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16 January 2011
In my first quick Google search about flow banding, I came up with Cole Kingsbury’s fairly new blog, Chaotically Flow-Banded. He gives a good basic description of what flow banding is: visually distinguishable “bands” or layers in volcanic rock that differ based on composition, texture, or geochemical characteristics. Cole focuses on flow banding in lava, which is a familiar feature to him because of his work on the Obsidian Dome near Long Valley in California. I’m also working on domes now (although slightly less felsic ones), but my first experience with flow banding came from mapping Miocene ash flow tuffs in Utah.