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solifluction

The slow, viscous downslope flow of waterlogged soil and other surficial
material, normally at 0.5 to 5.0 cm/yr; esp. the flow occurring at high
elevations in regions underlain by frozen ground (not necessarily
permafrost) that acts as a downward barrier to water percolation,
initiated by frost action and augmented by meltwater resulting from
alternate freezing and thawing of snow and ground ice. The term has been
extended to include similar movement in temperate and tropical regions;
also, it has been used as a syn. of soil creep, although solifluction is
generally more rapid. It is preferable to restrict the term to slow soil
movement in periglacial areas. Also spelled solifluxion. Syn:soil flow;
soil fluction; sludging. AGI

sollar

a. Landing stage in a mine shaft. Also spelled soller; solar.
Pryor, 3
b. A timber staging, alongside a haulage level, for piling ore ready for
loading into mine cars. Nelson
c. A staging between ladderway sections in a shaft. Nelson
d. The plank flooring of a gallery covering a gutterway beneath.
e. A longitudinal partition forming an air passage between itself and the
roof in a mine working. Webster 3rd
f. A platform from which trammers shovel or throw the ore or rock into a
car.
g. A wooden platform fixed in a shaft for ladders to rest on.
See also:air sollar

soller

See:sollar

solonetz soil

A soil occurring most commonly under arid conditions, but may also be
found in semiarid and subhumid regions. Usually found in depressions where
it has originated by evaporation under shallow ground-water conditions.
Characterized by sodium carbonate as the predominant salt and a
dark-colored B horizon, which is strongly alkaline in reaction.
Hawkes, 2

solubility

a. The extent that one material will dissolve in another, generally
expressed as mass percent, or as volume percent or parts per 100 parts of
solvent by mass or volume. The temperature should be specified.
ASTM
b. The weight of a dissolved substance that will saturate 100 g of a
solvent. CTD
c. Concentration of a substance in a saturated solution; i.e., in
equilibrium between dissolved and undissolved phases at given temperature.
Pryor, 3

solubility product concentration

In a saturated solution of an electrovalent compound having limited
solubility, the product of the ionic concentrations, at the exponential
value shown in the stoichiometric equation for its dissociation, is
constant at a given temperature. Pryor, 3

soluble

Capable of being dissolved in a fluid. Crispin

soluble anode

An anode that goes into solution during an electrolytic process.
Osborne

soluble glass

Solid sodium silicate or potassium silicate. Syn:water glass
CTD

solute

a. The substance dissolved in a solution, as distinguished from the
solvent. Standard, 2
b. A substance dissolved in a liquid.

solution

A substance that is a homogeneous mixture and has a continuous variation
of composition up to a solubility limit.

solution breccia

A collapse breccia formed where soluble material has been partly or wholly
removed by solution, thereby allowing the overlying rock to settle and
become fragmented; e.g. a breccia consisting of chert fragments gathered
from a limestone whose carbonate material has been dissolved away.
See also:evaporite-solution breccia
AGI

solution cavity

A cavity formed in certain rocks in which percolating sollutions have
filled with valuable minerals; cavities formed in certain rocks, such as
limestones, where portions have been dissolved by percolating waters.
See also:mineralization

solution injection

Artificial cementing of loose soils or strata to increase their
load-bearing capacity. Hammond

solution mining

a. The in-place dissolution of water-soluble mineral components of an ore
deposit by permitting a leaching solution, usually aqueous, to trickle
downward through the fractured ore to collection galleries at depth. It is
a type of chemical mining. CF:in situ leaching
b. The mining of soluble rock material, esp. salt, from underground
deposits by pumping water down wells into contact with the deposit and
removing the artificial brine thus created. AGI
c. Hydrometallurgical treatment of ore for recovery of the mineral values
at the mine site, in conjunction with conventional open pit or underground
mining procedures. See also:surface leaching

solution pipe

A vertical cylindrical hole, formed by solution and often without surface
expression, that is filled with detrital matter. AGI

solution plane

A crystallographic direction of chemical solubility in a crystal, possibly
due to exsolution of a second crystalline phase on falling temperature
and/or pressure or to unannealed slip during plastic deformation. Solution
planes may lead to parting in some mineral specimens.

solution ripple

See:scallop

solution subsidence

Gradual subsidence of nonsoluble strata due to the solution of underlying
rock. AGI

solvate

A chemical compound consisting of a dissolved substance and its solvent,
e.g. hydrated calcium sulfate. AGI

Solvay process

Manufacture of sodium carbonate or soda ash, Na2 CO3 from
salt (sodium chloride), ammonia, carbon dioxide, and limestone by a
sequence of reactions involving recovery and reuse of practically all the
ammonia and part of the carbon dioxide. Limestone is calcined to quicklime
and carbon dioxide. The carbon dioxide is dissolved in water containing
the ammonia and salt, with resulting precipitation of sodium bicarbonate.
This is separated by filtration, dried, and heated to form sodium
carbonate. The liquor from the bicarbonate filtration is heated and
treated with lime to regenerate the ammonia. Calcium chloride is a major
byproduct. CCD, 2