An Interactive Geologic Map of the World

Macrostrat

Macrostrat’s interactive geologic map covers the world with geologic map data aggregated from diverse sources; clicking on a location brings up more detailed information about said location. [Maps Mania]

Author: Jonathan Crowe

Jonathan Crowe blogs about maps at The Map Room. His nonfiction has been published by AE, The New York Review of Science Fiction, the Ottawa Citizen and Tor.com. His sf fanzine, Ecdysis, was a two-time Aurora Award finalist.