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Earth Science > Classification of Rocks > Flashcards

Classification of Rocks Flashcards

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1
Q

It is a naturally occurring solid aggregate of minerals and sometime with nonmineral solid particles.

A

Rocks

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2
Q

Building blocks of earths Lithosphere.

A

Rocks

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3
Q

Rocks can be classified based on _________.

A

Texture and Composition

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4
Q

are formed through solidification or crystallization of molten materials such as magma and lava.

A

Igneous Rocks

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5
Q

_________ are formed through compaction and cementation of sediments and other materials usually under the ocean or other bodies of water.

A

Sedimentary

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6
Q

_________ are formed either by heat such as those near a magma chamber or by pressure such as those in the area with compression of rock layers.

A

Metamorphic

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7
Q

Granite is an example of _________ with visible large crystals because it solidified underneath the Earth’s surface.

A

Intrusive - Igneous

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8
Q

Sandstone is an example of _________ rock from compaction and cementation of sand under the ocean.

A

Detrital/Clastic - Sedimentary

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9
Q

Marble is an example of _________ that has been formed due to heat and appears physically different from its parent-rock called

A

Metamorphic

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10
Q

Igneous rock can be classified into _________ and _________.

A

Intrusive/Plutonic and Volcanic/Extrusive

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11
Q

_________ metamorphic rock contains bands and _________ metamorphic rocks do not have bands.

A

Foliated and Non-foliated

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12
Q

Igneous rocks can be grouped according _________, _________, and _________.

A

Depth of Formation, Texture, and Composition.

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13
Q

_________ formed from the mechanical weathering debris of rocks.

A

Detrital/Clastic

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14
Q

Chemical sedimentary rocks are formed when _________.

A

Water evaporates leaving minerals behind

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15
Q

_________ are formed from the debris of plants and animals.

A

Chemical/Non-Clastic

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16
Q

_________ are metamorphic rocks that has no foliation.

A

Non-foliated

17
Q

Which of the following is the least description of a rock?

a.Solid
b.Heavy
c. Naturally occurring
d. Aggregate of minerals

A

b.Heavy

18
Q

Which of the following is nota classification of sedimentary rock?

a.clastic rock
b.organic rock
c. chemical rock
d. non-foliated rock

A

d. non-foliated rock

19
Q

A rock sample was recovered from Taal Volcano Island by a local. The resident volcanologist was on site and identified that the rock was formed from the material ejected by the volcano during its eruption. What type of rock did the local recover?

a. Igneous rock
b.Metamorphic rock
c. Ore body rock
d. Sedimentary rock

A

a. Igneous rock

20
Q

While walking at the beach, Angela found a rock sample with shells and pebbles embedded. What type of rock did she find?

a. Igneous rock
b. Metamorphic rock
c. Ore body rock
d. Sedimentary rock

A

d. Sedimentary rock

21
Q

Which of the following statements is TRUE about metamorphic rocks?

a. It formed from existing rocks. b. It is subjected to cold and high pressure.
c. It is composed of plants and animals’ materials.
d. It is formed from deposition and cementation of minerals and organic particles.

A

a. It formed from existing rocks.

22
Q

When magma solidifies below the surface of the Earth, what possible igneous rock may form?

a.Andesite
b. Basalt
c. Granite
d. Scoria

A

c. Granite

23
Q

Rinzen found an igneous rock from the school ground. Out of curiosity, she strongly hit the rock sample by a hammer and found out that it contained large crystals. What is the correct inference on the formation of the rock sample?

a. It formed overtime through slow process of crystallization at the surface of the Earth.
b. It formed overtime through fast process of crystallization at the surface of the Earth.
c. It formed overtime through slow process of crystallization beneath the surface of the Earth.
d. It formed overtime through fast process of crystallization beneath the surface of the Earth.

A

b. It formed overtime through fast process of crystallization at the surface of the Earth.

24
Q

Which type of rock may contain plants’ and animals’ remains?

a. Igneous rock
b. Metamorphic rock
c. Ore body rock
d. Sedimentary rock

A

d. Sedimentary rock

25
Q

Which of the following is excluded from the group?

a. Coal
b. Granite
c. Rock salt
d. Shale

A

b. Granite

26
Q

Ava collected samples of sedimentary rocks from the riverbank of Pansit. She grouped the rocks according to their characteristics. On the first group, she observed attached weathered rock on the samples. While on the second group, she observed shells attached on it. What type of sedimentary rocks had been collected by Ava from the riverbank?

a. The first group is clastic sedimentary rocks while the second is chemical sedimentary rock.
b. The first group is clastic sedimentary rocks while the second is organic sedimentary rock.
c. The first group is chemical sedimentary rocks while the second is clastic sedimentary rock.
d. The first group is organic sedimentary rocks while the second is clastic sedimentary rock.

A

b. The first group is clastic sedimentary rocks while the second is organic sedimentary rock.

27
Q

Scoria is rock formed through fast solidification on air when a volcano erupts. What type of rock is scoria?

A

Extrusive igneous rock

28
Q

Which of the following rock contains large crystals?

a. andesite
b. basalt
c. diorite
d. scoria

A

d. scoria

29
Q

Which of the following statement is true about sedimentary rocks?

a. It is formed from plant and animal debris.
b. It is formed when subjected to high heat and pressure.
c. Schist, phyllite and gneiss are examples of sedimentary rocks. d.Foliated and non-foliated are classification of sedimentary rocks.

A

c. Schist, phyllite and gneiss are examples of sedimentary rocks.

30
Q

Foliation occurs when a certain rock was subject to intense heat and pressure. Which of the following rock most likely to have foliation?

a. Hornfels
b. Marble
c. Quartzite
d. Slate

A

a. Hornfels

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