Etna SEM Images

Sissel sent 2 samples of lava, one brown and one black, from the summit of Etna, Sicily, Italy:

Before smashing

Before smashing

After smashing

After smashing

 

 

 

 

 

 

SEM images of the black lava sample

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#12 Alan´s favorite: a “superb” crystal-vitric tuff

 

SEM images of the brown lava sample

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