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Geotechnical Engineering A > Minerals & Rocks (Part A) > Flashcards

Minerals & Rocks (Part A) Flashcards

1
Q

The way a mineral reflects light from its surface is called it’s….

(1 word)

A

Lustre

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2
Q

The way some minerals split along flat smooth surfaces is called….

(1 word)

A

Cleavage

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3
Q

Moh’s scale is used to indicate the….of a mineral

(1 word)

A

Hardness

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4
Q

The softest mineral is….and the hardest is…..

(1 word, 1 word)

A

Talc, Diamond

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5
Q

Quartz has a hardness of….

(1 number)

A

7

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6
Q

Calcite and Galena are minerals that have…cleavage in…directions

(1 word, 1 word)

A

Perfect

Three

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7
Q

The principal mineral in limestone is….

(1 word)

A

Calcite

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8
Q

The principal mineral in sandstone is….

(1 word)

A

Quartz

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9
Q

Granite has an….composition and a….grained texture

(1 word, 1 word)

A

Acid
Coarse

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10
Q

Basalt has a….or….grained texture and a….composition

(1 word, 1 word, 1 word)

A

Glassy

Fine

Basic

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11
Q

Kaolin, illite and montmorillonite are known as….minerals

(1 word)

A

Clay

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12
Q

The three types of metamorphism are…,….,….

(1 word, 1 word, 1 word)

A

Regional, thermal, dynamic

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13
Q

The zone of altered rock around an igneous intrusions is known as the….

(1 word)

A

Aureole

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14
Q

A rock with large crystals is said to have a….texture

(1 word)

A

Porphyrite

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15
Q

Tuffs and agglomerates are known as…..deposits

(1 word)

A

Pyroclastic

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16
Q

Sedimentary rocks are formed from….and…..

(1 word, 1 word)

A

Consolidation and cementation

17
Q

Clastic sedimentary rocks are made up of….cemented together

(1 word)

A

Fragments

18
Q

Precipitated sedimentary rocks are formed from….

(1 word)

A

Solutions

19
Q

Conglomerates, sandstones and shales are examples of….rocks

A

Clastic

20
Q

Limestones, ironstones and evaporites are examples of….rocks

A

Precipitated

21
Q

Shelly, coral, algal and oolitic are all types of…..

A

Limestone

22
Q

Some common metamorphic rocks are… from sandstone and…. from limestone

A

Quartzite, Marble

23
Q

Highly developed parallel splitting planes are the basis of….cleavage, commonly seen in…..

(1 word, 1 word)

A

Slaty

Slates

24
Q

A highly foliated and often contorted texture is called….

(1 word)

A

Schistosity

Geotechnical Engineering A (10 decks)

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