A small, rocky island topped by an evergreen tree is in the blue-green Mediterranean Sea. The sky above is clear and land sits behind the island.

Small, rocky island in the Mediterranean Sea, Halkidiki, Greece. Photo by Artem Kniaz (Unsplash)

Celebrating a Social Media Milestone

In just 13 months, GSA Publications has garnered 4000+ followers on LinkedIn! Connect with us and always be in the know about #GSAPubs!

Enduring GSA Geologic Time Scale

The time scale, now in its sixth version, is one of our most popular resources! Download the digital version or purchase the printed version today!

NEW: Inclusive Language Guide