A standard capacity or performance measurement for compressors.
Nichols, 1
A cubic zeolite; analcime. Also spelled cubizite.
The loosest manner of systematic arrangement of uniform solid spheres in a
clastic sediment or crystal lattice, characterized by a unit cell that is
a cube whose eight corners are the centers of the spheres involved. An
aggregate with cubic packing has the maximum porosity (47.64%).
AGI
Any plane normal to one of the crystallographic axes in the isometric
system having Miller indices 100 .
The crystal system that has the highest degree of symmetry; it embraces
such forms as the cube and the octahedron. See also:cubic
a. A crystal form that has faces of both the cube and the dodecahedron.
b. The combined isometric form of a cube modified by an octahedron or an
octahedron modified by a cube.
Subsidiary shots in the roof of a longwall working, between the coal face
and the waste, or in any waste. Nelson
Scot. An inclined roadway, worked in the same manner as a self-acting
incline.
a. A hill or ridge with a gentle slope on one side and a steep slope on
the other; specif. an asymmetric ridge (as in the Southwestern United
States) with one face (dip slope) long and gentle and conforming with the
dip of the resistant bed or beds that form it, and the opposite face
(scarp slope) steep or even cliff like and formed by the outcrop of the
resistant rocks, the formation of the ridge being controlled by the
differential erosion of the gently inclined strata. AGI
b. A ridge or belt of low hills between lowlands in a region of gently
dipping sedimentary rocks (as on a coastal plain), having a gentle slope
conforming with the dip of the rocks and a relatively steep slope
descending abruptly from its crest.---Etymol: Spanish, flank or slope of a
hill; hill, mount, sloping ground. CF:hogback; wold; scarp; escarpment.
AGI
Sp. A cave or grotto.
The part of a brillant-cut stone below the girdle.
a. The small lower terminus of a brilliant-cut gem. It is parallel to the
table. Standard, 2
b. The small facet that is polished parallel to the girdle plane across
what would otherwise be the sharp point or ridge that terminates the
pavilion of a diamond or other gemstone. Its principal function is to
reduce the possibility of damage to the gemstone. Also spelled collet.
a. A vernacular term variously applied, according to the locality, to
carbonaceous shale, or to fissile varieties of anthracite coal.
Rice, 1
b. English Anthracite; a kind of coal, of indifferent quality, burning
with a small flame, and emitting a disagreeable odor.
c. Anthracite fines that will pass through a screen with 1/8-in holes.
Nelson
d. In anthracite terminology, the waste accumulation of coal, bone, and
rock from old dry breakers. Mitchell
e. In bituminous coal preparation, culm corresponds to slurry or slime,
depending upon the size distribution of the suspended solids.
Mitchell
f. Kolm. AGI
g. The anthracite contained in the series of shales and sandstones of
North Devon, England, known as the Culm Measures. AGI
h. Coal dust or fine-grained waste from anthracite mines. Syn:kulm
AGI
The deposit on the surface of culm usually kept separate from deposits of
larger pieces of slate and rock. Also called culm dump. Hudson
Containing culm as coal. Standard, 2
The highest point of a structural feature, e.g., of a dome or anticlinal
crest. The axis of an anticline may have several culminations that are
separated by saddles. See also:crest
See:acid-etch tube
a. Same as volgerite. English
b. A tetragonal mineral, Pb21 Cu20 Cl42 (OH)40.
Also spelled cumengeite.
A monoclinic mineral, (Fe,Mg)7 Si8 O22 (OH)2 ;
amphibole group; has Mg/(Mg + Fe2+ ) = 0.30 to 0.69 ; prismatic
cleavage; may be asbestiform; in amphibolites and dacites; fibrous
varieties (amosite, magnesium rich, and montasite, iron rich) are used as
asbestos.
An igneous rock formed by the accumulation of crystals that settle out
from a magma by the action of gravity; examples include layered igneous
deposits such as the Bushveld complex in South Africa and the Stillwater
complex in Montana. Syn:accumulative rock
The curve obtained from the result of a float and sink analysis by
plotting the cumulative yield at each specific gravity against the mean
ash of the total floats at that specific gravity. BS, 5