Podcast
Questions and Answers
What type of caldera forms when the roof of the magma chamber collapses into the void?
What type of caldera forms when the roof of the magma chamber collapses into the void?
- Explosive caldera
- Chemical caldera
- Detrital caldera
- Collapse caldera (correct)
Which process describes the alteration of rock composition through chemical reactions?
Which process describes the alteration of rock composition through chemical reactions?
- Physical erosion
- Chemical weathering (correct)
- Detrital transformation
- Mechanical weathering
What is the process by which loose sediment is transformed into solid rock?
What is the process by which loose sediment is transformed into solid rock?
- Erosion
- Lithification (correct)
- Metamorphism
- Deposition
Which agent of sedimentary transport typically results in poorly sorted sediment?
Which agent of sedimentary transport typically results in poorly sorted sediment?
What do ripple marks indicate about the sedimentary environment?
What do ripple marks indicate about the sedimentary environment?
What do body fossils represent compared to trace fossils?
What do body fossils represent compared to trace fossils?
What are the three most abundant volcanic gases?
What are the three most abundant volcanic gases?
What is the main difference between lava flow and pyroclastic flow?
What is the main difference between lava flow and pyroclastic flow?
Which type of volcano is mainly composed of fluid lava flows?
Which type of volcano is mainly composed of fluid lava flows?
What is the main cause of a caldera formation?
What is the main cause of a caldera formation?
Which volcanic event buried the city of Pompeii?
Which volcanic event buried the city of Pompeii?
What role do volcanic gases play in atmospheric changes?
What role do volcanic gases play in atmospheric changes?
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