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Judge. — A staff used in measuring underground. 
Jump. — T o take possession of a claim, the property of others, on legal 
grounds. 
J umper.- — A long drill by which a hole is made by letting it fall, instead of 
striking it with a hammer. 
Junction.—T he union of two lodes. 
Kaolin.—C hina clay. Decomposed feldspar. 
Kerosene.—A mineral oil distilled from a bituminous shale. 
Kibbal or Kibble. — A barrel used to bring up ore or water from a mine. 
Kidney-iron-ore. — A variety of hematite named from its resemblance. 
Killas. — C lay slate in mineral country. 
Lacustrine.—D eposits which have accumulated in fresh water lakes or 
marshes. 
Lamina. — T hin layers. 
Lander.—B anksman who receives and lands the kibble at the top of the 
shaft. 
Launder. — T roughs in which water is carried about a mine. 
Lead. — A defined gutter of auriferous wash. 
Leader.—A small vein running into a larger one. 
Leat.—A n aqueduct to a mine. 
Ledge. — A lode. 
Lenticular. — A deposit or lode which swells in the middle and tapers 
towards the edge. 
Level. — A drive along the lode. 
Lifts. — P umps, or something which raises. 
Ligneous. — H aving a woody structure. 
Lignite.—B rown coal. Modern coal showing a woody structure. 
Likely. — A belt of country or a lode is said to be likely when there are indi¬ 
cations of minerals. 
Little Giant.—N ozzle of hydraulic hose. 
Little Winds. — T he smaller shafts on a mine. 
Lime. — C alcined limestone or chalk. 
Liver Ore. — A dark-coloured variety of sulphide of mercury. 
Ijoadstone. — M agnetic oxide of iron. 
Lob of Gold.—A small bit or rich deposit of gold. 
Lock. — A cavity in a lode. 
Lode. — A mineral vein containing ore. 
Long Tom. — A trough for washing auriferous gravel. 
Lousing. Picking over by hand a heap of dirt on the surface of a rich 
claim. 
Lydian Stone. — A black flinty slate used for testing gold on. 
Magnet. — S ubstances which attract certain metals. 
Malleable.—A nything that can be hammered out without cracking. 
Man Engine.—A machine for lowering or raising men into or from a mine. 
Marble. A crystalline form of limestone. 
Master Lode. — A large bedded vein. 
Matrix.—T he mineral matter of a lode, not ore. 
Mercury.—Q uicksilver, 
