Dictionary of Spanish Mining Terms - 1ORO1.COM

Oci A DICTIONARY OF
OCINADO, see u. tiro (1).
OCONAL, Peru, swampy pasture-land, comp. pantano.
OCOTE, (1) Mex. a very resinous kind of pine, used for lighting furnaces,
etc. ; (2) Span. Am. name generally given to a kind of laurel used for
timbering.
OCRE, ochre ; see u. amarillo, lla, azufrado (1), bolo (2), u. caparrosa (1),
carmin, sil ; o. almagro, Colorado or rojo, red ochre, see almagre,
lapiz (2) ; o. amarillo, or o. amarillo de hierro, yellow ochre, see tecozahuitl
; o. de niquel, nickel ochre or annabergite, see niquel (2).
OFICIAL, (1) workman, see trabajador ; (2) o. de albanil, journeyman
or master-bricklayer ; o. de carpintero, journeyman or master-
official or boss.
carpenter, see maestro (2) ; (3)
OFICINA, (1) workshop, see taller (1) ; (2) office, counting-house, syn.
despacho (1) ; (3) Guadalcazar, S. L. Pot. Mex. a furnace [horno (2)]
containing twelve or more clay-retorts, six on a side, for reducing
quicksilver ores ; (4) Peru, Chile, nitrate -works, syn. o. de beneficio ;
o. de concentration, concentration -works ; o. de fundicion, smelting-
works, see hacienda (3) and (4).
OHMIO, el. ohm (Acad.).
OIDO, (ear), (1) blast, orifice left in the tamping
for the insertion of the
fuse ; (2) vent, inner opening of a fan (ventilador), comp. canalizo.
GIRO, see ouro.
OITAVA, Port, one dram or the eighth part of an ounce (onc,a) ; in
Braz. = "1111214 oz. troy or 55'34 grains, see vintem.
OJAL (button-hole), hoist, loop used in capping ropes, etc. ; loop tied
to rope of a hand-winch, when used for raising or lowering men, etc.
OJO (eye), (1) bunch or small spot of ore in a lode, small irregular deposit,
equiv. Port, olho (2), see clavo (2) ; o. de polvillo, spot of rich ore ;
(2) o. de agua, spring that spouts in a plain (Acad.), see manantial ;
(3) o. de gato, cat's eye, see cuarzo ;
(4) o. de vibora, Zac. Mex. yellow
blende, see blenda ; (5) o. de muerto, Cauca, Col. blue porphyry, so
called because of the large size and dead-white colour of the crystals
(Granger and Treville), see porfido (1) ; (6) opening in the wall of certain
wells for the passage of the water which drives the wheel (Acad.) ;
(7) o. de una ciguena (3), eye of a crank, aee manubrio (3) ; (8) hole
through the centre of a wheel for the axle, axis or shaft ;
hammer (martillo), see olho (3) ; (10) ojos,
(9) eye of a
hoist, eyes of a kibble
[tonel (2)], usually four in number, for hooking on to a chain. NOTE.
In Engl. the small handle at the base, for convenience in tipping, is
sometimes called the " eye." (11) O. del horno, met. eye of the furnace,
or bottom opening of the shaft or tunnel, see cuba (4) ; (12) span of a
bridge, see luz (4) ; (13) mesh, see malla ; (14) met. peep-hole or
port-hole of a blast-furnace (Ibran), see lumbrera (3).
OLHO (eye) (1) Braz. vug or druse, see drusa ; (2) Braz. swell or bunch
of ore, see bolsa (1), ojo (1) ; (3) Port, iron ring in which the helve of
an axe is fixed, eye of a hammer, etc., see ojo (9).
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