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Dictionary of Spanish Mining Terms - 1ORO1.COM

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SPANISH MINING TERMS Ave<br />

ATRANCAR, Mex. blast, to drill a hole at a very acute angle (Dwight),<br />

see. barrenar (1).<br />

ATRAVESADA, see atravesado.<br />

ATRAVESADO, DA, adj. labor atravesada, transverse working or cross-cut<br />

method.<br />

ATRAVESADO (or atravesada), (1) timb. sole-piece, see solera (3) ; (2)<br />

timb. dividing-piece <strong>of</strong> a shaft-frame, syn. Pacbuca, Hid. Mex., partido<br />

(4) (solid division), Zac. Mex. pasamano (3), tabique, travesano (3),<br />

traviesa (2), equiv. Fr. traverse, Ger. Einstrich ; (3) see cruzada (1).<br />

ATRAVESANO,<br />

ATRAVESANTES,<br />

see travesano.<br />

see cruzantes.<br />

ATRAVESAR, a. un filon, to cut across a lode, see cruzar.<br />

ATRICI6N, attrition, rubbing, abrasion, syn. frotacion miento (2).<br />

(2), (geol.) roza-<br />

ATUFAMIENTO, stifling an underground fire by damming, by carbonic<br />

acid gas or other means, syn. ahogo.<br />

ATURDIR, Mex. to subdivide, mechanically, the quicksilver in a torta<br />

so as to quicken its action upon the mineral treated (Dwight).<br />

ATLJTIA, tutty or oxide <strong>of</strong> zinc mixed with protoxide <strong>of</strong> iron, oxide <strong>of</strong><br />

lead, cadmium, etc. formed as a crust on the chimneys <strong>of</strong> furnaces.<br />

AUQUIS, Peru, rock-drillers in mines (Dwight), comp. barretero.<br />

AUMENTO, see hinchazon.<br />

AUREOLA AZUL, vent, the cap, show or blue " top," halo or aureola<br />

<strong>of</strong> the flame <strong>of</strong> a candle or lamp in an atmosphere containing fire-damp.<br />

AURIFERO, RA, adj. auriferous.<br />

AUTOS, see expediente.<br />

AUXILIARES, see u. labor (1).<br />

AVALUAR, to appraise, value, estimate.<br />

AVALUO, valuation, appraisement.<br />

a. del cilindro, cylinder head<br />

AVANCE, mech. lead, lap (Ponce de Leon) ;<br />

(Fr. tete du cylindre) ; labor en a., see u. labor (3).<br />

AVANTREN (limbers <strong>of</strong> a gun-carriage), blast, the four small wheels <strong>of</strong> a<br />

Dubois-Frangois drill-carriage, to enable it to be <strong>of</strong> small radius.<br />

pushed over curves<br />

AVANZAR, to drive, syn. abrir (1), Mex. colar (1), dar cuele (1).<br />

AVELLANADO, counter-sinking for bolts, rivets, etc.<br />

AVELLANADOR, countersink-bit, rose-bit ;<br />

AVELLANAR,<br />

to countersink.<br />

AVENA, oats.<br />

AVENADO, see u. campanil and vena (2).<br />

see u. verano.<br />

AVENIDAS,<br />

rimer.<br />

AVENTADERO, (1) Ant. Col. a placer higher than a sabana (2) or sobresabana<br />

:<br />

" Estas minas son como botaderos 6 embestidores de los rios,<br />

para servirnos de los expresiones originales con que las designan "<br />

(Fray Pedro Simon, 1625), comp. hucica ; (2) Peru, name given by the<br />

country people to an auriferous deposit or placer, see placer : according<br />

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