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GEO 101 Exam 2 & 3 > Sedimentary Rock > Flashcards

Sedimentary Rock Flashcards

1
Q

How do sedimentary rocks form?

A

Products of mechanical & chemical weathering

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2
Q

What are the types of sedimentary rocks?

A

Detrital rocks
Chemical rocks

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3
Q

What are detrital rocks?

A

Transported sediment as solid particles

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4
Q

What are chemical rocks?

A

Sediment once in solution

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5
Q

What are types of detrital rocks?

A

Shale
Sandstone
Conglomerate & Breccia

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6
Q

What are types of chemical rocks?

A

Limestone
Dolostone
Chert
Evaporites
Coal

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7
Q

What are the classifications of sedimentary rocks?

A

Clastic
Nonclastic

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8
Q

What is a clastic rock?

A

Discrete fragments & particles

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9
Q

What is a nonclastic rock?

A

Pattern of interlocking crystals (resemble igneous rocks)

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10
Q

What are the types of sedimentary structures?

A

Bedding planes
Cross-bedding
Graded beds
Ripple marks
Mud cracks

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GEO 101 Exam 2 & 3 (6 decks)

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