Scanning Electron Microscope image of Tephra

SIA3124: Scanning Electron Microscope image of Tephra

Photographer:	USGS Photograph taken by D.R. Pevear
Copyright:	Public Domain
Date:	1980
Location:	Yakima County, Washington

Related Documents

Volcanic Ash

Download Options

Image Name	Width x Height	Size
SIA3124.jpg	480 x 634	68K
SIA3124.jpg	900 x 1188	219K
SIA3124.jpg	3174 x 4188	1M

Caption

Scanning electron microscope (SEM) image of abraded pumiceous shards and feldspar in tephra from the May 18 eruption of Mount St. Helens. Sample collected in Yakima.