FR ES DE CN
Home | About Us | Resources | Exploration | Gold | News | Media | Investor Relations | Contact

Glossary of Mining Terms

Aerial magnetometer kilogram
Aeromagnetic survey  
Airborne survey Lagging
Alloy Lamp
Alluvium Launder
Alteration Layout
Amorphous Leachable
Amortization Leaching
Amphibolite Lens
Anemometer Lenticular
Angle of dip Level
Angle of repose Limit order
Annual Report Lithology
Anomaly Load
Apex Loading pocket
Aquifer Lode
Archean Logging
Arching London fix
Assay London Metals Exchange
Assay map Long position
Assessment work Long ton
Auger Low voltage
Auxiliary operations  
  Magma
Back sample Magmatic segregation
Backfill Magnetic gradient survey
Background Magnetic survey
Backwardation Magnetic susceptibility
Balance sheet Magnetometer
Ball mill Main fan
Barren Man trip
Barricading Manhole
Basalt Manway
Base camp Map-staking
Base metal Margin
Basement rocks Marginal deposit
Beam Market order
Beam building Meridian
Bear market Mesothermal
Bearing Metallurgy
Bearing plate Metamorphic rocks
Bed Metamorphism
Bedding Mill
Belt conveyor Milling ore
Belt idler Millivolts
Belt take-up Minable reserves
Bench scale Mine development
Beneficiation Miner
Bessemer Mineral
Bioleaching Mineralized zone
Bit Mining Engineer
Blast furnace Misfire
Blaster Muck
Blasthole Muck sample
Blasting agent Mud cap
Blasting cap  
Blasting circuit Native metal
Bleeder or bleeder entries Natural ventilation
Block caving Net profit interest
Board lot Net smelter return
Bond Net worth
Boom Nip
Borehole Nugget
Boss  
Bottom Odd lot
Box hole Open end pillaring
Box-type magazine Open order
Brattice or brattice cloth Open pit
Break Operating cost
Breakthrough Option
Breast Option (on stock)
Breccia Ore
Brecciation Ore pass
Bridge conveyor Ore Reserves
Broken reserves Orebody
Brow Oreshoot
Brunton compass Orogeny
Brushing Ounces
BTU Outcrop
Bulk mining Overcast (undercast)
Bulk sample Overturned
Bull market Oxidation
Bullion Oxidized ore
Bump (or burst)  
Byproduct Pan
  Panic bar
Cable bolt Par value
Cage Participating interest
Calcine Parting
Call Patent
Cap Pegmatite
Cap block Pellet
Capital stock Percussion drill
Capitalization Peridotite
Captive stope Phaneritic
Car Phyllite
Car-dump Picket line
Carbide bit Piggy-back
Carbon-in-leach Pillar
Carbon-in-pulp pilot scale
Cash Cost PIMA
Cash flow Pinning
Certified Pitch
Cesium magnetometer Pitchblende
Chain conveyor Placer
Change house Plan
Channel sample Plant
Charter Plate tectonics
Chartered bank Plug
Check curtain Plunge
Chilean mill Point
Chip sample Polishing pond
Chock Portal
Chute Portal bus
Circulating load Portfolio
Claim Post
Clarification Precambrian Shield
Classifier Precipitate
Clean Air Act Amendments of 1990 Preferred shares
Cleavage Price-to-earnings ratio
Closed circuit Primary deposits
Column flotation Primary roof
Commercial production Primer (booster)
Comminution Private placement
Common stock Pro rata
Competent rock Profit and loss statement
Complex ore Prospect
Concentrate Prospectus
Concentrator Proterozoic
Cone crusher Proton precession magnetometer
Confirmation Proxy
Conglomerate Pulp
Contact Put
Contango Pyramiding
Continuous miner  
Contour Radioactivity
Controlled blasting Radon survey
Cordillera Raise
Core Rake
Core barrel Ramp
Country rock Reagent
Cover Reclamation
Creep Reconnaissance
Crib Record date
Crossbar Recovery
Crosscut Refractory ore
Crusher Regional metamorphism
Crust Regulator
Cum-dividend Replacement ore
Current assets Reserves
Current liabilities Reserves, possible
Custom smelter Reserves, probable
Cut value Reserves, proven
Cut-and-fill Resin bolting
Cut-off grade Resistivity survey
Cyanidation Resource
Cyanide Resuing
  Retort
Day order Retreat mining
Debenture Return
Debt financing Return idler
Deck Reverberatory furnace
Decline Rhyolite
Deferred charges Rib samples
Depletion Robbed out area
Deposit Rock
Deposit Rock factor
Depreciation Rock mechanics
Depth Rockbolting
Detectors Rockburst
Detonator Rocker
Development Rod mill
Development drilling Roll
Diabase Roll protection
Diffusion Roof bolt
Dilute Roof jack
Dilution Roof sag
Dilution (of shares) Roof trusses
Diorite Room neck
Dip Room-and-pillar mining
Dip needle Rotary drill
Directional drilling Round
Discount Royalty
Disseminated ore Run of mine
Dividend Run of mine ore
Dividend claim Run-of-mine
Dore bar  
Drag fold Safety fuse
Drainage Salting
Drawpoint Sample
Drift Sampling
Drifter Scaling
Drill Scarp
Drill-indicated reserves Schist
Drilling Scintillation counter
Dry Scoop
Due diligence Secondary enrichment
Dummy Section
Dump Seismic prospecting
Dyke Selective mining
  Self-potential
Electrical Grounding Semi-autogenous grinding (SAG)
Electrolysis Semi-autogenous mill
Electrolytic refining Shaft
EM survey Shaft mine
En echelon Shear / shearing
Entry Shear zone
Environmental impact study Sheave wheel
Epigenetic Shift
Epithermal Shoot
Epithermal deposit Short selling
Equity financing Short ton
Era Shrinkage stoping
Erosion Sinking
Erratic Skid
Escrowed shares Skip
Exploration Slag
Exploration Slash
Explosive Slickenside
Extraction Slope
  Sloughing
Face Sodium cyanide
Factor of Safety Solid
Fall Solvent extraction-electrowinning (SX-EW)
Fan signal Sounding
Fan, auxiliary Spad
Fan, booster Span
Fault Specific gravity
Fault zone Split
Fill Split
Fine gold Spot price
Fire damp Square set
Fissure Squeeze
Fixed assets Stamp mill
Flight Station
Float Stemming
Floor Step-out drilling
Flotation Stock exchange
Flow-through shares Stockpile
Flowsheet Stop-loss order
Flux Stope
Fluxgate magnetometer Stratigraphy
Fold Streak
Footwall Street certificate
Formation Striations
Forward contract Strike
Fracture Stringer
Fracture Strip, to
Free milling Stripping ratio
Friable Stripping ratio
Fuse Sublevel
  Subsidence
Gabbro Subsidiary company
Galena Sump
Gallery Support
Gamma Sustainable development
Gangue Syenite
Geiger counter Syngenetic
Geochemistry  
Geologist Tailings
Geology Tailings pond
Geophysical survey Telluride
Geophysics Thickener
Geothermal Timber
Glacial drift Timber set
Glacial striations Timbering
Glory hole Ton
Gneiss Tonne
Gold loan Tonnes-per-vertical-meter
Gouge Top
Grab sample Torque wrench
Graben Tractor
Grain Trading floor
Gravity meter Trading post
Gravity separation Tram
Grinding media Tram, to
Grizzly (or mantle) Transfer
Gross value Transfer point
Gross value royalty Treasury shares
Ground control Trench
Ground pressure Trend
Grubstake Trip
Guides Troughing idlers
Gunite Troy ounce
Gyratory crusher Tube mill
  Tunnel
Hanging wall Tunnel-boring machine
Haulageway  
Head grade Umpire sample or assay
Head section Uncut value
Headframe Underground station
Heading Underwrite
Heap leaching Upcast shaft
Hectare  
Hedging Valuation
Hematite Vein
High grade Velocity
High-grader Vendor
Hogsback Ventilation
Hoist Violation
Hoisting Visible gold
Holding company VMS - Volcanic Mass Sulfites
Horizon Void
Hornfels Voting right
Horse  
Horseback Wall rocks
Horst Warrant
Host rock Waste
Hydrometallurgy Waste
Hydrothermal Water Gauge (standard U-tube)
  Wedge
In situ Weight
Incompetent Whim
Induced polarization Width
Initial public offering Windlass
Institutional investors Winze
Intake Wire rope
Intermediate section Witness post
Intrusive Working capital
  Working face
Jackleg Working place
Jaw crusher Workings
Jig Writeoffs
Job Safety Analysis (J.S.A.)  
Joint Yield
   
Kettle bottom Zone
Kibble Zone of oxidation