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zCorrelation > Geology and Mining Terms 2 > Flashcards

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

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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

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3
Q
  1. The sides of a fold
    a. Limb
    b. Hinge
    c. Horst
    d. Graben
    e. Fjords
A

A

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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16
Q
  1. Andesite is what form of a rock
    a. Sedimentary
    b. Acidic
    c. Basic
    d. Intermediate
    e. Ultramafic
A

D

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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

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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

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19
Q
  1. A relatively steep, straight slope at any height
    a. Slickensides
    b. Scarp
    c. Fault
    d. Fjords
    e. Hanging wall
A

B

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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
A

C

21
Q
  1. The smallest type of volcano with steep slope
    a. Cinder
    b. Composite
    c. Shield
    d. Strato
    e. Strombolian
A

A

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
A

A

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
A

C

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
A

B

24
Q
  1. Pyroclastic materials remobilized by water
    a. Lahar
    b. Debris avalanche
    c. Lava flow
    d. Pyroclastic flow
A

A

25
Q
  1. Which type of bacteria thrives in environments that lack free oxygen
    a. Aerobic
    b. Placental
    c. anaerobic
    d. photosynthetic
A

C

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
A

D

27
Q
  1. The period sometimes called the “golden age of trilobites”
    a. Cambrian
    b. Silurian
    c. Pennsylvanian
    d. Devonian
    e. Triassic
A

A

28
Q
  1. Near-surface generally implies depths of less than ___ feet
    a. 400
    b. 500
    c. 600
    d. 1000
    e. None of these
A

B

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
A

B

30
Q
  1. The supercontinent of Pangaea began to breakup during the _______ Era
    a. Precambrian
    b. Paleozoic
    c. Mesozoic
    d. Cenozoic
A

C

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
A

D

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
A

C

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
A

A

33
Q
  1. A type of channel system which consists of a single channel and thalweg
    a. Meandering
    b. Braided
    c. Oxbow
    d. Linear
A

A

34
Q
  1. The perpendicular distance between adjacent discontinuities
    a. Aperture
    b. Persistence
    c. Voids
    d. Infilling
    e. Spacing
A

A

35
Q
  1. Which period is known as the “age of fishes”
    a. Jurassic
    b. Mississippian
    c. Permian
    d. Pennsylvanian
    e. Devonian
A

E

36
Q
  1. It is defined as an explosive susceptibility to initiation
    a. Ignition
    b. Sensitivity
    c. Detonation
    d. Airway
    e. Primer
A

B

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
A

D

38
Q
  1. Difference between total revenue and total cost
    a. Capital cost
    b. Value
    c. Profit
    d. Net present value
    e. Payback
A

C

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
A

C

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
A

B

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
A

B

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
A

A

41
Q
  1. The metamorphic rock equivalent to sandstone
    a. Greywacke
    b. Quartzite
    c. Arkose
    d. Conglomerate
    e. Gneiss
A

B

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
A

B

43
Q
  1. The principal ore mineral of tin
    a. Ilmenite
    b. Scheelite
    c. Rutile
    d. Cassiterite
    e. Enargite
A

D

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
A

B

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
A

C

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