Albuquerque daily citizen. [volume] (Albuquerque, N.M.) 1895-1903, 1899-12-16
COMMON MINING R
valuable Inform alton Cor eernirg hines
and Minipe Terms.

Valuable Infor N alton Cor eernirg ainss
and niniDg Terms.
All work in a mine is OF two kinds
development work and Stopping. Dsyel.
opment work con lists 10 making pas
ssges through the ground for the purpose
~ asce-lsinit & The extent and value of
known bodies Of ore; ~ for exploring
uDknown territories In order to discover
new o. bodies O. tyr the purpose Of Ia
cilltatlng or Increasing the work OF tax.
Ing out the ore. These passages receive
various names, such a. q shaft, witch IL
n perpendicular opening; al incline,
which is one run on a slope; q tunnel,
which Is on the level. These three ex.
tend from the surface OF the ground.
Within the mine and opening from those
mentioned or from each other there are
levels, cross cuts, uprslses and wines.
the latter being q perpendicular opening
cut from one level TO meet another. All
this development work may be done In
barren rock without any compensating
ore value, or the ore taken out mag be OF
30 great value ss TO pay all the expenses
and pay a handsome profit besides.
More often a considerable quantity OF
ores Is taken out which returns
thing to the miner, although 1t does not
repay the entire cost OF development.
Any work towards taking out the ore
more than Is necessary Tor the purpose Of
development constitutes what il called
STOPPING. The chambers from which the
ore has been excsyated are called the
slopes, and these necessarily vary In size
and character with the size and position
OF the vein or ore body.
Dfiitirg IL the act OF following along
with the course Of the vein. Definitions
OF other mining terms are M follows:
Adit- Open cut or tunnel on the vein.
Alluvium-M Materials transported and
deposited by wate.
Amslgsm-Goli or silver combined
with mercury.
Apex-rbe Top or highest point Of a
vein.
Aurif rous-Any rock or sand bearing
gold.
BEDROCK Rock underlying placer
mines.
Blind lcds-where there appears no
0Utcrop ~ a vein.
Breast The face OF a tunnel or drift.
Breccia-Angalar rocks cemented to-
gethsr.
Csge-An elevator used In hosting
ore.
Cap rock-Rock everything vein stone
or ore.
Collar-The top OF a shaft or Wine
Contsc. A junction OF two kinds Of
rock such ~ lime and ~porphyry.
Contact yein-A vein between two dis
similar rock masses.
Country rock fhe rock on each side OF
the vein.
Cross cut-A level driven across the
course OF VEN,
Dtp-rl- Stops Dr pitch OF a win.
Face-Ihe end OF a drift or tunnel.
Fauit-The displacement Of a stratum
or vein.
Fseder-A small vein entering into a
larger II
Fi-sure vein-A crack in the esrth's
crust contai ing mineral.
Foot wall Rock beneath u vein.
Cash veln-A vein wide at the top aud
closing at short depth.
Hanging wsll-The layer Of rock or
wall overhsngiDg a lode.
Horse-A mass OF rock between the
branches OF u yein.
Ia place Not having been disturbed
from is original position
Leyel-A nor ZDntal passage In a mine
diVerging from the shaft.
0~ntcrlp-rhe portion Of vein showing
nj the surface.
Pstsring-Givipg out; failing.
POcket-A rich spot In a vein or de-
posit.
Sailing a mine-Placing foreign ore
In he c%reyices OF a vein for the purpose
OF deceiying.
~strike-The extension OF a lode In q
horizontal direction.
stulls- A framework to support the
rubbish wheu stopping.
Sump-A hole In the bottom OF q shaft
or tunnel for collecting the water.
Vein-An aggregation OF mineral mat
ter In rock assure
Seam and stringer are used inter-
c~hangeAbly for narrow branches running
off from the vein or lead,
LOde-A vein, thus a load claim, Ia q
claim having In its boundaries a vein.
This term is sometimes used to designate
the claim itself.