20 February 2004 - 1202

This is a photo of pieces of tephra picked up by moving lava and stuck on upper crust.

Detailed Description

Pieces of tephra picked up by moving lava and stuck on upper crust. As lava wells out from front of flow, it picks up small pieces of tephra. As flow inflates, the pieces are lifted up onto top of flow. The pieces have only moved up, not backward. 1202.

Details

Image Dimensions: 800 x 600

Location Taken: US