https://www.usgs.gov/data/argon-data-hugub-area-kesem-kebena-dulecha-ethiopia
Argon data for Hugub Area, Kesem-Kebena-Dulecha, Ethiopia | U.S. Geological Survey
Tephra samples were collected by Leah Morgan (now at the U.S. Geological Survey (USGS)) from the Hugub Area, Kesem-Kebena-Dulecha, Afar, Ethiopia. Sanidine...