Erin DiMaggio

Erin DiMaggio

Erin DiMaggio is an assistant research professor of geosciences at Penn State University, where she studies sedimentary and volcanic rocks in Africa to learn about ancient environments.

Stories from this author

Using a geologist’s magnifying glass, Erin DiMaggio carefully scans a piece of volcanic ash in search of tiny minerals that hold the key to determining the age of nearby fossils.

How Do Scientists Date Fossils?

Geologists Erin DiMaggio and Alka Tripathy-Lang explain techniques for targeting the age of a fossil find