#obsidian
Volcano Watch: What tiny crystals can tell us about their trip through the magma chamber
Like fortune tellers who peer into a crystal ball for insight, volcanologists at the USGS Hawaiian Volcano Observatory peer into the tiny crystals contained in lava flows to learn about the magma’s journey before it was erupted onto the surface.
Volcano Watch: Pele’s hair – a beautiful hazard on Hawaiʻi Island
Shiny and elusive, featherlight and golden-brown. If poets were to write about rocks, I’m sure they would sing their praises of Pele’s hair. Don’t be fooled, though, because Pele’s hairs are strands of volcanic glass, and they can pose a serious hazard.
