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EARTHSCI > METAMORPHIC ROCK > Flashcards

METAMORPHIC ROCK Flashcards

1
Q
  • rocks that undergo a change to form a new rock
  • began as a rock—either a sedimentary, igneous, or
    even a different sort of metamorphic rock
A

Metamorphic Rock

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2
Q

conditions required to form a metamorphic rock are
very specific

A

Metamorphic Rock

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3
Q

is the process of transformation of parent

rock

A

Metamorphism

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4
Q

three rock types

A

igneous, sedimentary and
metamorphic

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5
Q

The Conditions:

The existing rock must be exposed to to be a metamorphic rock:

A
  • high heat
  • high pressure
  • mineral-rich fluid
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6
Q

It is vital that the existing rock remain______________________-

A

solid and
not melt.

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7
Q

3 Metamorphic Rock Samples:

A

Gneiss
Marble
Slate

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8
Q

it is when granite is subjected to
intense heat and pressure, it
changes into a metamorphic
rock

A

Gneiss

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9
Q

it is when Limestone, a sedimentary rock, will change into the metamorphic rock if the condition is right.

A

Marble

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10
Q

another common

metamorphic rock that forms

from shale

A

Slate

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11
Q

it is a Metamorphic rock, estimated to be as old as 3.8 billion years, located near Isua at Qorqut Sound, Greenland.

A

Metamorphic Rock Isua

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12
Q

it is any naturally occurring
inorganic material that
has a (more or less)
definite chemical
composition and
characteristic physical properties.

A

mineral

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13
Q

yes or no

Are minerals and rocks the same?

A

NO

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14
Q

are solid substances which
my have a combination of more than
one mineral.

A

Rocks

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15
Q

are inorganic substances that
occur naturally.

A

MIneral

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16
Q

do not have a definite
chemical composition.

A

Rocks

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17
Q

have a definite chemical
composition.

A

Minerals

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18
Q

are mainly classified as
igneous, sedimentary, and
metamorphic rocks.

A

Rocks

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19
Q

are mainly classified into
four groups namely: silicates,
carbonates, sulfides, and metallic
minerals.

20
Q

7 PHYSICAL PROPERTIES

OF MINERALS

A

Crystal Structure
Hardness
Color and Streak
Crystal Habit
Cleavage
Transparency and Lustre
Specific Gravity

21
Q

it describes the orderly geometric spatial arrangement of atoms in the internal structure of a mineral

A

CRYSTAL
STRUCTURE

22
Q

6 types of crystal family

A

isometric
hexagonal
orthombric
tetragonal
monoclinic
triclinic

23
Q

refers to the overall shape of a

crystal

A

CRYSTAL HABIT

24
Q

the 5 different crystal habits

A

acicular
dendritic
reniform
prismatic
tabular

25
refers to the mineral resistance to scratch
HARDNESS
26
rough measure of the resistance of a smooth surface to scratching or abrasion, expressed in terms of a scale
Mohs’ Scale
27
devised (1812) by the German mineralogist Friedrich Mohs
Mohs’ Scale
28
Mohs’ Scale was devised (1812) by the German mineralogist named
Friedrich Mohs
29
streak refers to the color of the mineral in powdered form
COLOR AND STREAK
30
indicates how light is reflected off a surface of a mineral
Lustre
31
❖ Refers to the mineral’s resistance to being broken ❖ Describes how a mineral breaks along weakness plain
CLEAVAGE
32
3 types of cleavage by direction
cleavage in one direction. two directions, and three directions
33
example of cleavage in one direction
Muscovite
34
examples of cleavage in two directions
Feldspar calcite
35
example of cleavage in three directions
halite
36
❖ Describes the mineral’s density in comparison to the density of a standard like water ❖ Determined through balance
SPECIFIC GRAVITY
37
the specific gravity of a mineral is the ration of its weight compared with the weight of an equal ---------------
volume of water
38
SPECIFIC GRAVITY of Copper
8.9
39
SPECIFIC GRAVITY of Silver
10.5
40
SPECIFIC GRAVITY of Lead
11.3
41
SPECIFIC GRAVITY of Gold
19
42
they estimated that the Philippines has around USD 840 billion worth of untrapped mineral wealth from metallic and non-metallic minerals.
The Mines and Geosciences Bureau
43
The 5 Metallic Elements Found in the Philippines
Gold, Copper, Nickel, Chromite, and Iron
44
The 5 Nonmetallic Elements Found iin the Philippines
Limestone, Marble, Gravel, and Sand and other Quarry Materials
45

EARTHSCI (16 decks)

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