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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.

A

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
Q

refers to the mineral resistance

to scratch

A

HARDNESS

26
Q

rough measure of the
resistance of a smooth
surface to scratching
or abrasion, expressed
in terms of a scale

A

Mohs’ Scale

27
Q

devised (1812) by the
German mineralogist
Friedrich Mohs

A

Mohs’ Scale

28
Q

Mohs’ Scale was devised (1812) by the
German mineralogist named

A

Friedrich Mohs

29
Q

streak refers to the color of the
mineral in powdered form

A

COLOR AND STREAK

30
Q

indicates how light is
reflected off a surface of a mineral

A

Lustre

31
Q

❖ Refers to the mineral’s resistance
to being broken
❖ Describes how a mineral breaks
along weakness plain

A

CLEAVAGE

32
Q

3 types of cleavage by direction

A

cleavage in one direction. two directions, and three directions

33
Q

example of cleavage in one direction

A

Muscovite

34
Q

examples of cleavage in two directions

A

Feldspar
calcite

35
Q

example of cleavage in three directions

A

halite

36
Q

❖ Describes the mineral’s density in comparison to the density
of a standard like water
❖ Determined through balance

A

SPECIFIC GRAVITY

37
Q

the specific gravity of a mineral is the ration of its weight compared with the weight of an equal —————

A

volume of water

38
Q

SPECIFIC
GRAVITY of Copper

A

8.9

39
Q

SPECIFIC GRAVITY of Silver

A

10.5

40
Q

SPECIFIC GRAVITY of Lead

A

11.3

41
Q

SPECIFIC GRAVITY of Gold

A

19

42
Q

they estimated that the Philippines has around USD 840 billion worth of untrapped mineral wealth from metallic and non-metallic minerals.

A

The Mines and Geosciences Bureau

43
Q

The 5 Metallic Elements Found in the Philippines

A

Gold, Copper, Nickel, Chromite, and Iron

44
Q

The 5 Nonmetallic Elements Found iin the Philippines

A

Limestone, Marble, Gravel, and Sand

and other Quarry Materials

45
Q
A

EARTHSCI (16 decks)

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