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Minerology > Minerology of Metamorphosis > Flashcards

Minerology of Metamorphosis Flashcards

(68 cards)

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1
Q

Metamorphosis

A

The processes by which minearals re-arange to reduce stress due to heat and pressure.

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2
Q

The processes by which minearals re-arange to reduce stress due to heat and pressure.

A

Metamorphosis

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3
Q

Deformation

A

A change in mineral structure to addapt to external stresses

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4
Q

A change in mineral structure to addapt to external stresses

A

Deformation

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5
Q

Strain

A

The forces causing a rock to change, moving it out of equilibrium

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6
Q

The forces causing a rock to change, moving it out of equilibrium

A

strain

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7
Q

recovery

A

when strain is reduced by deformation

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8
Q

when strain is reduced by deformation

A

Recovery

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9
Q

recrystalization

A

the formation/dissolution of crystals in orer to reduce strain, may cause crystals to change in size, or even manifest new minerals

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10
Q

the formation/dissolution of crystals in orer to reduce strain, may cause crystals to change in size, or even manifest new minerals

A

recrystalization

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11
Q

Facies

A

A mineral assemblage for a given temperature and pressure.

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12
Q

A mineral assemblage for a given temperature and pressure.

A

Facies

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13
Q

Zeolite Faces

A

compressed in low temperature and presure environments, form frammework sylicates with large gaps for water and ions, zeolite. most commonly formed from from volcanic glass in the subduction zone,

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14
Q

compressed in low temperature and presure environments, form frammework sylicates with large gaps for water and ions, meaning it’s not a perfect ratio for a fraweowrk sylicate. most commonly formed from from volcanic glass in the subduction zone,

A

Zeolite Faces

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15
Q

Prehenite/Pumpellyite Facies

A

formed from the compression of Zeolites, primaraly made of Prehenite/Pumpellyite, but also include some Chlrorite and albite.

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16
Q

Prehenite

A

A hydrated sheet sylicate with a TOT+C structure, commony found alongside PUpellyite

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17
Q

A hydrated sheet sylicate with a TOT+C structure, commony found alongside PUpellyite

A

Prehenite

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18
Q

Pumpellyite

A

A hydrated disylicate, commony found alongside Prehenite

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19
Q

A hydrated disylicate, commony found alongside Prehenite

A

Pumpellyite

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20
Q

Greenshist Facies

A

a facies formed from futher compression of Prehenite/Pumpellyite Facies, contians lot s of green minerals like chlorite, albite, epidote, actinolite, and quartz

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21
Q

a facies formed from futher compression of Prehenite/Pumpellyite Facies, contians lot s of green minerals like chlorite, albite, epidote, actinolite, and quartz

A

Greenshcist Facies

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22
Q

Chlorite

A

A hydrated chain silicate with a TOT+O structure, commonly found in Greenschist

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23
Q

A hydrated chain silicate with a TOT+O structure, commonly found in Greenschist

A

Chlorite

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24
Q

actinolite

A

a hydrated double chain silicate with a TOT+C structure.

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25
OT structure
the first two parts of the TOT structure just stacking on top of each other
26
the first two parts of the TOT structure just stacking on top of each other
OT structure.
27
TOT structure
the peaks of the silca tetrahedrons are glued together by an orthorombic group
28
the peaks of the silca tetrahedrons are glued together by an orthorombic group
TOT structure
29
TOT+O structure
thre is an aditional orthorobic group gluing the TOT together
30
thre is an aditional orthorobic group gluing the TOT together
TOT+O structure
31
TOT+C structure
Assorted cations glue the TOT structure together
32
Assorted cations glue the TOT structure together
TOT+C ctructure
33
Chlorite hand sample
green and platy
34
green and platy
Chlorite hand sample
35
Glaucophane hand sample
dark blue/grey/black color, grainy texture, hard.
36
dark blue/grey/black color, grainy texture, hard.
Glaucophane hand sample
37
Epidote hand sample
normaly forms a drusty green crust on rocks, if it has big crystals they will be dark greenish with a glassy luster
38
normaly forms a drusty green crust on rocks, if it has big crystals they will be dark greenish with a glassy luster
Epidote hand sample
39
actinolite hand sample
long green crystals that leave a white streak, may have a radiating habbit.
40
long green crystals that leave a white streak, may have a radiating habbit.
actinolite hand sample
41
Hornblende hand sample
dark bladed crystals, leaves a pale streak 1
42
dark bladed crystals, leaves a pale streak
Hornblende hand sample
43
quartz hand sample
many colors, but usualy white, hard enough to scratch glass.
44
many colors, but usualy white, hard enough to scratch glass.
quartz hand sample
45
Kayanite hand sample
glassy blue bladed crystals, hardness of a nail, depending on the direction you scratch
46
glassy blue bladed crystals, hardness of a nail, depending on the direction you scratch
Kayanite hand sample
47
chlorite in thin section
Pale green in ppl,first green to second brown in xpl, tends to be really long and bloby
48
Pale green in ppl,first green to second brown in xpl, tends to be really long and bloby
chlorite in thin section
49
actinolite in thin section
Long strait radiating green crystals, second order collors in xpl,
50
Long strait radiating green crystals, second order collors in xpl, Also pale green in ppl
actinolite in thin section
51
Quartz in thin section
Nearly transparent in PPl with low relief, smaller chunks of 1st order colors in XPL
52
Nearly transparent in PPl with low relief, smaller chunks of 1st order colors in XPL
Quartz in thin section
53
Glaucophane in thin section
Navy blue pleochrosim, lots of tiny 2nd order fragments in xpl
54
Navy blue pleochrosim, lots of tiny 2nd order fragments in xpl
Glaucophane in thin section
55
Hornblende in thin section
brownish PPL, bright 2nd order xpl, lots of clevage lines at 120 degrees
56
brownish PPL, bright 2nd order xpl, lots of cleavage lines at 120 degrees
Hornblende in thin section
57
Kayanite Thin section
tan/yellow pleochrosim, 2nd order orangy brown birefringence
58
tan/yellow pleochrosim, 2nd order orangy brown birefringence
Kayanite Thin section
59
Amphibolite Facies
Greenschist compressed under moderate temperature/pressure, composed of amphiboles ( hornblende, actinolite,) Plagioclase, and garnet
60
Greenschist compressed under moderate temperature/pressure, composed of amphiboles ( hornblende, actinolite,) Plagioclase, and garnet
Amphibolite Facies
61
Hornblende structure
a hydrated double chain silicate with a TOT+C structure
62
a hydrated double chain silicate with a TOT+C structure
Hornblende Structure
63
Granulite facies
formed from compressed amphibolite that has all the water squezed out. Composed of the same minerals as the mantle.
64
formed from compressed amphibolite that has all the water squezed out. Composed of the same minerals as the mantle.
Granulite facies
65
Blueschist facies
A facies formed from greinshist under high presure and temperature conditions. composed of glaucophane, lawsonite, epidote, albite, chlorite, and garnet,
66
A facies formed from greinshist under high presure and temperature conditions. composed of glaucophane, lawsonite, epidote, albite, chlorite, and garnet,
Blueschist Facies
67
Eclogite Facies
the christmas rock, formed from cmpressed blueschist that has lost all water, composed of paralypspite garnet, onphacite pyrocine, kyanite, and quartz
68
the christmas rock, formed from cmpressed blueschist that has lost all water, composed of paralypspite garnet, onphacite pyrocine, kyanite, and quartz
Eclogite Facies

Minerology (16 decks)

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