EARTHCACHE: Cedar Park Limestone in Houston, Texas, USA.
A city building can hold clues to an ancient world. This EarthCache takes you to Houston's City Hall, where the limestone surrounding the building preserves evidence of a time when warm, shallow seas covered parts of Texas
The Geological Society of America (GSA) unites earth scientists and facilitates the sharing of scientific findings about our planet and universe.
- The geoscience community needs more voices—and yours could be one of them. We're looking for passionate geoscientists to become the first GSA Ambassadors. As a GSA Ambassador, you'll have the opportunity to enhance your science communication skills, collaborate with GSA's
- What can a passion for geoscience lead to? By combining her background in geology with her passion for reading and writing—and a lifelong fascination with rocks—Clare found a meaningful way to apply earth science through a career in environmental law. Today, she focuses on
- Do you have research to share? Time is running out—the final abstract submission deadline for GSA Connects 2026 is tomorrow, 6 August, and we don't want you to miss it. Whether you're presenting new field findings, lab results, or research still taking shape, GSA Connects is
- The conversation doesn't stop at #GSAConnects. Two special Geoheritage Pardee Symposium Webinars are coming this November, bringing some of the world's leading voices in geoheritage directly to you. Explore how geoheritage, critical mineral resources, sustainability, and

