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Quartz. —A silicious vein stuff occurring largely associated with ores. 
Quartzite. —An altered sandstone in which the grains of sand have been 
cemented by silica. 
Quartz Ore. —A rock containing a large quantity of quartz. 
Quicklime. — Limestone from which the carbonic acid has been driven off by 
heat. 
Quicksilver. — Mercury. 
E-ace. — An aqueduct to or from a water wheel. 
Eag Pump. —A chain passing through a pipe with pieces of rag here and 
there, which act as buckets or suckers. 
Eake Vein. — A vein or lode cutting through the strata. 
Eealgar. — Eed sulphide of arsenic. 
Eeed, Eush or Sri re. — A reed tilled with powder to act as a fuse. 
Beef. —A quartz lode or vein. 
Eeverberatory. —A furnace with a large ore hearth on which the flame and 
furnace gasses are thrown. 
Eib.—S tring of ore in a lode. 
Eider.— A mass of country enclosed in a lode. A horse. 
Eiffle or Eitple. — B ars at the bottom of a sluice-box to catch the gold. 
Eise. -Aii ascending gallery at the end of a level. 
Eock. — A geological term for the substances which compose the earth’s crust. 
Eock Salt. — A massive form of common salt. 
Eod Shaft. — A shaft containing pump rods. 
Eolls. —Crushing rollers. 
Eoof.—O verhead in a mine. 
Eotten Stone. — A soft friable silicious earth used for polishing. 
Eight Lode. —A true fissure vein. 
Eubble.— Loose stones. 
Eun. — C ourse of the lode or rich gutter (a run of gold). 
Euns. —Percentage of metal to ton of ore. 
Saltpetre. — N itrate of potash. 
Salting. —Introducing rich mineral matter from somewhere else to make a 
mine appear richer than it really is. 
Sample. — Portion of ore for assay supposed to represent an average of the 
whole quantity. 
Satin Spa. — A fibrous form of gypsum. 
Scale. —The flakes and rubble that fall in after the ore has been removed. 
Schist. — A rock with a foliated structure due to the minerals being in layers. 
Schorl. — An ashy or cindery character. Black tourmaline. 
Seam. — A bed of coal. A horse load of tin. 
Seat. — The bottom or roadway of a mine. 
Secondary. — Geological period generally called Mesozoic, which embraces all 
the rocks between the tertiary and primary. 
Sectile. — Capable of being cut. 
Sedimentary. —Eocks which have been deposited from suspension in water. 
Segregation. —A natural law by which particles of an element or elements 
are attracted together, thus separating out from other substances in the mass. 
Serpentine. —A magnesian silicate rock of Plutonic origin. 
