Ore Deposits part 1 Flashcards

1
Q

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

A

Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Non- valuable minerals in the ore

A

Gangue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

Protore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Non- valuable portion of ore

A

Waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Concentration of minerals

A

Mineral Deposits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Concentration of minerals which certain elements can be recovered economically

A

Ore Deposit / Orebody

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

Cut-off Grade

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Average content of an element in the earth’s crust

A

Clarke of Concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ore formed as the same time as the host rock

A

Syngenetic Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Ore formed after the host rock

A

Epigenetic Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ore formed within the earth

A

Hypogene Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ore formed at the earth surface

A

Supergene Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ore formed form either magmas or fluids

A

Primary Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

Secondary Ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

Resource Geology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Any geological material which is of commercial value to human society

A

Economic Geology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Believed that ores are formed by magmatic differentiation

A

Plutonism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

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

A

Plutonism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

They believe in plutonism

A

Magmatists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Pioneer of Plutonism

A

James Hutton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Pioneer of Neptunism

A

Abraham Werner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

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

A

Neptunism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Believe that ores are formed from Sedimentary Process or Underwater

A

Neptunism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

They believe in Neptunism

A

Syngeneticists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

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

A

Ore

29
Q

Rock or Mineral with economic value

A

Ore

30
Q

Rock with a concentration of metal-rich mineral

A

Ore

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

A

Metals

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

A

Smelting

42
Q

Non metallic Wastes

A

Slag

43
Q

____________ is made from iron smelted with carbon

A

Steel

44
Q

An alloy of Cu and Sn

A

Bronze

45
Q

Cu alloyed with Zn

A

Brass

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

A

Magma

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

A

Ore magma

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

A

Sea Water

63
Q

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

A

Sea Water

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.

A

Stoping

68
Q

Type of alteration where rocks turn green

A

Propylitic Alterations

69
Q

3 minerals in propylitic Alteration

A

Chlorite, Epidote and Antinoline