or peter out.
xenomorphic
adjectiveMining and extraction
That does not have its characteristic crystalline form but has a form impressed on it by surrounding grains; anhedral.
zweikanter
A type of pebble that has two curved faces formed by wind-blown sand.