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sidehill cut

A long excavation in a slope that has a bank on one side, and is near
original grade on the other. Nichols, 1

side-hitching

An act in which a mule is hooked by its harness to the side instead of the
front of a loaded car to give it enough momentum to slide onto a cage.
Korson

side-laning

S. Staff. The widening of an abandoned gate road, and making it part of
the new side of work. Fay

sideline

a. The line connecting the dredger with anchorage on either side and winch
on board used to steady the hull in required digging position.
See also:headline
b. A surface line of the claim along the vein. It bounds the side of the
claim.

sideline agreement

In a mineral claim where the apex law applies (United States), neighboring
mine owners may come to a sideline agreement to adjust or limit the law as
it affects their respective properties. Nelson

sidelong reef

An overhanging wall of rock in alluvial formation extending parallel with
the course of the gutter; generally only on one side of it.

side piles

The side poling boards used in driving a heading. Stauffer

sideplate

In timbering, where both a cap and a sill are used, and the posts act as
spreaders, the cap and the sill are spoken of as the sideplates.
See also:endplate; wallplate. Fay

side-port furnace

A furnace with ports on the sides. ASTM

siderite

a. A trigonal mineral, FeCo3 ; calcite group, with Fe replaced by
Mg toward magnesite and Mn toward rhodochrosite; rhombohedral crystals and
cleavage; light to dark brown; in bedded deposits (black-band ores, clay
ironstone); occurs in hydrothermal veins, cavities in mafic igneous rocks,
pegmatites, and limestone; a source of iron. Syn:chalybite;
spathic iron; sparry iron; rhombohedral iron ore; iron spar; junckerite;
junkerite; siderose; white iron ore. See also:iron ore
b. An obsolete syn. of sapphire quartz. See also:sapphire quartz
AGI
c. An obsolete term formerly applied to various minerals, such as
hornblende, pharmacosiderite, and lazulite. AGI
d. A general name for iron meteorites, composed almost wholly of iron
alloyed with nickel. Obsolete syn: aerosiderite. AGI

siderodot

A variety of siderite containing calcium.

sideroferrite

A variety of native iron occurring as grains in petrified wood.

siderogel

Amorphous FeO(OH) in some bog iron ores.

sideromelane

A basaltic glass from the palagonite tuffs of Sicily, Italy. Fay

sideronatrite

An orthorhombic mineral, Na2 Fe(SO4 )2 (OH).3H (sub
2) O ; soft; orange to straw-yellow.

siderophile

a. Said of an element concentrated in the metallic rather than in the
silicate and sulfide phases of meteorites, and probably concentrated in
the Earth's core relative to the mantle and crust (in Goldschmidt's scheme
of element partition in the solid Earth). AGI
b. Said of an element with a weak affinity for oxygen and sulfur, and
readily soluble in molten iron. Examples are Fe, Ni, Co, P, Pt, Au.
CF:lithophile

siderophyllite

A monoclinic mineral, KFe2 Al(Al2 Si2 )O10
(F,OH)2 ; mica group.

siderosa

Sp. Spathic iron ore or siderite.

sideroscope

An instrument for detecting small quantities of iron by the magnetic
needle. Webster 2nd

siderose

See:siderite

siderosis

Pneumoconiosis occurring in iron workers from inhalation of particles of
iron. Webster 3rd