Common terms and words used relating
to mining and mining operations that may also be used in the pages of this site.
ADIT A level; a horizontal drift or passage from the surface into a mine.
ADVERSE To oppose the granting of a patent
to a mining claim.
AIR SHAFT A shaft for ventilation.
A combination of two or more metals fused together.
Materials transported or deposited by water.
or silver combined with quicksilver.
The top or highest point of a vein.
A primitive rotary mill where rocks are dragged around to crush ores.
ASSAY A test of
mineral to determine quality and quantitv.
Required yearly work.
BASE BULLION Lead
combined with other metals after smelting. Cast in an ingot.
BATTERY A set of stamps for crushing
ore - most times arranged in groups of four or five.
BLIND LODE A vein without an outcrop.
Detached rock or ore indicating the presence of mineral veins.
rich deposit of high-grade ore, a mine that yields great profits.
A written conditional option.
BOOM A term used
to define a place that has seen great excitement or activity due to a recent mineral find.
The face of a tunnel or drift.
BUDDLING Separating ore
BULLION Ingots of gold
or silver ready for the mint.
A concentrating table with a jolting motion.
term used to describe an area or town that has been abandoned because paying ore has been exhausted or the vein has been lost.
Usually in favor of another more promising location.
CALCAREOUS Rock containing
CARBONATES Ore containing a considerable proportion of
carbonate of lead, -or of rich silver.
The richer parts in lodes as distinguished from poorer ones.
A common term applied to ores containing chloride of silver.
Ground held by a location.
COBBING Breaking ore for
COLOR A particle of metallic gold found in the prospector's
pan or horn after washing earth
or pulverized rock.
CONCENTRATOR Machine for
removing waste matter from mineral.
A junction of two kinds of rock, such as lime and porphyry.
A cord weighs about eight tons.
COUNTRY ROCK The rock
on each side of a vein.
CREVICE A narrow opening, resulting from a split
or crack in the rock; a fissure.
CRIBBING The timbers used to confine wall rock, plank
lining of the walls of a shaft or adit, or to hold back waste rock around mining dumps .
Mineral or rock rising to the surface.
A level driven across the course of a vein.
DEVELOPMENT Work done in opening up access into a
DILUVIUM A surface deposit of sand, gravel or loam.
DIP The slope or pitch of a vein or mine.
DRIFT A tunnel; a horizontal passage underground.
DYKE A wall-like mass of mineral foreign to the general
FACE The end of a drift
FAULT The displacement
of a stratum or vein.
FISSURE VEIN A crack or
cleft in the earth's crust filled with mineral matter distinguished from other veins because it cuts all other formations instead
of yielding to them.
FLOAT Loose ore or rock
detached from the original formation.
A pipe or trough to convey water.
FLUX Substance used to
promote the fusion of ores.
FOOT-WALL Layer of rock
beneath the vein.
FREE-MILLING Ores that
will separate by simple methods.
The waste stuff of an ore.
HANGING WALL The layer
of rock, or wall, over a lode.
A vein of ore above the drift.
HORSE A body of rock of
same character as the wall-rock occurring in the course of the vein.
A vein, or ore, in its original position.
A machine for concentrating ore by means of water.
Locating on another's claim.
LEVEL A horizontal passage
or drift into a mine from a shaft.
LITTLE GIANT A jointed iron nozzle used in hydraulic mining.
LODE, LEAD, LEDGE A body of ore.
RUN A test of the value of a given quantity of ore.
ORES Compound ot metal with oxygen, sulphur, arsenic, etc.
OUTCROP That portion of a vein showing at the surface.
PANNING Separating gold from gange or gravel by washing.
PAY STREAK The richest streak in the vein.
PATENT The government's deed.
PINCH Contraction of the vein.
PITCH The slope or dip of the vein.
A surface mine.
POCKET A rich spot in a vein or deposit.
PROSPECTING Searching for mineral veins.
Excavating or tunneling a shaft upwards from an exhisting level. (See also UPRAISE)
RESERVES Mineral standing in mines between shafts and
levels that will pay to extract.
RETORT Amalgam after distillation; gold combined with
Placing foreign ore in the crevices of a vein.
SAMPLING WORKS or SAMPLING MILL Works for
sampling and determining the values obtained in ores; where ores are bought and sold.
SCHISTOSE Granite rock having a slaty structure.
SHAFT A vertical or inclined passage into a mine.
SHIFT A miner's work for one day.
SLUICES Troughs in which ore is washed.
To lignt a fuse.
SPREADER Timber stretched across a shaft or slope.
SPUR A branch of a vein.
STAMP-MILL A mill for crushing ores by means of stamps.
STOPING Excavating the ore from the roof or floor of a drift.
TAILINGS The refuse left after washing ores containing
metals not saved in the first treatment.
TRIBUTER A miner working as a lessee.
A shaft or winze excavated upwards.
WASH Loose rock and dirt.
WHIM A machine used for raising ore or refuse.
WHIP Apparatus for hoisting ore from a shaft.
WINZE An interior shaft sunk from one level to another.