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CORRELATION 2 REVIEWER > Ore Deposits part 1 > Flashcards

Ore Deposits part 1 Flashcards

1
Q

Rocks or minerals that are mined, processed and delivered at a profit

A

Ore

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2
Q

Non- valuable minerals in the ore

A

Gangue

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3
Q

Mineralized Rock that is too lean in ore minerals to yield a profit

A

Protore

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4
Q

Non- valuable portion of ore

A

Waste

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5
Q

Concentration of minerals

A

Mineral Deposits

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6
Q

Concentration of minerals which certain elements can be recovered economically

A

Ore Deposit / Orebody

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7
Q

Lowest grade, or quality of mineralized material that qualifies as economically mineable and available in a given deposit

A

Cut-off Grade

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8
Q

Average content of an element in the earth’s crust

A

Clarke of Concentration

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9
Q

Ore formed as the same time as the host rock

A

Syngenetic Ore

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10
Q

Ore formed after the host rock

A

Epigenetic Ore

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11
Q

Ore formed within the earth

A

Hypogene Ore

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12
Q

Ore formed at the earth surface

A

Supergene Ore

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13
Q

Ore formed form either magmas or fluids

A

Primary Ore

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14
Q

Ore formed as a consequence of alteration of pre-existing minerals

A

Secondary Ore

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15
Q

the study of geologic materials used by man to facilitate his task

A

Resource Geology

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16
Q

Any geological material which is of commercial value to human society

A

Economic Geology

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17
Q

Accumulations or concentrations of one or more useful substances, metalliferous or non-metalliferous that are for the most part sparsely distributed in the earth’s outer crust

A

Mineral Deposit

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18
Q

Naturally occurring solids, liquids or gases known or thought to exist in or on the Earth’s crust in concentrations which make extraction economically feasible either at present or sometime in the future

A

Geologic Resource

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19
Q

A subset of a geologic resource; that portion of an identified resource which can be extracted economically using current technology

A

Geologic Reserve

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20
Q

Believed that ores are formed by magmatic differentiation

A

Plutonism

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21
Q

Ores are direct magmatic product or are formed as a products of differentiation

A

Plutonism

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22
Q

They believe in plutonism

A

Magmatists

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23
Q

Pioneer of Plutonism

A

James Hutton

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24
Q

Pioneer of Neptunism

A

Abraham Werner

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25
Q

Believe that ore deposits were formed from sediments in a primival ocean

A

Neptunism

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26
Q

Believe that ores are formed from Sedimentary Process or Underwater

A

Neptunism

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27
Q

They believe in Neptunism

A

Syngeneticists

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28
Q

Rock or mineral that can be mined, processed, and delivered to the market-place or to technology at profit

29
Q

Rock or Mineral with economic value

30
Q

Rock with a concentration of metal-rich mineral

31
Q

Categories of Ore

A
  1. Metallic
  2. Non-metallic
  3. Metal-bearing minerals
  4. Energy
  5. Water
32
Q

Opaque, Solid, Shiny, Smooth and Conductive

33
Q

Properties from Metallic Chemical Bonds

A
  1. Delocalized electrons move from atom to atom easily
  2. Electron fluidity creates electrical conductivity
34
Q

________________ moves from atom to atom easily

A

Delocalized Electrons

35
Q

________________ creates electrical conductivity

A

Electron Fluidity

36
Q

Property due to crystal structure and bonding

A
  1. May be extremely hard or soft
  2. Ductile
  3. Malleable
37
Q

3 Categories of Metal

A
  1. Native Metals
  2. Precious Metals
  3. Base Metals
38
Q

Naturally occurs in pure form

A

Native Metals

39
Q

Rare and Economically important

A

Precious Metals

40
Q

Commonly used in industry

A

Base Metals

41
Q

Process of releasing metal from minerals

42
Q

Non metallic Wastes

43
Q

____________ is made from iron smelted with carbon

44
Q

An alloy of Cu and Sn

45
Q

Cu alloyed with Zn

46
Q

Geologic Processes for the formation of Ore

A
  1. Magmatic Activity
  2. Hydrothermal Alteration
  3. Secondary Enrichment
  4. Sedimentary Processes
  5. Weathering Processes
  6. Hydraulic Sorting
47
Q

Most important considerations in formation of ore deposits

A
  1. Source and Character of the ore bearing fluids
  2. Source of the ore constituents and how they were obtained in solution
  3. Migration of Ore-bearing fluids
  4. Manner of Deposition
48
Q

Types of Ore Bearing Fluids

A
  1. Magmatic Fluids
  2. Hydrothermal Fluids
  3. Meteoric Waters
  4. Sea Water
  5. Connate Water
  6. Metamorphic Fluids
49
Q

A high temperature rock melt of liquid and crystals

50
Q

Type of Granites

A
  1. I type Granites
  2. S type Granites
  3. A type Granites
  4. M type Granites
51
Q

highest temperature for felsic magma

A

625 degrees celcius

52
Q

highest temperature for mafic magma

A

1200 degrees celcius

53
Q

Highest temperature for ultramafic magma

A

1600 degrees celcius

54
Q

process where a partly crystallized magma is subjected to stress,
the fluid fraction is squeezed off from the residual crystalline mush.

A

Filter Pressing

55
Q

materials is
forced into the surrounding rocks, the process is called

A

Magmatic Injection

56
Q

If ore is present, it is called

A

magmatic injection deposit

57
Q

Oxides or sulfides dominated magma or magmatic fractions that solidify directly as ore is called

58
Q

formed from continuous cooling, differentiation
and crystallization of intermediate to silisic magmas.

A

Hydrothermal Fluids

59
Q

hot-water solution carrying dissolved mineral substance

A

Hydrothermal fluids

60
Q

Any water that passed thru & equilibrated with the atmosphere

A

Meteoric Waters

61
Q

Temperature and consequently solubility of mineral increases as this
water percolates down

A

Meteoric Waters

62
Q

involved in formation of evaporites, phosphorites, submarine exhalatives,
Mn nodules & oceanic crust deposits

63
Q

medium of dispersion of dissolved ions, molecules, and suspended
particles.

64
Q

“fossil water” trapped in sediments at the time they were deposited

A

Connate Water

65
Q

sinking of globules of a
heavy liquid formed by immiscibility within and from a parent
liquid after some differentiation

A

late-liquid gravitative accumulation

66
Q

residual liquid is squeezed out into the surrounding rocks

A

magmatic injection

67
Q

the process by which country rock is broken up and
removed by the upward movement of magma.

68
Q

Type of alteration where rocks turn green

A

Propylitic Alterations

69
Q

3 minerals in propylitic Alteration

A

Chlorite, Epidote and Antinoline

CORRELATION 2 REVIEWER (22 decks)

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