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Minerology > Minerology of Metamorphosis > Flashcards

Minerology of Metamorphosis Flashcards

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
Q

OT structure

A

the first two parts of the TOT structure just stacking on top of each other

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26
Q

the first two parts of the TOT structure just stacking on top of each other

A

OT structure.

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27
Q

TOT structure

A

the peaks of the silca tetrahedrons are glued together by an orthorombic group

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28
Q

the peaks of the silca tetrahedrons are glued together by an orthorombic group

A

TOT structure

29
Q

TOT+O structure

A

thre is an aditional orthorobic group gluing the TOT together

30
Q

thre is an aditional orthorobic group gluing the TOT together

A

TOT+O structure

31
Q

TOT+C structure

A

Assorted cations glue the TOT structure together

32
Q

Assorted cations glue the TOT structure together

A

TOT+C ctructure

33
Q

Chlorite hand sample

A

green and platy

34
Q

green and platy

A

Chlorite hand sample

35
Q

Glaucophane hand sample

A

dark blue/grey/black color, grainy texture, hard.

36
Q

dark blue/grey/black color, grainy texture, hard.

A

Glaucophane hand sample

37
Q

Epidote hand sample

A

normaly forms a drusty green crust on rocks, if it has big crystals they will be dark greenish with a glassy luster

38
Q

normaly forms a drusty green crust on rocks, if it has big crystals they will be dark greenish with a glassy luster

A

Epidote hand sample

39
Q

actinolite hand sample

A

long green crystals that leave a white streak, may have a radiating habbit.

40
Q

long green crystals that leave a white streak, may have a radiating habbit.

A

actinolite hand sample

41
Q

Hornblende hand sample

A

dark bladed crystals, leaves a pale streak 1

42
Q

dark bladed crystals, leaves a pale streak

A

Hornblende hand sample

43
Q

quartz hand sample

A

many colors, but usualy white, hard enough to scratch glass.

44
Q

many colors, but usualy white, hard enough to scratch glass.

A

quartz hand sample

45
Q

Kayanite hand sample

A

glassy blue bladed crystals, hardness of a nail, depending on the direction you scratch

46
Q

glassy blue bladed crystals, hardness of a nail, depending on the direction you scratch

A

Kayanite hand sample

47
Q

chlorite in thin section

A

Pale green in ppl,first green to second brown in xpl, tends to be really long and bloby

48
Q

Pale green in ppl,first green to second brown in xpl, tends to be really long and bloby

A

chlorite in thin section

49
Q

actinolite in thin section

A

Long strait radiating green crystals, second order collors in xpl,

50
Q

Long strait radiating green crystals, second order collors in xpl, Also pale green in ppl

A

actinolite in thin section

51
Q

Quartz in thin section

A

Nearly transparent in PPl with low relief, smaller chunks of 1st order colors in XPL

52
Q

Nearly transparent in PPl with low relief, smaller chunks of 1st order colors in XPL

A

Quartz in thin section

53
Q

Glaucophane in thin section

A

Navy blue pleochrosim, lots of tiny 2nd order fragments in xpl

54
Q

Navy blue pleochrosim, lots of tiny 2nd order fragments in xpl

A

Glaucophane in thin section

55
Q

Hornblende in thin section

A

brownish PPL, bright 2nd order xpl, lots of clevage lines at 120 degrees

56
Q

brownish PPL, bright 2nd order xpl, lots of cleavage lines at 120 degrees

A

Hornblende in thin section

57
Q

Kayanite Thin section

A

tan/yellow pleochrosim, 2nd order orangy brown birefringence

58
Q

tan/yellow pleochrosim, 2nd order orangy brown birefringence

A

Kayanite Thin section

59
Q

Amphibolite Facies

A

Greenschist compressed under moderate temperature/pressure, composed of amphiboles ( hornblende, actinolite,) Plagioclase, and garnet

60
Q

Greenschist compressed under moderate temperature/pressure, composed of amphiboles ( hornblende, actinolite,) Plagioclase, and garnet

A

Amphibolite Facies

61
Q

Hornblende structure

A

a hydrated double chain silicate with a TOT+C structure

62
Q

a hydrated double chain silicate with a TOT+C structure

A

Hornblende Structure

63
Q

Granulite facies

A

formed from compressed amphibolite that has all the water squezed out. Composed of the same minerals as the mantle.

64
Q

formed from compressed amphibolite that has all the water squezed out. Composed of the same minerals as the mantle.

A

Granulite facies

65
Q

Blueschist facies

A

A facies formed from greinshist under high presure and temperature conditions. composed of glaucophane, lawsonite, epidote, albite, chlorite, and garnet,

66
Q

A facies formed from greinshist under high presure and temperature conditions. composed of glaucophane, lawsonite, epidote, albite, chlorite, and garnet,

A

Blueschist Facies

67
Q

Eclogite Facies

A

the christmas rock, formed from cmpressed blueschist that has lost all water, composed of paralypspite garnet, onphacite pyrocine, kyanite, and quartz

68
Q

the christmas rock, formed from cmpressed blueschist that has lost all water, composed of paralypspite garnet, onphacite pyrocine, kyanite, and quartz

A

Eclogite Facies

Minerology (16 decks)

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