To see paleo reconstructions of Utah's geography in past geologic periods, slide the slider and see how the landforms changed over time. For more information on this section visit the overview page at this link.

Click anywhere on the map to see a short geologic unit description for that location. Click the markers to see detailed geologic descriptions for major units of the Grand Staircase. For more information on this section visit the overview page at this link.

Click on a marker for a dynamically created stratigraphic column. For Utah columns, clicking on the assorted cells will take the user to more information. For more information on this section visit the overview page at this link.

Click on a marker for geologic road guides for that highway. For more information on this section visit the overview page at this link.

Use this input to search for unit/formation thicknesses. Enter units seperated by a comma with no spaces. For help see this page

Currently it does NOT search Members or Groups (that functionality coming soon).

For more information on this section visit the overview page at this link.

Use this input to search for unit/formation thicknesses. Enter units seperated by a comma with no spaces. For help see this page

Currently it does NOT search Members or Groups (that functionality coming soon).