47 units spanning 2.0 Gyr
An geologic model of the Earth's crust through time.
A unified view of the world's geologic maps.
The rock record through time.
Stratigraphic names, lithologies, intervals and environments.
Specific regions and geological problems.
Macrostrat's mobile field companion.
What Macrostrat is, who builds it, and how it is funded.
Collaborators, supporters, and ways to contribute.
Macrostrat's scientific impact.
Funders, and what keeps the system running.
