12 June 2015
Friday fold: Flow banding in obsidian, Newberry Volcano National Monument, Oregon
Posted by Callan Bentley
Lockwood Dewitt is the purveyor of this week’s Friday fold ensemble:
All these folds are primary (not tectonic) in nature: they are flow banding of the viscous lava that oozed out to make the Big Obsidian Flow at Newberry.
And closer in:
Awesome stuff! Thanks for sharing, Lockwood!
Happy Friday, everyone!