A monoclinic mineral, NaCaB5 O7 (OH)4 .3H2 O ;
colorless; forms radiated columnar crystals; in Kern Country, CA.
Syn:kramerite; boydite.
Thrusting a pointed steel rod down through sand or soft clays to contact a
seam or orebody. The point of the rod is examined for traces of coal or
mineral. See also:auger
The term proceedings is broader than the term action, yet in the mining
law it is used in the sense of action and refers to the commencement of an
action. It is used to enable a party to institute such proceedings under
the different forms of actions allowed by the State and Federal courts.
Ricketts
A series of operations conducted to achieve a result. Webster 3rd
Company formed for the purpose of exploiting a patented process.
Hoover
A basic flowsheet indicating the main operational steps within a plant,
the movement of the various materials between the steps, and the final
products obtained, and often also the quantities of material with which
the plant must be capable of dealing at various points. BS, 5
a. The methods employed to clean, process, and prepare coal and metallic
ores into the final marketable product. Nelson
b. The various artificial methods adopted for strengthening a soil, such
as compaction, treatment with bitumen, lime, cement, etc.
See also:stabilizer; soil stabilization. Nelson
An official land surveyor. Standard, 2
In mineral processing, the delay or retardation in the response of the
controlled variable at a point of measurement to a change in value of the
manipulated variable. Fuerstenau
Branch of metallurgy that deals with the recovery or extraction of metals
from their ores. See also:extractive metallurgy
The scrap arising during the manufacture of finished articles from iron
and steel, and usually returned to steelworks after sorting and processing
by scrap merchants. See also:capital scrap; circulating scrap.
Nelson
A quick and convenient method for testing the resistance of a fine-grained
soil to penetration at a standard rate of 1/2 in/s (1.27 cm/s). Needles
from 1 to 0.05 in2 (6.5 to 0.3 cm2 ) area are used, and
a spring balance indicates the pressure required for the needle to
penetrate the soil. See also:penetration resistance; penetrometer;
soil. Nelson
See:impact cast
a. An indicator of slip direction on a slickensided fault surface,
consisting of a groove made by a clast. AGI
b. A short tool mark oriented parallel to the current of a stream and
produced by an object that plowed into and was then raised above the
bottom; its longitudinal profile is asymmetric. The mark deepens gradually
downcurrent where it ends abruptly (unlike a flute). CF:bounce cast
Syn:impact cast
a. The marketable ores or minerals produced by mining and dressing.
b. Corn. The amount of fine copper in one hundred parts of ore.
a. Person who extracts ore or coal from mines, rock from quarries, metals
from ore by metallurgical processes, etc. See also:production
b. A producing well. AGI
c. A furnace or apparatus that produces combustible gas to be used for
fuel; usually of the updraft type, which forces or draws air or a mixture
of air and steam through a layer of incandescent fuel (such as coke) with
the resulting gas consisting chiefly of carbon monoxide, hydrogen, and
nitrogen. Webster 3rd
d. An organism (e.g., most plants) that can form new organic matter from
inorganic matter such as carbon dioxide, water, and soluble salts.
AGI
Percent of metal in ore. Gordon
That which is produced or made; any tangible result of industrial or other
labor. The yield or output of a mine, metallurgical plant, or quarry.
See also:producer
In metal mining, a person who keeps a record of the number of containers
(cars, buckets, or skips) raised to the surface, and the amount of ore
contained in each, estimating or weighing the contents. DOT
A team of workers employed at the face on production, covering all face
operations, maintenance, and supplies. Nelson
Yielding payable ore.