A type of rock which is made as a result of cementation and compaction of sediment grains under pressure over a long period of time is called
Granite is an
A rock which is formed after lava eruption is called
Limestone's are very rich in
A relatively large and randomly oriented grains constitutes the rock
A rock which has been transformed from shale is
A crystalline or glassy rock formed when magma or lava cools down and solidifies is called
Obsidian is rich in
Marble is transformed from
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