Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Correl > Day 2 Pre-test > Flashcards

Day 2 Pre-test Flashcards

1
Q

It is defined as the pervasive planar structure that results from the nearly parallel alignment of sheet silicate minerals and/or compositional and mineralogical layering

A

Gneissosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

If glass is altered to secondary minerals, what takes place?

A

Devitrification

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following is not considered as a mineral? (Anorthite, Anorthosite, Bytownite, Labradorite)

A

Anorthosite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The color index of an igneous rock expresses its content of:

A

Silica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Choose from the following list a contact metamorphic rock: (Gneiss, Schist, Phyllite, Granulite, Marble)

A

Marble

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Structural and mineralogical changes occuring in metamorphic processes take place in an essentially what state?

A

Solid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Structural and mineralogical changes occuring in metamorphic processes take place in an essentially what state?

A

Solid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Limestone composed primarily of shell fragments are classified as:

A

Coquina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

“Clean Sandstones” that are well-sorted and with little to no clay matrix are called:

A

Arenites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

“Dirty” Sandstones containing

A

Wackes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Refers to the mass per unit volume

A

Density

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The resistance of a mineral to breaking, crushing, or bending

A

Tenacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Cavity in a rock filled with secondary minerals

A

Amygdule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

More than 90% of the Earth’s crust is made of:

A

Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following is least common in the Earth’s crust? (Silicon, Oxygen, Hydrogen, Aluminum)

A

Hydrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The second most common element in the Earth’s crust is:

A

Silicon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Kaolinite and other clay minerals fall into which of the silicate mineral groups?

A

Sheet Silicates (Phyllosilicates)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following minerals is not usually produced by weathering? (Magnetite, Hematite, Limonite, Kaolinite)

A

Magnetite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Formation of sulfur in vents of volcanoes is an example of crystallization from?

A

Vapor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

This refers to changes in chemical composition of rocks brought about by surficial processes:

A

1) Alteration
2) Supergene enrichment
3) Weathering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

This refers to conduits which serve as plumbing systems during mineral deposition

A

1) Fractures
2) Joints
3) Faults

22
Q

Name the mineral district in the northern part of Luzon Central Cordillera where the meineral Luzonite was discovered:

A

Mankayan Mineral District

23
Q

A metal with very high melting point and is used in the exhaust of jetplanes

A

Nickel

24
Q

A crystal system defined by the presence of e unequal axes all perpendicular to each other

A

Orthorhombic

25
Q

______ minerals are alteration products of primary minerals

A

Secondary

26
Q

Extreme under-cooling of magma is inferred if the igneous rock contains abundant ______

A

Tridymite

27
Q

A crystal system where the three crystallographic axes are equal in length and intersect at right angles to each other

A

Isometric

28
Q

In aplitic textures, almost all the mineral grains are

A

Subhedral

29
Q

A porphyritic texture where the groundmass is glassy

A

Vitrophyric

30
Q

Identify the textural term applicable to a rock where the quartz-feldspar intergrowth resembles cuneiform writing

A

Graphic

31
Q

A regular, polyhedral form bounded by smooth faces and has an ordered atomic arrangement is called:

A

Crystal

32
Q

The color of the thin surface film of material which forms as a result of exposure to the atmosphere

A

Tarnish

33
Q

Which of the following is not a textural parameter? (Degree of Crystallinity, Density of Rock, Shape of Grains, Size of Grains)

A

Density of Rock

34
Q

This refers to the degree of uniformity of grain size

A

Sorting

35
Q

Which of the following minerals possesses metallic luster? (Barite, Azurite, Bornite, Garnierite)

A

Bornite

36
Q

The following are varieties of corundum except: (Emery, Sapphire, Ruby, Emerald)

A

Emerald

37
Q

A crystal system defined by the presence of 3 unequal axes all perpendicular to each other

A

Orthorhombic

38
Q

What suffix signifies a metamorphic feature developed during metamorphism, unlike relict feature

A

Blastic

39
Q

What is the parallel alignment of linear elements of the fabric of metamorphic rocks whing? the schistosity?

A

Schiller

40
Q

The oldest intrusive in the Philippines

A

Lutopan Diorite

41
Q

First book that gives an account on mining and minerals

A

De Re Metallica

42
Q

Cavities formed in lavas due to expanding gases are known as:

A

Vesicles

43
Q

A crystal system where the three crystallographic axes are equal in length at 1 point and intersect at right angles to each other:

A

Isometric

44
Q

The following are not minerals except: (Pearl, Cubic Zirconia, Coal, Ice)

A

Ice

45
Q

Of the following, which is not an evaporate? (Gypsum, Rock Salt, Anhydrite, Caliche, Phosphorite)

A

Phosphorite?

46
Q

Wind deposits of largely silt and some clay are:

A

Loess

47
Q

The color index of an igneous rock expresses its content of

A

Silica

48
Q

A texture is called ______ if the crystals are so minute that they are not distinguishable even under the microscope.

A

Cryptocrystalline

49
Q

A process that involves partial melting of the original rock to produce a felsic melt, which would then migrate and crystallize in pods and layers in the metamorphic rock

A

Migmatization

50
Q

A type of sandstone with more than 50% matrix material

A

Greywacke

Correl (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions