Podcast
Questions and Answers
What is the main process involved in the formation of sedimentary rocks?
What is the main process involved in the formation of sedimentary rocks?
- Weathering and sediment accumulation (correct)
- Tectonic plate movement
- Heat and pressure metamorphism
- Volcanic eruptions
How are sediments transported to depositional basins?
How are sediments transported to depositional basins?
- Through earthquakes
- Through mass-transport processes and fluid-flow processes (correct)
- By volcanic activity
- By the movement of tectonic plates
What is the result of deposition in the formation of sedimentary rocks?
What is the result of deposition in the formation of sedimentary rocks?
- Formation of metamorphic rocks
- Accumulation of sand, gravel, and mud (correct)
- Subduction of tectonic plates
- Crystallization of minerals
- Subaerial weathering
What initiates the transportation of sediments from weathering sites to valley floors?
What initiates the transportation of sediments from weathering sites to valley floors?
Which of the following is NOT a process involved in the formation of sedimentary rocks?
Which of the following is NOT a process involved in the formation of sedimentary rocks?
What kind of processes would move sediment from valley floors to depositional basins at lower elevations?
What kind of processes would move sediment from valley floors to depositional basins at lower elevations?
What geological processes do sediments deposited in basins undergo?
What geological processes do sediments deposited in basins undergo?
Which of the following is a type of lithified sedimentary rock resulting from burial diagenetic processes?
Which of the following is a type of lithified sedimentary rock resulting from burial diagenetic processes?
Which scientific field studies climates throughout geological time?
Which scientific field studies climates throughout geological time?
What does paleogeography study and describe?
What does paleogeography study and describe?
Which field of study focuses on the characteristics of ancient oceans?
Which field of study focuses on the characteristics of ancient oceans?
What type of minerals has economic significance and can be found in sedimentary rocks?
What type of minerals has economic significance and can be found in sedimentary rocks?
What is the process through which rocks are broken down and sediment is formed?
What is the process through which rocks are broken down and sediment is formed?
Sedimentary rocks are formed by the compaction and cementation of which material?
Sedimentary rocks are formed by the compaction and cementation of which material?
What type of weathering takes place when rocks are split into smaller pieces without changing their composition?
What type of weathering takes place when rocks are split into smaller pieces without changing their composition?
Which of the following is a way in which sediment may be formed?
Which of the following is a way in which sediment may be formed?
Where do approximately 75% of rocks exposed at the Earth's surface come from?
Where do approximately 75% of rocks exposed at the Earth's surface come from?
What are clues to the environment in which sediment was deposited?
What are clues to the environment in which sediment was deposited?
What type of weathering involves the breakdown of rock due to the action of living organisms?
What type of weathering involves the breakdown of rock due to the action of living organisms?
Which type of weathering involves chemical reactions that lead to changes in the composition of rocks?
Which type of weathering involves chemical reactions that lead to changes in the composition of rocks?
What type of weathering involves rocks breaking into flat sheets along joints that parallel the ground surface due to pressure release?
What type of weathering involves rocks breaking into flat sheets along joints that parallel the ground surface due to pressure release?
Which weathering process involves rock breakdown through the expansion and contraction of minerals due to heat and cooling?
Which weathering process involves rock breakdown through the expansion and contraction of minerals due to heat and cooling?
What mechanism do lichens use to break down rocks?
What mechanism do lichens use to break down rocks?
Why do minerals such as halite, gypsum, and calcite dissolve in water during chemical weathering?
Why do minerals such as halite, gypsum, and calcite dissolve in water during chemical weathering?
