A scraper mounted on an axle supported by a pair of wheels. It affords an
easy means of conveying a loaded scraper to a dumping ground.
See also:bowl scraper
Eng. A small unexpected turning in the stone, side, or ore, often
accompanied by a small joint; Derbyshire. Arkell
A monoclinic mineral, Pb4 Cu(CO3 )(SO4 )2
(Cl,OH,O)3 ; pale green; finely granular; related to caledonite; at
the Mammoth Mine, AZ.
Any hard fine grained rock, commonly siliceous, that is suitable for
sharpening implements such as razors, knives, and other blades; e.g.,
novaculite.
A firebrick hot-blast stove on a regenerative system. Fay
A monoclinic mineral, Ca(C2 O4 ).H2 O ; soft; in coal
seams, incrustations on marble; also in human urinary tracts.
Syn:oxacalcite
Eng. A whitish earth found at Thame, Waterperry, and Adwell; mixed with
straw, and used for sidewalls and ceilings; a natural mixture of lime and
sand, flakes in water (like gypsum) without any heat. Arkell
a. A large capstan or vertical drum turned by horsepower or steam power.
Used to raise coal, water, etc., from a mine. Also called: whimsey; whim
gin; horse gin. Fay
b. Drum on which a hoisting rope is coiled. Also spelled wem.
Pryor, 3
A laborer who drives a draft animal at the surface of a mine to supply
power to a whim (large drum on which a cable is wound) used to hoist ore,
coal, or rock in a shallow shaft. Becoming obsolete. DOT
See:whim; horse gear.
A shaft through which coal, ore, water, etc., are raised from a mine by
means of a whim. Zern
a. Igneous rock. When parallel to the bedding planes, it is called a
whinsill; when cutting across the strata, a whin dike. Nelson
b. A hard, compact rock. Gordon
c. Whinstone or whinrock. In Nova Scotia, miners apply this term to a
thick-bedded rock composed of grains of quartz with argillaceous or
feldspathic matter that resembles graywacke. Fay
d. A whim or winch. Webster 2nd
e. See:dolerite
a. Scot. A horizontal sill or lava flow of igneous rock. Arkell
b. Scot. A kind of greenstone, basalt, or trap, occurring in coal
measures. Fay
Resembling or abounding in whinstone. Fay
A colloquial British term for dolerite, basalt, and other dark
fine-grained igneous rocks. The term is derived from the Whin Sill in
northern England. CF:trap
Cumb. Spotted schist. CF:calamanco; linsey. Arkell
a. A rope that passes over a pulley and is pulled by a horse to hoist ore.
Modern form occasionally seen has a car or lorry working backward and
forward for shallow pitting. Called whip-and-derry when used with a
derrick or gin. Pryor, 3; Fay
b. One who operates such a hoisting apparatus. Standard, 2
c. See:rod slap
See:whip
A gin block for use as a whip, as in hoisting. Standard, 2
The enlargement of a portion of a borehole caused by the eccentric
rotation and slap of the drill rods. Long
Person who raises coal, merchandise, etc., with a whip, as from a ship's
hold. Standard, 2; Fay