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• 1 media/x.jpg media/MVI_1102_stitch.jpg 2020-06-11T14:44:06+00:00 Volcanic Samples 21 Volcanic samples image_header 2020-09-29T17:45:32+00:00 back to main index or back to igneous  back to the ERSC 3P90 index
  
  Links to Volcanic samples: (click on the links for more, clicking images will just enlarge them)
  HI-12-5
  
  HI-15-3
  
  MT-10-22
  
  PT-253
  
  A vesicular basalt with dunite inclusions (xenoliths)
     
  
  A vesicular basaltic bomb (learn about bombs here: bomb) that has been abraded by exposure in a desert environment resulting in rounded edges. This is a small ventifact.
  
  
  A cored bomb that was ejected from the volcanic vent, then re-entered the magma (talk about a bad day!) and was ejected again.
  
  
  
  Some pumice of variable composition collected at but not attributed to Soda Lake maar in western Nevada.
  
  
  
  An vesicular olivine basalt bomb fragment from Upsal Hogback tuff rings, near Fallon , NV.
  
  A piece of Vesuvius, a volcano of historical notoriety.
  
  
  
  An Obsidianite of unknown origin.
  
  
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• 1 2020-06-24T19:58:20+00:00 Obsidianite 2 plain 2020-06-24T20:50:02+00:00 back to volcanic
  
  Obsidianites are just pieces of obsidian ejected from a volcano resulting in these glassy pebbles often with a tear shape due to solidification during flight (with aerodynamic drag).
  
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