Endogenic processes Flashcards

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1
Q

Formed or occurring beneath the surface of
the Earth

A

Endogenic

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2
Q

Endo comes from the greek word

A

“Endon”

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3
Q

THE TWO FORCES BEHIND ENDOGENIC MOVEMENTS

A

Thermal and gravitational energy

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4
Q

Endo comes from the greek word “Endon” which means?

A

Within

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5
Q

Caused by radioactive decay and primoirdial heat

A

Thermal energy

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6
Q

2 types of diastrophism

A

Orogenic and epeirogenic

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7
Q

also known as the process of “mountain building”

A

orogenic

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8
Q

2 types of sudden movement?

A

Volcanoes and earthquakes

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9
Q

caused by the balance
between the frictional heating
the Earth’s own mass and its angular momentum.

A

Gravitational energy

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10
Q

It refers to the deformation of the Earth’s crust

A

Diastrophism

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11
Q

also known as the process of “continental building”

A

Epeirogenic

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12
Q

A conical hill or mountain that has a
crater or vent through which the lava and other fragments are being erupted from the Earth’s crust

A

Volcanoes

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13
Q

temperature stays the same but the pressure decreases.

A

Decompression melting

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14
Q

volatiles comes into contact with hot-solid rock

A

Flux melting

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15
Q

Sites of flux melting?

A

Subduction zones

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16
Q

Sites of decompression melting?

A

Mid ocean ridges, volcanic hotpots, and rift valley

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17
Q

It is the ground shaking caused by the sudden movement of one block
of rock along the faults.

A

Earthquake

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18
Q

when a rock begins to melt, only certain minerals are melted

A

Partial melting

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19
Q

Site of partial melting

A

Mid ocean ridges, volcanic hotspots, rift valleys

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20
Q

If the magma is separated from rock that has not undergone complete melting, the magma will consists of components that melted at lower temperature

A

Fractionation

21
Q

A vent or series of vents in the crust

A

Volcanoes

22
Q

Site of heat induced melting

A

Hotspots

23
Q

surrounding rocks are being melted because there is an increase in temperature.

A

Heat induced melting

24
Q

violent explosive eruption ejects of volcanic ash

A

Ash cloud

25
Q

an opening exposed on the Earth’s surface where volcanic material is emitted

A

Volcanic vent

26
Q

the mouth of the vent

A

Crater

27
Q

a discordant tabular body intrusion

A

Dike

28
Q

cone-shaped accumulation of volcanic material which is not a part of the vent

A

Parasitic cone

29
Q

a large circular depression formed by the collapse or explosion of the volcano

A

Caldera

30
Q

any type of igneous intrusions that has split apart two strata

A

Laccolith

31
Q

Pool of magma

A

Magma chamber

32
Q

erupted in the last 10,000 years

A

Active volcano

33
Q

has no eruption history but the volcano is geologically young looking.

A

Partially active volcano

34
Q

a concordant tabular sheet intrusion

A

Sill

35
Q

partially or completely molten rock that ooze from an erupting vent

A

Lava flow

36
Q

it is also known as Extinct Volcano

A

Inactive volcanoes

37
Q

Partially active volcano is also known as?

A

Dormant volcano

38
Q

Dominated by Lava

A

Effusive

39
Q

Lava with smooth surface

A

Pahoehoe

40
Q

Lava with rough surface

A

a’a

41
Q

Ejects ash and larger fragments of broken up pyroclastic materials, forming ash clouds that eventually collapse and cover the slopes of the volcano

A

Explosive

42
Q

Pure volcanic rocks

A

Obsidian

43
Q

Volcanic glass but with frothy texture characterized by lots of open spaces caused by gas bubbles.

A

Pumcie

44
Q

fragmental materials of various grain size produced by volcano.

A

Pyroclastic debris

45
Q

broad dome with gentle
slope that covers a very wide area.

A

Shield volcano

46
Q

granular material formed by lava fountains

A

Cinder

47
Q

Is a conical volcano built up by many layers (strata) of hardened lava

A

Strato or composite volcano

48
Q

Consists of small cone formed by spattering of lava.

A

Cinder cone volcano