Geology and Mining Terms 2 Flashcards

1
Q
  1. It is a broken, caved-in, mined out portion of the deposits
    a. Muckpile
    b. Gangue
    c. Burden
    d. Gob
    e. Fragments
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Siliceous deposit of a sedimentary nature whose main constituent is redistributed silica
    a. Siliceous ore
    b. Silica sand
    c. Slag
    d. Chert
    e. Fjords
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. The sides of a fold
    a. Limb
    b. Hinge
    c. Horst
    d. Graben
    e. Fjords
A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. The rock that is broken by blasting outside the intended area
    a. Secondary rock
    b. Back break
    c. Overbreak
    d. Mud capping
    e. Hard toe
A

B/C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Which of the following is the best raw material for the production of rock aggregates for construction material?
    a. Limestone
    b. Pumice
    c. Basalt
    d. Dacite
    e. Andesite
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. A slow deformation under small stresses acting over a long period of time
    a. Landslide
    b. Erosion
    c. Saltation
    d. Rolling
    e. Creep
A

E

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Narrow vertical or inclined opening excavated in a deposit at the end of stope to provide a face
    a. Slot
    b. Free face
    c. Drive
    d. Sill
    e. Rib
A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. It is a liquid, very viscous hydrocarbon not extractable from oil wells
    a. Petroleum
    b. Kerosene
    c. Crude oil
    d. Tar
    e. Kerogene
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. A steeply dipping rod shape mineral deposit is commonly called what?
    a. Porphyry deposit
    b. Seam deposit
    c. Lode deposit
    d. Placer deposit
    e. None of these
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. It is the act of enriching samples either intentionally or accidentally
    a. Assaying
    b. High grading
    c. Sample salting
    d. Test pitting
    e. Coning and quartering
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. Water trapped in sedimentary deposits while they are being formed is called
    a. Meteoric water
    b. Hydrothermal fluid
    c. Magmatic water
    d. Connate water
    e. Juvenile water
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. An unconformity where older metamorphic or igneous rocks are overlain by younger sedimentary strata
    a. Angular unconformity
    b. Disconformity
    c. Paraconformity
    d. Nonconformity
    e. Syncline
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Basically concerned with the buoyancy of the blocks of the earth’s crust as they rest on the mantle.
    a. Isostasy
    b. Asthenosphere
    c. Magmatic differentiation
    d. Convection
A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. The rising of the floor of the mine caused by its being too soft to resist the weight on the pillar
    a. Roof
    b. Floor
    c. Heave
    d. Crown
    e. Sill
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. Which one of the following represents the greatest expanse of geologic time?
    a. Mesozoic
    b. Cenozoic
    c. Precambrian
    d. Paleozoic
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. A square set whose members are not framed at their intersections and the timbers used are smaller than those of the square set
    a. Spilling
    b. Top lagging
    c. Cribbing
    d. Bastard set
    e. Wedging
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. Andesite is what form of a rock
    a. Sedimentary
    b. Acidic
    c. Basic
    d. Intermediate
    e. Ultramafic
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. The explosive cartridge into which the detonator has been inserted
    a. ANFO
    b. Permissible explosive
    c. Gelatin dynamite
    d. Primer cartridge
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. The boundary between the mantle and outer core
    a. Mohorivicic discontinuity
    b. Gutenberg discontinuity
    c. Lehmann discontinuity
    d. Wegener discontinuity
A

B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. A relatively steep, straight slope at any height
    a. Slickensides
    b. Scarp
    c. Fault
    d. Fjords
    e. Hanging wall
A

B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. Mine opening over haulage level through which ore from the slope above is drawn to the waiting trucks as planning is moved
    a. Ramp
    b. Ore pass
    c. Chinaman’s chute
    d. Drift
21
Q
  1. The smallest type of volcano with steep slope
    a. Cinder
    b. Composite
    c. Shield
    d. Strato
    e. Strombolian
21
Q
  1. A hollow cylinder attached to a specially designed it and which is used to contain and preserve a continuous section, or core of the rocks penetrated in drilling
    a. Core barrel
    b. Core-it-lap
    c. Core lifter
    d. Wireline
    e. Conventional
22
Q
  1. The spraying of mine roadways with concrete to give a measure of support presents a smooth surface to the air current and prevent weathering
    a. Shotcreting
    b. Grouting
    c. Guniting
    d. Cementing
23
Q
  1. What do you call the assembly of general features that correlate with mineralization
    a. Geologic features
    b. Ore guides
    c. Ore
    d. Waste
    e. Ore deposits
24
Q
  1. Pyroclastic materials remobilized by water
    a. Lahar
    b. Debris avalanche
    c. Lava flow
    d. Pyroclastic flow
25
Q
  1. Which type of bacteria thrives in environments that lack free oxygen
    a. Aerobic
    b. Placental
    c. anaerobic
    d. photosynthetic
26
Q
  1. The age of Earth is about
    a. 2 billion years
    b. 4.5 million years
    c. 16 million years
    d. 4.6 billion years
    e. 195 million years
27
Q
  1. The period sometimes called the “golden age of trilobites”
    a. Cambrian
    b. Silurian
    c. Pennsylvanian
    d. Devonian
    e. Triassic
28
Q
  1. Near-surface generally implies depths of less than ___ feet
    a. 400
    b. 500
    c. 600
    d. 1000
    e. None of these
29
Q
  1. The coal mining method that best control coal bumps
    a. Room and pillar
    b. Longwall
    c. Aditing
    d. Drift mining
    e. Open cast
30
Q
  1. The supercontinent of Pangaea began to breakup during the _______ Era
    a. Precambrian
    b. Paleozoic
    c. Mesozoic
    d. Cenozoic
30
Q
  1. The term used to describe material separating the adjacent rock walls of discontinuities
    a. Apertures
    b. Persistence
    c. Voids
    d. Infilling
    e. Spacing
31
Q
  1. Areas where rising plumes of hot mantle reach the surface, usually at locations far removed from plate boundaries
    a. Island arc
    b. Continental margin
    c. Hot spot
    d. Black smokers
    e. All of these
32
Q
  1. A characteristic of stratification and bedding that is alternating light and dark-colored laminations which reflect changes in season
    a. Varves
    b. Banding
    c. Flute cast
    d. Ripple marks
    e. Cross stratification
33
Q
  1. A type of channel system which consists of a single channel and thalweg
    a. Meandering
    b. Braided
    c. Oxbow
    d. Linear
34
Q
  1. The perpendicular distance between adjacent discontinuities
    a. Aperture
    b. Persistence
    c. Voids
    d. Infilling
    e. Spacing
35
Q
  1. Which period is known as the “age of fishes”
    a. Jurassic
    b. Mississippian
    c. Permian
    d. Pennsylvanian
    e. Devonian
36
Q
  1. It is defined as an explosive susceptibility to initiation
    a. Ignition
    b. Sensitivity
    c. Detonation
    d. Airway
    e. Primer
37
Q
  1. The lowering of grade of ore due to addition of unwanted material
    a. Mining loss
    b. Salting
    c. High grading
    d. Dilution
    e. Mill grade
38
Q
  1. Difference between total revenue and total cost
    a. Capital cost
    b. Value
    c. Profit
    d. Net present value
    e. Payback
38
Q
  1. Unconsolidated, unstratified aggregation of small, angular mineral fragments, usually buff in color
    a. Deflation lag deposits
    b. Dunes
    c. Loess
    d. Desert
    e. Creep
39
Q
  1. The world’s largest refractory chromite mine in Coto, Zambales is better described as:
    a. Stratiform
    b. Podiform
    c. Residual
    d. Lenticular
39
Q
  1. The theory for the origin of the solar system is known as
    a. Big bang theory
    b. Nebular hypothesis
    c. Hubble theory
    d. Solar hypothesis
40
Q
  1. Undesired even in which the contact, the exposure of the movement of a person to objects, equipment, substances, conditions, or other persons may or may not cause personal inure, damage to property or delay
    a. Accident
    b. Incident
    c. Near miss
    d. Lost-time accident
    e. Severity rate
41
Q
  1. The metamorphic rock equivalent to sandstone
    a. Greywacke
    b. Quartzite
    c. Arkose
    d. Conglomerate
    e. Gneiss
42
Q
  1. It is an opening to the surface where air, different gases, and dusts are withdrawn from the underground mine
    a. Intake
    b. Exhaust
    c. Shaft
    d. Ventilation
    e. Blow fan
43
Q
  1. The principal ore mineral of tin
    a. Ilmenite
    b. Scheelite
    c. Rutile
    d. Cassiterite
    e. Enargite
44
Q
  1. A term applied to a fan than handles the entire flow in an airway and this serves to increase the quantity of air in circulation
    a. Auxiliary fan
    b. Booster fan
    c. Main fan
    d. Ducts
    e. Brattices
45
Q
  1. The cells of these primitive organisms lack organized nuclei and they reproduce asexually
    a. Trilobites
    b. Eukaryotes
    c. Prokaryotes
    d. Brachiopods
    e. None of these