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Earth Science ESU > Lab Exam 1 > Flashcards

Lab Exam 1 Flashcards

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1
Q

Sedimentary Rocks

A
  1. Grey chert or flint
  2. Yellow sandstone
  3. Red sandstone
  4. Limestone
  5. Grey shale
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2
Q

Igneous Rocks

A
  1. Granite
  2. Diorite
  3. Basalt
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3
Q

Metamorphic Rocks

A
  1. Marble
  2. Schist
  3. Gneiss
  4. Slate
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4
Q

Chert or Flint is composed of what mineral?

A

Quartz

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5
Q

Sandstone is composed of what mineral?

A

Quartz

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6
Q

Limestone is composed of what mineral?

A

Calcite

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7
Q

Shale is composed of what mineral?

A

Kaolinite

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8
Q

Sedimentary rocks are most composed of what types of colors?

A

Bright and colorful. Can also be colorless due to them being impure.

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9
Q

Granite contains a black accessory mineral and which one of the feldspar minerals?

A

Orthocalse

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10
Q

Diorite contains a black accessory mineral and which feldspar mineral?

A

Albite

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11
Q

Basalt contains which feldspar mineral?

A

Anorthite

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12
Q

What accessory minerals are most commonly encountered in igneous rocks?

A

Biotite and Hornblende

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13
Q

Black specs seen on rocks are not feldspar, but what kind of rocks?

A

Granite and Diorite

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14
Q

Give and example of a medium grade metamorphic rock.

A

Schist

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15
Q

What is the parent rock to marble and what rocks forms it?

A

Calcite is the parent rock and limestone is what makes up marble.

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16
Q

Marble is what type of texture?

A

Non- Foliated texture

17
Q

What is the parent rock to Gneiss?

A

Granite

18
Q

What is the parent rock to Slate?

A

Shale

19
Q

Intrusive vs. Extrusive rocks

A

Intrustive rocks are UNDER the ground that cool very slowly. Extrusive rocks cool ABOVE the ground and cool very quickly.

20
Q

A texture that is very porous and is the result in gas bubbles being trapped in the cooling of lava.

A

Vesicular

21
Q

These rocks crystallize at the highest temperature and do not have any feldspars present.

A

Ultramafic

22
Q

These rocks contain the calcium feldspars such as anorthite and labradorite.

A

Mafic (Basalitic)

23
Q

Albite, the light colored sodium feldspar, is the dominant feldspar in this category.

A

Intermediate (Andesitic)

24
Q

The potassium feldspar, orthocalse, is the dominant feldspar in this igneous rock type.

A

Felsic (Granitic)

25
Q

Igneous rocks with visible grains

A

Granite
Diortite
Grabbo
Perdotite

26
Q

Igneous rocks with non- visible grains

A 
Rhyolite
Basalt
Obsidian
Scoria
Pumice

Earth Science ESU (24 decks)

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