|Cables||Firing cable, used from exploder to within 10 metres of face.|
Device used primarily in shaft
sinking, comprising four or more segments, that are dropped
opened out, onto the pile of
broken rock (muck) then, on being lifted, the segments close around and grab the muck. The muck is then either lifted out through the shaft,
or more commonly, dumped into a sinking bucket for transport out of the shaft.
A steel box like structure that
is used to transport men and materials through a mine shaft. It
is generally fitted with secure gates
at one or both ends.
|Cage deck||To optimise shaft usage in small shafts, a cage could have two or more decks to carry men and materials.|
|Cage gate||The secure cover at the open end(s) of the cage for loading or unloading purposes. These could have a roller scissor action or hung on hinges depending on the size and usage.|
|Cage man||The person in direct charge of the cage, responsible for its correct usage.|
|Cage road||The timber or steel runners around which the cage sliders are trapped to keep the cage in place whilst travelling the shaft.|
|Calcium carbide||Compound in gravel like form, which when water is dripped on it, it forms acetylene gas that burns with an intense white light and was used as in lamps for underground and other uses.|
|Candle||Tallow candles were used extensively until the late 19C for lighting in mines, superseded by acetylene lamps in Cornish mines.|
|Cap||A piece of timber set on pegs or uprights to hold lagging boards for mine support purposes.|
|cap box||a wood box, with a lock, for carrying detonators.|
|Cap & leg||Timber set comprising two legs and one cap, with optional spreader boards for support work. Set are placed up to six feet apart, sometimes for hundreds of yards through poor rock.. Distance boards are placed between the heads and legs and lagging put outside the legs and backfilled where necessary.. Lagging placed on the caps and packed to the back with waste timber etc..|
|Cap lamp||Term used for either battery electric light, clipped to the safety helmet or for small carbide lamp hung through holes made in the front of helmet.|
|Capstan||Type of upright winch used for various operations involving hoisting, lowering or pulling equipment or materials.|
|Captain||Term used for ‘Mine Captain’, person in day to day charge of a mine, or mine district, reporting to the underground manager, and having the shift bosses report to him. Term usually shortened to Cap’n.|
|Carbide lamp||Type of lamp used in non gassy mines for personal illumination. Uses Calcium Carbide and water as fuel.|
A piece of timber generally
8”x6” cross section, used to support other timbers in chutes.
Back carrier:- A length of timber places over the bottom end of a chute stull piece supporting the back of the chute bed.
Front carrier:- A length of timber affixed to the chute leg by means of the carrier ions that support the front of the chute bed.
Carrier iron:- ‘U’ shaped steel rod with screw threads on two ends. The front carrier is held in the ‘U’ and the irons end went
through the augered holes in the chute legs, A plate was put over them and the whole screwed up tight to hold the front carrier securely and horizontally at right angles in front of the chute legs.
|Cassiterite||The most common ore of tin in Cornwall Sn02|
|Cat walk||A walkway installed along the highest part of a shrink stope, at the completion of mining operations.|
|Caunter lode||A lode running across the general dip and direction of the predominant lodes.|
|Cavo™||The proprietary name of a number of self-steered, rubber tyred, compressed air loaders.|
Chains in many sizes and forms
were used extensively in the mines for various purposes.
Types include:- Dump chains to stop wagon butt toppling into dump if muck stuck in butt.
Chain ladder:- A ladder made from 2 stope chains and rungs placed at 10”.
Raise chain:- A 50’ length of stope chain with a metal ring at the top.
Sight chains:- A pair of light weight chains that were used from survey pegs to enable the miner to keep to an accurate line.
Stope chain:- General term for the most commonly used chain in the mine, simple oval link 2” in various lengths.
Wagon chains:- These were also known a three link couplings and were used to link a train of wagons.
|Chamfer||The removal of unwanted rock in specific excavations., the sides of boxholes were chamfered as was the chute bed.|
|Charging||The action of placing explosive in the shot holes.|
|Charging up||The period during which the shot holes are loaded with explosive and the area generally prepared for blasting to take place.|
|Cheesa stick||See Tschissa|
|Chimney||When broken ore is pulled from a stope it sometimes only drops above the pulling point, resulting in a hole a few feet across appearing in the floor of the shrink stope.|
|Chlorite||Mineral associated with cassiterite in lodes, a hydrated Al, Fe, Mg silicate with a greenish appearance.|
|chute||wooden construction to hold back broken ore at the bottom of a shrink stope, in the ‘boxholes’ also known as a cousin jack.|
|collar||shaft collar, where the banks man would work.|
|cross cut||another name for a waste drive, but usually running north, south.|
|croust||the name given to miners food i.e. ‘croust time’ meaning lunch time, or ‘croust seat’, what miners sat on to eat.|
|cuddy||a mined hole in the side of a ‘raise’ to store rock drill and other materials used at the face while blasting.|
|cut||a set of drilled holes|