Geology and Mining Terms 1 Flashcards
1
Q
- Naturally occurring inorganic compound having an orderly internal structure and a definite chemical composition, crystal form, and physical properties
a. Rock
b. Ore
c. Protore
d. Gangue
e. Mineral
A
E
2
Q
- A production opening in a metal mine
a. Bench
b. Stope
c. Slope
d. Berm
e. Shaft
A
B
3
Q
- Ore deposits that were formed subsequently with the host rock
a. Syngenetic
b. Epigenetic
c. Supergene enrichment
d. Lode
e. None of the above
A
B
4
Q
- Percent increase in volume occupied by a given mass of solid material after it has been blasted or broken
a. Tonnage factor
b. Powder factor
c. Heave
d. Swell factor
e. Porosity
A
D
5
Q
- Freeing or detaching of large masses of harder rock from parent deposit
a. Stripping
b. Comminution
c. Rock breakage
d. Blasting
e. Mining
A
C
6
Q
- The ferruginous deposit filling the upper part of some mineral veins forming a superficial cover over masses of pyrite. It consists mainly of hydrated iron oxide and has resulted from the removal of sulfur as well as the copper or other sulfides originally present
a. Country rock
b. Gossan
c. Limonite
d. Ore shoot
e. Saprolite
A
B
7
Q
- Color of a mineral in its powdered form
a. Streak
b. Luster
c. Color
d. Cleavage
e. Mineral habit
A
A
8
Q
- The angle assumed to bisect the angle of repose of material
a. Pit slope
b. Angle of stand
c. Angle of draw
d. Grade of material
e. Bench slope
A
C
9
Q
- Lowering of strata, including the surface due to underground excavation
a. Subsidence
b. Rock failure
c. Sinking
d. Mudslide
e. Rock collapse
A
A
9
Q
- Most common mineral in the earth’s crust
a. Feldspar
b. Quartz
c. Alumina
d. Gypsum
e. Calcite
A
B
10
Q
- An opening driven downward from one level to another
a. Chute
b. Raise
c. Ore pass
d. Ramp
e. Winze
A
E
10
Q
- The horizontal movement of materials during blasting
a. Heave
b. Throw
c. Horst
d. Graben
e. Scarp
A
B
11
Q
- The term used to refer toward the working face
a. Outby
b. Nava
c. Inby
d. Level
e. Chute
A
C
12
Q
- Accumulated excreta and remains of birds and bats
a. Dolomite
b. Guano
c. Laterite
d. Compost
e. None of these
A
E
13
Q
- The horizontal component in fault movement
a. Heave
b. Throw
c. Horst
d. Graben
e. Scarp
A
A
14
Q
- Tabular shaped discordant pluton
a. Sill
b. Batholith
c. Stocks
d. Dyke
e. Lopolith
A
D
14
Q
- Concentration of naturally occurring solid, liquid, or gaseous materials in or on the earth’s crust in such a form that economic extraction of one or more commodities is currently or potentially feasible
a. Reserve
b. Measured resource
c. Anomaly
d. Mineral deposit
e. Resource
A
E
15
Q
- The operation directly involved in mineral extraction
a. Cycle of operations
b. Production operation
c. Auxiliary operations
d. Cycle time
e. None of these
A
B
16
Q
- Mineral of with the highest content of copper
a. Chalcocite
b. Bornite
c. Covellite
d. Garnierite
e. Chalcopyrite
A
A
17
Q
- The angle of inclination of a deposit, measure from the horizontal?
a. Strike
b. Dip
c. Grade
d. Slope
e. Slickensides
A
B
17
Q
- Instrument that transmits energy from the drill to the bit
a. Rig
b. Rod
c. Circulation fluid
d. Flushing medium
e. Drill
A
B
18
Q
- Inert materials used to contain the energy during blasting to ensure better fragmentation
a. Stemming
b. Column charge
c. Subdrill
d. Muckpile
e. Waste materials
A
A
19
Q
- The gaseous envelop surrounding the earth
a. Lithosphere
b. Biosphere
c. Ozone
d. Ionosphere
e. Atmosphere
A
E
20
Q
- Volcanic glass
a. Pumice
b. Obsidian
c. Ozone
d. Scoria
e. Andesite
A
B
21
Q
- Underground main opening with a single access to the surface
a. Tunnel
b. Drive
c. Ramp
d. Adit
e. Level
A
D
22
Q
- Term used to refer to the direction of extraction away from the working face and toward the entrance
a. Inby
b. Outby
c. Overhand
d. Underhand
e. Raise
A
C
23
Q
- An ore of manganese
a. Pentlandite
b. Pyrrhotite
c. Pyrolusite
d. Orpiment
e. Garnierite
A
C
24
Q
- Resistance of a mineral’s smooth surface to being scratched
a. Tenacity
b. Brittleness
c. Hardness
d. Malleability
e. Ductility
A
C
25
Q
- The top edge of a bench in an open pit mine
a. Toe
b. Crest
c. Apex
d. Outcrop
e. Bench height
A
B
26
Q
- The instrument used for recording the vibrations of the earth’s crust is
a. Seismograph
b. Seismogram
c. Seismometer
d. Focus
e. Richter scale
A
A
27
Q
- A crystal appearance resembling slender plant-like branches
a. Dendritic
b. Rosette
c. Phantomed
d. Pseudomorph
e. Acicular
A
A
27
Q
- The vertical measurement of the blasting agent in the blast hole
a. Stemming
b. Column charge
c. Subdrill
d. Explosive
e. Primer
A
B
28
Q
- Occurs between the crest and the toe of the bank
a. Landslide
b. Base failure
c. Slope failure
d. Toppling
e. Rock failure
A
C
29
Q
- A description of the way a mineral tends to break
a. Cleavage
b. Fracture
c. Fault
d. Hardness
e. Brittleness
A
B
30
Q
- A crystal that has replaced another mineral’s chemistry or structure with its own without changing the outward shape of the original mineral
a. Dendritic
b. Rosette
c. Phantomed
d. Pseudomorph
e. Acicular
A
D
31
Q
- Failure of a charge to explode when expected
a. Hangfire
b. Misfire
c. Explosion
d. Nonfire
e. Bootleg
A
B
32
Q
- A distinct pause or pre-determined time between detonation or initiation impulses, to permit the firing of explosives charges separated
a. Delay
b. Delay element
c. Delay blasting
d. Delay detonator
e. None of these
A
A
33
Q
- A smooth blasting method in which cracks for the final contour are created by blasting prior to the drilling of the rest of the holes for the blast pattern
a. Perimeter blasting
b. Pre-splitting
c. Secondary blasting
d. Smooth blasting
e. All of these
A
B
33
Q
- Chief ore of lead
a. Galena
b. Cinnabar
c. Magnetite
d. Pyrolusite
e. Realgar
A
A
34
Q
- A downthrown block bounded by parallel normal faults is termed as
a. Horst
b. Graben
c. Overthrust
d. Syncline
e. Anticline
A
B