The big obsidian flow in Newberry Caldera: Context

The Newberry Caldera is an awesome place. My shots of the obsidian
flow were from here. These shots provide some additional context. This
volcano is reponsible for a huge volume of lava, tephra, and obsidian
in Central Oregon. Actually, we find quite a bit of tephra from here
in western Nevada.

http://www.flashearth.com/?lat=43.704655&lon=-121.239567&z=15.4&r=0&src=msa

Imgp0469

Imgp0491