Instant access to hundreds of geologic maps from around the world.
Includes direct links to Macrostrat and xDD (where available)
Curious what you're standing on?
The Dashboard distills key facts about your location into a single, easy-to-read interface
"The best geologist is the one who has seen the most rocks"
Track your progress through the geologic rock record with summary statistics about your checkins
Record your observations
Rockd allows you to easily record your geological observations, using your location to provide spatially informed suggestions for nearby geologic units, time intervals, and fossils
Take pictures of and rate features
Tag stratigraphic names, even offline
Use your phone's compass to record strike and dip
Produced by Macrostrat
Funded by NSF, the AAPG Foundation and the University of Wisconsin Department of Geoscience