Podcast
Questions and Answers
Which type of rock is the principal repository for information about the Earth's past environment?
Which type of rock is the principal repository for information about the Earth's past environment?
- Sedimentary (correct)
- Volcanic
- Metamorphic
- Igneous
What environmental clue can be determined from the grain size of sedimentary rocks?
What environmental clue can be determined from the grain size of sedimentary rocks?
- Tectonic setting
- Degree of change
- Power of transport medium (correct)
- Cooling history
Which type of rock is often associated with oxygen-poor and deep water environments?
Which type of rock is often associated with oxygen-poor and deep water environments?
- Sedimentary (correct)
- Volcanic
- Igneous
- Metamorphic
What can be determined from the presence of fossils in sedimentary rocks?
What can be determined from the presence of fossils in sedimentary rocks?
What can be inferred from the color and chemistry of sedimentary rocks?
What can be inferred from the color and chemistry of sedimentary rocks?
Which type of sedimentary structure is produced after the sediment has been deposited?
Which type of sedimentary structure is produced after the sediment has been deposited?
What type of sedimentary structure is typical of turbidites?
What type of sedimentary structure is typical of turbidites?
What is the direction of the steeper slope in asymmetric ripple-marks?
What is the direction of the steeper slope in asymmetric ripple-marks?
What do elongate clasts in imbricated clasts indicate?
What do elongate clasts in imbricated clasts indicate?
What is the process by which sediments are excavated by the action of current or high flow, followed by deposition and filling of the scour?
What is the process by which sediments are excavated by the action of current or high flow, followed by deposition and filling of the scour?
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