Detail 
Another specimen
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| PUMICE
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Detail Another specimen Return to Classification; pdf version
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Typical Minerals Volcanic Glass. Pumice has cooled too quickly for minerals to form. Chemical composition, however, will be from the bottom of Bowen's Reaction series (i.e. felsic). |
Description
Pumice is a vesicular, foamy, very light weight, light colored rock formed by abundant, rapid gas escape during formation. It is often a pyroclastic product. |
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Tectonic Association
Pumice is found on continents, ejected from felsic volcanoes as pyroclastic material. Tectonic Cross Section - pdf version
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| Last Update: 9/29/00 | e-mail: (Fichtels@jmu.edu) |