The process of transforming mine land into usable conditions; e.g., with
regard to residential, recreational, agricultural, commercial or forestry
purposes. SME, 1
A low, heavy, haulage engine, designed for underground operation; usually
propelled by electricity, gasoline, or compressed air.
See also:electric mine locomotive; trolley locomotive. Fay
Mineworker who lines the galleries and other rooms with masonry, works on
the repair of mine supports, and builds ventilation doors and dams.
Stoces
See:motorman
See:opening
A mine power center is a combined transformer and distribution unit
complete within a metal enclosure, usually of explosion-proof design, from
which one or more low-voltage power circuits are taken.
Section of wood, generally part of a small tree trunk, used for holding up
rock in the roof of a mine. Mersereau, 2
a. In anthracite and bituminous coal mining, one who performs the complete
set of duties involved in driving underground openings to extract coal,
slate, and rock, with a hand or machine drill, into which explosives are
charged and set off to break up the mass. Also called coal digger; coal
getter; coal hewer; digger; faceman. DOT
b. In nonmetal mining, such as limestone, one who drills holes in working
face of a limestone mine, and inserts and sets off charges of explosives
in holes. May be designated as development miner when working in new areas
to drive drifts, shafts, sumps, and entry areas into stopes; high-raise
miner when working in vertical areas to gain access into new development
areas; or stope miner when working in horizontal openings in limestone
strata. Syn:stope miner
c. In mining, one who performs the complete set of duties involved in
driving underground openings to extract ore or rock: drills holes in
working face of ore or rock, with a hand or machine drill; inserts
explosives in drill holes and sets them off to break up the mass; shovels
ore or rock into mine cars or onto a conveyor, and pushes mine cars to
haulageways, where they are hauled by draft animals, mine locomotive
(motor), or haulage cable to the surface, or to the shaft bottom for
hoisting; and installs timbering to support the walls and roof, or for
chutes or staging. Due to standardization of mining methods and
development of mining machinery, these jobs may be performed by several
workers. Where conditions are favorable, loading is done by machine.
DOT
d. One who mines; such as (1) a person engaged in the business or
occupation of getting ore, coal, precious substances, or other natural
substances out of the earth; (2) a machine for automatic mining (as of
coal); and (3) a worker on the construction of underground tunnels and
shafts (as for roads, railways, waterways). Webster 3rd
e. A worker in a coal mine who is paid a certain price for each ton of
coal he or she digs or blasts from the solid seam, as distinguished from
the laborer who loads the cars, etc. The miner's helpers load the coal;
they are also called laborers. Fay
f. Includes all laborers who work in a mine, whether digging coal,
timbering, or making places safe. Fay
g. Loosely used to designate all underground employees; technically, and
in many cases legally, only those who have served an apprenticeship as
helpers or those who are State licensed as miners. BCI
h. A worker who cuts coal in a breast or chamber by contract; the
highest-skilled worker of a colliery. Korson
i. One who mines; a digger for metals and other minerals; is not
necessarily a mechanic, handcraftsman, or artisan, and the term imports
neither learning nor skill. Ricketts
j. Abbrev. for continuous miner. Nelson
See:ore microscopy
a. A naturally occurring inorganic element or compound having an orderly
internal structure and characteristic chemical composition, crystal form,
and physical properties. CF:metallic
b. In miner's phraseology, ore. See also:ore
c. See:mineral species; mineral series; mineral group.
d. Any natural resource extracted from the earth for human use; e.g.,
ores, salts, coal, or petroleum.
e. In flotation, valuable mineral constituents of ore as opposed to gangue
minerals.
f. Any inorganic plant or animal nutrient.
g. Any member of the mineral kingdom as opposed to the animal and plant
kingdoms.
The full mineral interest in 1 acre (0.4 ha) of land. Williams
See:hatchettite
a. The process of appraisal of identified and undiscovered mineral
resources within some specified region, and the product of that appraisal.
Barton
b. The estimation of mineral endowment, meaning the number of deposits or
the tonnage of metal that occurs in the region, given some minimum size of
accumulation (deposit), minimum concentration (grade), and maximum depth
of occurrence. Syn:predictive metallogeny
A group of minerals found together in a rock, esp. in a sedimentary rock.
AGI
An elongated region of mineralization; an area containing several mineral
deposits. AGI
Drusy quartz. Fay
Sp. Raw ore. Hess
See:elaterite; helenite.
Sp. Carbonate ore. Hess
a. A pulverulent, lusterless substance, showing distinct vegetal
structure, and containing a high percentage of carbon with little hydrogen
and oxygen, occurring in thin layers in bituminous coal. Called mother of
coal by miners. Fay
b. Another name for fusain. BS, 4
A mining claim. Mathews