GeoGirls Examing Tephra Deposits

overhead view of girls sitting around a table wring on data sheets, samples in plastic tubs cover the table.

Detailed Description

The GeoGirls examined tephra (ash and pumice) deposits from Mount St. Helens’ eruptive past and learned how to create a stratigraphic column.


Image Dimensions: 5184 x 3456

Date Taken:

Location Taken: Mount St. Helens, WA, US