Question:
Which one of the following is formed when volcanic ash is carried by running water and is deposited as a sedimentary layer?
Which one of the following is formed when volcanic ash is carried by running water and is deposited as a sedimentary layer?
Options:
- a) Basalt
- b) Lapilli
- c) Slate
- d) Tuff
- a) Basalt
- b) Lapilli
- c) Slate
- d) Tuff
correct answer : d)
Explanation:
Tuff is a type of volcanic rock formed when volcanic ash is deposited in layers and compacted, often under water.
Tuff is a type of volcanic rock formed when volcanic ash is deposited in layers and compacted, often under water.