Igneous Rocks Flashcards by John Rodriguez | Brainscape

Q

Igneous Rocks form in

A

> 600 degree C

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures- Pegmatitc

A

> 10mm
Intrusive or plutonic
Cools slow
Magma

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures- Phaneritic

A

1-10mm
Intrusive or plutonic
cools slow
magma

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures- Aphanitic

A

<1mm
Extrusive or volcanic
cools fast
lava

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures- Glassy

A

no size of crystals
extrusive or volcanic
cools fast
lava

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures Vesicular-

A

Holes

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures Porphritic

A

mineral ‘chunks’ - called (phenocrysts)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Textures- Pyroclastic

A

ash and rock

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Felsic- pegmatitic- phanertic

A

Granite- pink red light grey

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Felsic-Rhyolite-

A

Aphanitic

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

felsic has and where

A

Lots of silica

Colorado, cali, southern Missouri

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Intermediate

A

Diorite

Med gray

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Intermediate- andesite

A

Med grey

Aphanitic

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

intermediates- Andesite- diorite found in

A

andes cascades

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Mafic

A

Gabbro

Black

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Mafic- Aphanitic

A

Basalt

Q

Mafic- Gabbro- Basalt what it has and where its from

A

Very little silica

Hawii