The amount paid by the smelter or other purchaser per ton of ore mined.
McKinstry
Material having a penetration at 77 degrees F (25 degrees C), under a load
of 50 g applied for 1 s, of more than 350. Urquhart
See:water glass
A partial syn. of fluid inclusion. AGI
Includes the following: 4 gills (gi) equal 1 pint (pt) or 0.47 L; 2 pt
equal 1 quart (qt) or 0.95 L; 4 qt equal 1 gal or 3.785 L; 31-1/2 gal
equal 1 bbl or 119.2 L; and 2 bbl equal 1 hogshead (hhd) or 238.5 L.
Crispin
Sintering of a compact or loose powder aggregate under conditions where a
liquid phase is present during part of the sintering cycle. ASTM
The pressure of a liquid on the surface of its container or on the surface
of any body in the liquid is equal to the weight of a column of the liquid
whose height equals the depth of the liquid at that certain point.
Kentucky
A flowsheet to indicate the flow of liquids throughout a series of
operations. BS, 5
A monoclinic mineral, Cu2 Al(AsO4 )(OH)4 .4H2
O ; soft; blue to green; occurs with malachite in the oxidized zone of
copper deposits. Syn:lentil ore
A possibly orthorhombic mineral, (Al,Fe)3 (AsO4 )(OH) (sub
6) .5H2 O ; forms thin encrustations at Liskear, Cornwall, U.K.
a. Mid. Dull coal, sometimes dirty. Tomkeieff
b. Derb. and Leic. A hard parting between coal seams. Arkell
c. York. A weak shale or a thin bed of any kind of rock. Arkell
d. Eng. A mine inspector's term for the schedule of particulars of
accidents. Fay
a. Fine shale or clay with glossy surfaces or slickensides due to crushing
and relative movement. The rock may form a layer over a coal seam as clod;
also applied to leather bed. Nelson
b. See:lashing
In gem cutting, a wheel covered with list or cloth on which gems are
polished. Also called list wheel. Standard, 2
A perforated skimmer for skimming molten tin. Standard, 2
A curved downward-flattening fault, generally concave upward. Listric
faults may be characterized by normal or reverse separation. AGI
Soft freestone between the Chert Vein and House Cap in the Portland beds
at Winspit, Purbeck, U.K.
A prefix meaning stone or stonelike.
A tetragonal mineral, PbO ; red; dimorphous with massicot, which is
yellow. Syn:lead ocher; lithargite.
See:litharge
See:kunzite; spodumene.