a. The side or limb of an anticline. Fay
b. See:catch; chair; dog; rests; wing.
A belt conveyor tripper having auxiliary conveyors extending laterally to
one or both sides to provide wider distribution of bulk material being
discharged.
See:pier dam
Scot. Pillar of coal that has been reduced in size. Fay
A wall that guides a stream into a bridge opening or a culvert barrel.
Nichols, 1
Warty, elongate pyrite nodule, Essex, U.K.
a. The excavation, loading, and removal of coal or ore from the ground;
winning follows development. Nelson
b. The operation of mining an ore and opening up a new portion of a coal
seam. CTD
c. The portion of a coalfield laid out for working. Fay
d. The combined process of excavating and transporting a raw material such
as clay to a brickworks or stockpile. Dodd
A development heading off which oblique headings and conveyor panels are
formed and worked (longwall); any of the development drivages in the solid
coal, about 15 yd (13.7 m) apart, and of which bords and pillars are
formed (pillar method of working). Nelson
Air blowing. Tossing up dry powdered auriferous material in air, and
catching the heavier particles not blown away. Fay
A term used in Alaska to describe gold-bearing gravel mined during the
winter and stored on the surface for sluicing in the spring and summer.
Fay
a. A vertical opening driven downward connecting two levels in a mine.
When one is standing at the top of a completed connection the opening is
referred to as a winze, while when standing at the bottom, the opening is
a raise, or rise. Syn:winds
b. A subsidiary shaft that starts underground. It is usually a connection
between two levels. Syn:way shaft
c. Can. Interior mine shaft. Hoffman
a. A continuous length of metal drawn from a rod. Hammond
b. War. A haulage rope. Fay
c. See:capillary
A cast shape, particularly of tough pitch copper, which has a cross
section approx. square with tapered ends; designed for hot rolling into a
rod for subsequent drawing into wire. ASM, 1
Screen composed of wire or rod woven or crimped into a square or
rectangular pattern. Nichols, 1
A form of sheet glass produced by rolling wire mesh into a ribbon of glass
so that it acts as a reinforcement and holds the fragments together in the
event of the sheet being fractured. CTD
A buoyed wire towed by a ship at a given depth to determine whether any
isolated rocks, small shoals, etc., extend above that depth, or for
determining the least depth of an area. Hunt
a. A gage for measuring the diameter of wire. Fay
b. A standard series of sizes used in the manufacture of wire (diameter)
or sheet metal (thickness) and indicated by arbitrary numbers. Fay
c. A notched plate having a series of gaged slots, numbered according to
the sizes of the wire and sheet metal manufactured; used for measuring the
diameter of wire. The gage most widely used in the United States is the
U.S. Standard Steel Wire, which name has official sanction, without legal
effect. The Birmingham gage is recognized in acts of Congress for tariff
purposes. Two gages (American Gage; Browne and Sharpe's) are used for
copper wires and all nonferric metal wires. Crispin
A gauzelike texture of fine wire, such as that used for the chimneys of
flame safety lamps. Fay
The hanger from which wire or cable is suspended.
a. As used in a general sense, any cable or rope made of steel wires
twisted together to form the strands. Specif., a steel wire rope 5/16 in
(7.9 mm) or less in diameter. See also:cable
b. A general term for any flexible steel line or cable drill connecting a
surface winch to a tool assembly lowered in a well bore. Also spelled
wireline. AGI