164 Mining Terms. 
and arsenic; variable in color, hardness and specific 
gravity. 
BroacHine. Trimming or straightening a work- 
ing. 
Buppiine. Separating ores by washing. 
Buuiion. Uncoined gold or silver. 
Cacur. A place where a prospector’s provisions 
or outfit is buried or hidden. 
Cage. The frame to hold the bucket or car. 
CaLaAMINE. An ore of zinc. Lapis Calaminaris. 
Canon. A narrow valley. Termed Box Canon 
when the sides are perpendicular. Sp. 
Cap. Space where the walls contract so as to leave 
a trace of the vein. A pinch. (2) A space in the vein 
where the gangue becomes barren. 
CarRBONATES. ‘The combination of carbonic acid 
with bases. Soft carbonates have lead for a base. Hard 
carbonates have iron for a base. An ore of lead and 
silver. 
Cement. Gold-bearing gravel united and hard- 
ened into a compact mass. 
CuarFreE Work. A Colorado term for annual 
labor. Jerome B. Chaffee was Territorial delegate when 
the Mining Act of 1872 was passed. 
CHEEK. The side or wall of a vein. 
Curmney. A pocket or ore body when found pipe- 
. shape, with general perpendicular position. 
CuLoriDes. Compounds of chlorine with other ele- 
ments. . 
Cuure. (or SHoot.) A flume for sliding ore. 
(2) A chimney of ore. French. 
CrnnaBaR. Sulphide of mercury. 
Criaim. A location. The amount of ground which 
may be located by a single person or association. 
CiLEAN-uP. The operation of collecting the gold 
which has settled in the flume of a placer or in an 
arastra. 
Creavace. The property of splitting more or less 
readily in certain definite directions. 
