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Mining
Glossary
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F
Face - A working place from
which coal or mineral is extracted. The exposed surface of coal
or other mineral deposit in the working place where mining, winning,
or getting is proceeding.
Fault - A break in the continuity of a body
of rock. It is accompanied by a movement on one side of the break
or the other so that what were once parts of one continuous rock
stratum or vein are now separated.
Fines - In general, the smallest particles of
coal or mineral in any classification, process, or sample of the
run-of-mine material.
Fire - To blast with gunpowder or other explosives.
A word shouted by miners to warn one another when a shot is fired.
Fire Boss - A person designated to examine the
mine for gas and other dangers. In certain states, the fire boss
is designated as the mine examiner.
Floor - The rock underlying a stratified or
nearly horizontal deposit, corresponding to the foot wall of more
steeply dipping deposits. A horizontal, flat ore body.
Flotation - The method of mineral separation
in which a froth created in water by a variety of reagents floats
some finely crushed minerals to the surface and other minerals
sink.
Fluidity (Plasticity) - In mineral transport,
term not confined to liquids and slurries, but also used for finely
divided solids which flow readily in air currents, fluosolids
reactors, or through dry ball mills.
Freeze Dried Additives - Chemicals added to
the coal to prevent freezing during shipping.
Front End Loader - A tractor
loader with a digging bucket mounted and operated at the front
end of the tractor. A tractor loader that both digs and dumps
in front.
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