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Dictionary of Spanish Mining Terms - 1ORO1.COM

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Mar A DICTIONARY OF<br />

reported as marcos and onzas per carga, quintal or monton (2000 Ib.<br />

Mexican), but the decimal system has been compulsory for some<br />

years ; (2) timb. frame or set for a level or shaft, see cuadro (2) in<br />

;<br />

Mex. am. de tiro de arrastre (inclined shaft frame) consists <strong>of</strong> two Haves<br />

(13)orbocas(10), one cabezal (3), one caneleja (1), and one pasamano<br />

(1) or board as a divider ; ademe de m. y estacada (2), open crib-<br />

timbering ; (3) marcos, Guan. Mex. continuous frames <strong>of</strong> timber in a<br />

shaft, see anillo (2) ; (4) carp, door-frame or window-frame, syn. cerco<br />

(2) de puerta or ventana, chambrana (2), jambaje, see dintel, jamba ;<br />

(5) determined measure, as to length, breadth and thickness, that<br />

large timbers (maderos) should have, according to their class (Acad.).<br />

MAREJADAS (swells <strong>of</strong> the sea), geol. cross-bedded structure or currentbedding.<br />

MARGA, (1) marl (geologically, a clay containing a large proportion <strong>of</strong><br />

carbonate <strong>of</strong> lime, but any fertilising bed <strong>of</strong> clay or sand is <strong>of</strong>ten called<br />

marl), syn. barro (2), buro (2), grada (2), tierra gredosa (clay-marl),<br />

see arga (1), tosca (2) ; (2) Titiribi, Ant. Col. spathic iron, see<br />

siderosa.<br />

MARGAJAS, see marmaja (2).<br />

see marcasita.<br />

MARGAJITA,<br />

MARGEN, bank <strong>of</strong> a river, see ribera.<br />

MARGOSO, SA, adj. marly, loamy.<br />

MARGUERA, marl-pit.<br />

MARIPOSA (night-taper), (1) lamp (lampara) with a naked light (Chalon) ;<br />

(2) pump, butterfly valve, see u. valvula.<br />

MARISMA, lake formed by the overflow <strong>of</strong> the tide (Velazquez) ; salt<br />

lake or marsh (Ponce de Leon), see cienaga (1) and (2), laguna (1),<br />

saladar.<br />

MARITATA, see noque (2).<br />

MARJAL, fen. marsh, syn. Mure. Sp. armajal, see pantano (1).<br />

MARMAJA, (1) Mex. iron pyrites, see pirita comun u. pirita ; (2) mar-<br />

majas, Mex. in the patio process, the pyritic residue or schlich obtained<br />

in separating the argentiferous amalgam by washing [on the planilla<br />

(1)] consists chiefly <strong>of</strong> FeS,, and contains from 0*08 to 0'25 per cent,<br />

<strong>of</strong> silver (Dr. Percy) ; sometimes spelt margajas, comp. bites, cabe-<br />

zuela (1), eslique, gandinga, jagua (3), mole (2), plomillo (1), polvillos<br />

(3), recorte (5) ; (3) Ant. Col. marcasite, see marcasita ; (4) marmajas,<br />

Ant. Col. pyrite, frequently rich in gold and silver, syn. marmato,<br />

see machonga.<br />

MARMATO, see marmaja (4).<br />

MARMITA, met. metal pot (olla de metal)<br />

lead, etc., is poured, comp. reposadero (2).<br />

or kettle into which molten<br />

MARMOL, marble ; m. brecha, breccia marble ; m. brocatel, marble<br />

with spots and veins <strong>of</strong> various colours ;<br />

m. estatuario or de estatuas,<br />

statuary marble (e.g., from Carrara, Italy) ; m. lumaquela, shell<br />

marble ; m. mejicano, see tecali ; m. pintado, spotted marble ; m.<br />

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