See:hasson
Scot. A vertical gutter between water rings in a shaft. Syn:hassing
See also:gauton
A series of clay and sand deposits in the Lower Cretaceous of southeast
England; the Fairlight Clays at the base of these deposits have been used
for brickmaking near Hastings and Bexhill. Dodd
Any of several types of conveyors adapted to loading or unloading bulk
materials, packages, or objects to or from ships or barges.
See also:belt conveyor CF:portable conveyor
A small anvil on which to bend sheet metal. Standard, 2
A yellowish-white, wax-yellow, or greenish-yellow paraffin wax usually
found inside ironstone nodules and geodes in coalbeds or limestone. It
melts at 55 to 65 degrees C, is sparingly soluble in boiling alcohol and
cold ether, and is decomposed by concentrated sulfuric acid.
Syn:mineral tallow
A naturally occurring soft paraffin wax; forms veinlike masses in
ironstone nodules associated with coal-bearing strata, South Wales; in
limestone cavities, France. Syn:adipocerite; adipocire;
mineral adipocire; mineral tallow. See also:grave wax
CF:ozocerite
A former name for uran-pyrochlore.
a. Brist. An underground way or self-acting inclined plane, in a thin seam
of coal, extending from 60 to 80 yd (55 to 73 m) to the rise. Fay
b. See:hachure
See:hachure
Dielectric separation process. Pryor, 3
Hat-shaped metal guides for ropeways around bends. Pryor, 3
The mineral group arsenohauchecornite, bismutohauchecornite,
hauchecornite, tellurohauchecornite, and tucekite.
a. The distance from the coal face to pit bottom or surface; the distance
quarry or opencast products must be moved to the treatment plant or
construction site; the distance from the shaft or opencast pit to spoil
dump. Nelson
b. Average haul; the average distance a grading material is moved from cut
to fill. Nichols, 1
c. In the construction of an embankment by depositing material from a
cutting, the haul is the sum of the products of each load by its haul
distance. CTD
A steel barge with large hatchways and coal transporters used for coaling
ships. Webster 3rd
a. The drawing or conveying, in cars or otherwise, or movement of workers,
supplies, ore, and waste both underground and on the surface.
Lewis
b. In dividing the transportation system according to the area served
there is (1) primary or face haulage, (2) secondary haulage, and (3)
main-line haulage. See also:transport; intermediate haulage;
relay haulage; locomotive haulage; underground haulage. Kentucky
c. Applied generally to track mining as opposed to conveyor mining,
although belt conveyor systems are sometimes referred to as belt haulage.
BCI
d. The system of hauling coal out of a mine. Korson
e. S. Afr. A drive used for mechanical transport. Beerman
In bituminous coal mining, a foreperson who supervises mine haulage
operations underground or at the surface. DOT
See:brake
Rail haulage cars for surface or mine shaft operations that are used to
carry ore and equipment to and from the digging site. Best, 1
In the early days chains were used in haulage in and around mines. Wire
rope has displaced them. Korson
A device to effect a secure attachment of tub to the haulage top, chiefly
with endless rope haulage. The usual type attains the grip on the rope by
two jaws that may be tightened by either a screw or a lever movement. The
connection of the clip to the tub is usually made to the drawbar by a hook
or link. The clip must maintain a sure grip on the rope and be capable of
easy and quick manipulation. See also:automatic clip; clip.
Nelson