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MINING GEOLOGY > SET 2 > Flashcards

SET 2 Flashcards

Exam

1
Q

The process of mining any
near-surface deposit using a surface pit excavated using one or more horizontal
benches

A

Open-pit Mining

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2
Q

A horizontal slice of an open pit which is mined
as a unit

A

Bench

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3
Q

Collect sliding
material and stop downward movement of large
rocks

A

Safety (Catch) Benches

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4
Q

Where unit operations
(drilling, blasting, loading, and hauling) are
performed

A

Working Benches

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5
Q

Horizontal surface of the bench

A

Bench Floor

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6
Q

Vertical surface of the bench

A

Bench Face

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7
Q

The distance between the crest and the two
measured along the upper surface

A

Bench Width

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8
Q

The horizontal projection of the bench face

A

Bank Width

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9
Q

Vertical distance between upper and lower
bench surface

A

Bench Height

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10
Q

Interior vertex formed by the intersection of the
bench face and bench floor

A

Toe

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11
Q

Exterior vertex formed by the intersection of the
bench face and bench floor

A

Crest

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12
Q

The average angle the face makes with the
horizontal

A

Face Angle (α)

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13
Q

The angle measured from the bottom of the
bench toe to the top of the bench crest

A

Ultimate Pit Slope Angle

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14
Q

A pile of broken material constructed along the
crest to form a “guard rail”

A

Safety Berm

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15
Q

Added to pit walls to provide access between
benches and plant next to pit; 15% gradient

A

Haul Road

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16
Q

In-pit water is collected and pumped out of the pit

A

Sump

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17
Q

Nature of overburden where breakage not required

A

Unconsolidated

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18
Q

Nature of overburden where breakage is required

A

Consolidated

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19
Q

Type of drilling used for weak rocks

A

Auger

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20
Q

Type of drilling used for intermediate rocks

A

Roller Bit

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21
Q

Drilling type used for very hard rocks

A

Percussion

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22
Q

Chemical used in blasting along with the loading of machine and firing of electricity

A

Ammonium nitrate fuel oil

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23
Q

Most effective blast hole drilling pattern

A

Staggered

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24
Q

It is the transport of run-of-mine (ROM) ore to the processing area and removes overburden and waste rocks from the mine site

A

Hauling

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25
Q

Most common mine haulage system

A

Conventional truck haulage

26
Q

It involves restoring land affected by mining to a stable and productive state

A

Reclamation

27
Q

Marks the end of mining operations

A

Mine Closure

28
Q

World’s largest open-pit mine

A

Bingham Canyon Mine, USA

29
Q

2nd deepest open-pit mine in the world

A

Chuquicamata Copper Mine,
Chile

30
Q

World’s largest Cu mine by production (Open Pit)

A

Escondida Copper Mine, Chile

31
Q

World’s largest open-pit gold mine where the secondary mineral is silver

A

Muruntau Gold Mine,
Uzbekistan

32
Q

Largest Surface Mine in the Philippines

A

Carmen Copper Corporation
Toledo City, Cebu

33
Q

Area that is dug out from a piece of land or the side of a mountain to get stone or minerals

A

Quarry

34
Q

Process of removing rock, sand, gravel, or other minerals from the ground to use them to produce materials for construction or other uses

A

Quarrying

35
Q

It refers to any common rock or other mineral substances” that “do not contain metal or metallic constituents and/or other valuable minerals in economically workable quantities.

A

Quarry Resources

36
Q

Issued to any Qualified Person by the Provincial Governor/City Mayor through the provincial/City Mining Regulatory Board for the extraction, removal, and disposition of quarry resources

A

Quarry Permit

37
Q

Largest quantity of mineral extracted by quarrying is used for construction

A

Aggregates

38
Q

Boring of a cylindrical hole into a rock for explosive insertion (shot hole)

A

Drilling

39
Q

Drilling for weak rocks

A

Auger

40
Q

Drilling for intermediate rocks

A

Roller-bit rotary

41
Q

Drilling for very hard rocks

A

Percussion

42
Q

The process of reducing a solid body, such as rock, to fragments by using an explosive

A

Blasting

43
Q

Blocks of rocks are broken loose from their natural outcrops by men using hand tools or special-purpose channeling machines

A

Excavation

44
Q

In large quarrying operations, these holes may be drilled by special machines known as hammer drills

A

Wedging

45
Q

A surface exploitation method used mainly for coal and other bedded deposits, which resemble open-pit mining; overburden is not transported to waste dump for disposal

A

Open Cast (Strip Mining)

46
Q

Involves exploiting surface resources; it’s directly cast into nearby mined-out sections

A

Open Cast Mining

47
Q

Carried out on relatively flat terrain with flat-lying seams; mining cuts are made in straight, parallel panels, advancing across the property

A

Area Mining

48
Q

Important sub-method within contour mining; a method in which overburden removal and then coal extraction follows the outcrop

A

Haulback Mining

49
Q

Conducted in hilly or mountainous terrain, with cuts placed on the contours of the topography

A

Contour Mining

50
Q

Commonly practiced method of removing more than one seam of coal from a pit in a carefully sequenced series of steps the initial cut exposing the upper coal seam is removed

A

Multiple-seam Mining

51
Q

A method of open-cast mining in which the energy generated by blasting is utilized to move a portion of the overburden

A

Explosives Casting

52
Q

The very first and largest diamond mine to go into operation in the Soviet Union

A

Mirny Mine, Russia

53
Q

South Africa’s largest producer of diamonds

A

Venetia Diamond Mine

54
Q

It exports saprolite and limonite ore; it is known for its nickel mining operations using open-cast methods

A

Rio Tuba Nickel Mining Corp.

55
Q

Version of strip mining that follows the contours of outcrops and hilly terrains

A

Contour Mining

56
Q

It is the extraction of mineral deposits lying near the surface of the earth by means of removing the overburden above the deposits in rows or strips

A

Contour Mining

57
Q

Recovering coal by a helical bit, boring into a coal seam at the base of a strata

A

Auger Mining

58
Q

One of the lowest cost mining techniques that uses a drag-bit rotary drill

A

Auger Mining

59
Q

Drilling parameter that is required in a poor ground with the use of hollow stem augers

A

Drill Casing

60
Q

It is an indication of cavities, fractures of permeable ground

A

Loss of flush return

MINING GEOLOGY (3 decks)

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