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Correl > Removals > Flashcards

Removals Flashcards

1
Q

The great iron catastrophe states that:

A

The majority of the world’s iron deposit went to the core

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2
Q

Based on the Bowen’s reaction series these two minerals should not coexist in the same rock

A

Quartz and Olivine

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3
Q

In the selection below, which one is the most insignificant erosional agent?

A

Wind

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4
Q

In the selection below, which process does not primarily form joints?

A

Vein filling

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5
Q

This criteria indicates the uniformity of sediment size in the sedimentary rock

A

Sorting

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6
Q

Based on the selection the most active volcanic belt is in the?

A

Circum Pacific ring

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7
Q

A Cirque can be described as:

A

A bowl shaped depression at the upper reaches of the glacier

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8
Q

These ate knife-like ridges in between glaciers

A

Arete

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9
Q

Which volcanoes have slopes rarely steeper than 10 degrees because they are composed mostly of low viscosity lava flows?

A

Shield Volcanoes

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10
Q

An igneous rock that possess a combination of minerals of markedly different sizes is

A

porphyry

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11
Q

A tsunami is _____

A

Seismic sea wave

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12
Q

P-wave is one in which

A

Movement is forward and back in the same directions the wave travels

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13
Q

Most volcanoes takes place in the

A

Circum-Pacific Belt

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14
Q

An earthquake’s source of energy is located at the ____ , but the location at the land surface above that point is called the _____.

A

Focus, epicenter

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15
Q

Which step is essential to the development of an angular unconformity?

A

Uplift and tilting

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16
Q

Which of the order of increasingly coarser grainsize and perfection of foliation?

A

Slate>Phyllite>Schist>Gneiss

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17
Q

The interactions among the atmosphere, hydrosphere, and biosphere are major contribution to:

A

Weathering of Earth materials

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18
Q

Plates are composed of

A

Continental and Oceanic Crust

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19
Q

Plate movement is thought to be the result of

A

Convection cells

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20
Q

Rock resulting from the crystallization of magma are:

A

Igneous

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21
Q

Which of the following is an example of a divergent plate boundary?

A

The Mid-Atlantic Ridge;

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22
Q

The premise that the present geologic processes have operated throughout geologic time is the principle of

A

Uniformitarianism;

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23
Q

The person credited with developing the continental drift hypothesis is;

A

Wegener;

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24
Q

The name of the supercontinent that formed from all landmassess on Earth is:

A

Pangea

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25
Q

A pyramidal structure consisting of four oxygen atoms and one silicon atom is known as the;

A

Silica tetrahedron;

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26
Q

An igneous rock having a composition of diorite and very large mineral crystals is;

A

Pegmatite

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27
Q

The size of the mineral grains composing an igneous rock is a useful criterion for determining whether the rock is and/or

A

Plutonic/volcanic

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28
Q

Which of the following pairs of igneous rocks have the same mineral composition?

A

Basalt-Gabbro

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29
Q

Which of the following is a discordant pluton?

A

Dike

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30
Q

Its a zone of many individual faults and fractures, their splays is called;

A

Fault splays;

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31
Q

Which hypothesis states that as strain builds up, it overcomes friction to cause an earthquake?

A

Elastic Rebound Model;

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32
Q

What evidence proved that South America, Africa, India and Australia were once covered by glaciers?

A

Glacial deposits and rock surfaces scarred by glaciers

33
Q

Emplaced bodies of ophiolites in an island arc setting like in the Philippines occur in

A

Supra-subduction zones

34
Q

Which of the following might provide evidence that a fault zone exists in an area?

A

Lines or lineaments on the surface of the Earth as seen from above the zone

35
Q

Earthquakes that occur along faults are created when;

A

Stress builds up until rocks break;

36
Q

Emplaced bodies of ophiolites is an island-arc setting like in the Philippines occur in?

A

Supre-subduction zones

37
Q

What happens to rock around a subducting slab?

A

it goes under the other plate

38
Q

It refers to presence of individual faults within an area of complex deformation

A

fault zone;

39
Q

In the selection below, which one is an iron pyroxene

A

Ferrosilite

40
Q

In the selection below, which one is an iron olivine

A

Fayalite

41
Q

Which silicate group is where Olivine belongs?

A

Nesosilicate

42
Q

Which silicate groupies where most clay and mica belong?

A

Phyllosilicate

43
Q

Based on the Metamorphic Facies diagram, where would blueschist most likely occur?

A

Subduction zone

44
Q

The source of heat for the formation of greenschist is most likely coming from;

A

Volcanism

44
Q

In the selection below, which mineral would indicate the metamorphism of the highest grade?

a. Garnet
b. Kyanite
c. Biotite
d. Chlorite
e. Sillimanite

A

e. Sillimanite

44
Q

Metamorphic rock consisting chiefly of Quartz

A

Quartzite

44
Q

Blocks B is positioned south of Block A, if their overall displacement is northwards with Block B moving faster than A, what type of faulting is A-B?

A

Thrust fault

45
Q

This texture can be produced by plutons exhibits equigranular grain sizes with less than 50% relatively larger sizes

A

Porphyritic

46
Q

A Peridotite with composed of at least 90 % Olivine

A

Dunite

47
Q

These are cartilaginous jawed fish, first appearing in the Silurian Period

A

Chondrichthyes

48
Q

These are circular, geochemical markers for exploration

A

Geochemical halos

49
Q

Dendritic drainage pattern indicates that;

A

Underlying lithology is uniform

50
Q

This process is where a river abandons its channel rapidly to form a new one;

A

Avulsion

51
Q

This geomorphological process is where a mature or old river returns to a young or younger stream by tectonic processes, sea level changes, etc.

A

Rejuvenation

52
Q

These are elements that compose mostly of the Earth’s crust;

A

Lithophile

53
Q

These are elements that compose mostly of the metal-sulfides;

A

Siderophile

54
Q

This magmatic differentiation process indicates that magma evolves as minerals precipitate

A

Fractional Crystallization

55
Q

The following are criteria for index fossils except;

A

Complete

56
Q

This is the oldest intrusion in the Philippines

A

Lutopan Diorite

57
Q

This is the agreed age of the Philippine Fault

A

Plio-Pleistocene

58
Q

This is the “age of Philippine Gold” among explorationists

A

Oligo-Miocene

59
Q

The appearance of this delta is due to being a river dominated delta;

A

Bird’s foot

60
Q

This is a collective term for “chaotic” deposits,it may be caused by supra-subduction, submarine landslides, and emplacement;

A

Olistostrome

61
Q

Elements that the ionic radii is small enough to fit into the spaces along crystallographic sites

A

Incompatible Elements

62
Q

Minerals/Elements used as exploration markers, which are not necessarily of economic value

A

Pathfinder Elements

63
Q

This fractional crystallization method is where magma begins to crystallize from the outer parts of magma chamber to inward

A

Inward Crystallization

64
Q

These are the evidence for magma mixing except one

a. Mingling of Magmas
b. Disequilibrium of Mineral Assemblages
c. Reverse Zoning in mineral assemblage
d. All of the Above
e. None of the Above

A

All of the Above

65
Q

Fossils that are composed of footprints, burrows and excreta

A

Trace Fossils

66
Q

The geoscientist who first published the geological map of Great Britain

A

William Smith

67
Q

All of these deposit type have the commodity intrinsically within the host rocks except:

A

Nickel Laterite

68
Q

All of these are supergene deposits, or mostly are enriched through supergene deposits except:

a. Nickel Laterite
b. Bauxite Laterite
c. Gossan deposits
d. High sulfidation Epithermal
e. None of the Above

A

Nickel Laterite

69
Q

These occurs on veined type deposits where small low grade veins cm in scale suddenly becomes high grade veins, meters in size

A

Pinch and Swell

70
Q

In operating mines, the SDMP find will have to allocated as 1.5 % of the?

A

Gross Income

71
Q

This is a 2 year contract, intended for exploration work renewable for 2 terms

A

Exploration Permit

72
Q

These type of geophysical survey detects density differences

a. Gravity
b. Seismic
c. GPR
d. Electrical Resistivity
e. A, B, and C

A

e. A, B, and C

73
Q

In the selection below, which geophysical technique will be used for groundwater exploration?

A

Electrical Resistivity

74
Q

What are the best exploration markers for gold?

a. Small Scale miners
b. Geochemical soil and water anomalies
c. Alteration Markers
d. All of the above
e. None of the above

A

All of the above

75
Q

This is termed as the surface elevation of the hole when drilling?

A

Collar elevation

Correl (18 decks)

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