Which of the following rocks is a volcanic rock made up of lithified pyroclastic material?
A)basalt
B)granodiorite
C)obsidian
D)tuff

Name: Which of the following rocks is a volcanic rock made up of lithified pyroclastic material? A)basalt B)granodiorite C)obsidian D)tuff
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Question

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Tuff is a type of rock formed from volcanic ash ejected during explosive volcanic eruptions. The ash settles and, over time, becomes lithified or compacted and cemented into solid rock.

Which of the Following Rocks Is a Volcanic Rock Made