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Questions and Answers
What is the state of having many layers called?
What is the state of having many layers called?
- Bedding
- Metamorphism
- Stratification (correct)
- Lamination
In sedimentary rocks, what does a change in color or shade in bedding indicate?
In sedimentary rocks, what does a change in color or shade in bedding indicate?
- Presence of fossils
- Volcanic activity
- Metamorphic transformation
- Differences in grain size and/or composition (correct)
What is a small-scale sequence of fine layers in sedimentary rocks called?
What is a small-scale sequence of fine layers in sedimentary rocks called?
- Lamination (correct)
- Bedding
- Metamorphism
- Stratification
Which type of rock commonly forms as a function of the energy of the environment of deposition?
Which type of rock commonly forms as a function of the energy of the environment of deposition?
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'Each bed represents a ‘page’ in the Earth's history.' What does this statement signify about the succession of layers in a sedimentary sequence?
'Each bed represents a ‘page’ in the Earth's history.' What does this statement signify about the succession of layers in a sedimentary sequence?
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Study Notes
Layering in Sedimentary Rocks
- A state of having many layers is called stratification.
- A change in color or shade in bedding indicates a change in the depositional environment.
Features of Sedimentary Layers
- A small-scale sequence of fine layers in sedimentary rocks is called lamination.
- Conglomerates commonly form as a function of the energy of the environment of deposition.
Significance of Layer Succession
- The succession of layers in a sedimentary sequence represents a chronological record of the Earth's history.
- Each layer serves as a 'page' in the Earth's history, with the sequence of layers providing a timeline of past events.
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