Learn, explore, and document your geologic world

Explore the data

Instant access to more than 155 geologic maps

Includes direct links to Macrostrat and GeoDeepDive (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 and uses 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

Search for and tag Paleobiology Database taxa.

Produced by the
UW Macrostrat Lab

Funded by
UW Geoscience