Magma Flashcards

(35 cards)

1
Q

A mixture of molten rocks

A

Magma

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2
Q

Temperature of magma

A

700-1300

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3
Q

Magma formation

A

Melting of the upper mantle or and lower crust

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4
Q

Heat is comming from the hotspots

A

Increasing temperature

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5
Q

Flux melting

A

Addition of volatiles

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6
Q

Where flux melting happens

A

Subduction zones

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7
Q

Found in divergent plate

A

Decompression melting

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8
Q

Provess where magma can produce different number of igneous rock composition

A

Magma differentiation

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9
Q

Melting of the country rock

A

Assimilation

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10
Q

Mixing of two or more magma

A

Magma mixing

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11
Q

Process of crystallizinf and removing minerals from the magma

A

Fractional crystallization

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12
Q

Discontious series of bowens reaction series

A

Olivine
Pyroxene
Amphibole
Biotite

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13
Q

Continous series

A

Anorthite
Bytownite
Labradorite
Andesite
Orthoclase
Albige

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14
Q

Have high gas content

A

Rhyolitic

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15
Q

Felsic

A

Rhyolitic

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16
Q

Most explosive

17
Q

Raryly explosive

18
Q

Have least silica content

19
Q

Have high silica content

20
Q

Highest meling temperature

21
Q

It refers to molten state of the magma

22
Q

One its is close to the original composition and did not undergone fractional crystallization

23
Q

The processes magma

A

Parental melt

24
Q

Minerals with lower melting points turn into miquid magma, those who have higher melting point remains as a crystal

A

Partial melting

25
Rocks that are produced by partial melting
Alkaline, potassic, peralkaline
26
magma cools and minerals start to solidify and form igneous rock
Magma cooling
27
Magma rises when it is less dense than the surrounding rock or the structure allows it
Magma migration
28
Low degrees of partial melting of the crust may create
Pegmatite
29
melting point lower than its chemical components
Eutectic
30
two or more solid phases crystallize simultaneously without resorption from a liquid
Cotectic
31
Elements that are too large or too highly charged to fit easily with common minerals.
Incompatible elements
32
Elements that easily fits into minerals
Compatible elements
33
Temperature of basaltic magma
1000-2000
34
Temp of andesitic magma
800 to 1000
35
Temp of rhyolitic magma
650-800