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Why Is Pumice So Light?
Pumice is a type of extrusive volcanic rock, produced when lava with a very high content of water and gases is discharged from a volcano. As the gas bubbles escape, the lava becomes frothy. When this lava cools and hardens, the result is a very light rock material filled with tiny bubbles of gas.
The Differences Between Scoria and Pumice
Scoria and
Pumice
TMart Science Geology Series of rock types. Igneous rock
IgnRx-How to Observe and Name Pumice and Scoria Igneous Rock
This video series contains quick video guides to the visual identification of the common igneous rocks. Suitable as a pre-lab or …
