Map Layers:

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Geologic Time Slider: 0 mya
Usage Instructions:

Paleogeographic Features

Click on the Geologic Period tabs to see representations of Utah shorelines and other ancient geographic features during the past. Click on feature polygons to see more information about the paleogeographic features.

Stratigraphic Columns

Click on Strat Column Markers (dots) to see a stratigraphic column for the area.

Layer Thicknesses

Use the 'Search Thicknesses' box above to search the strat column database for layer thicknesses of specific formations across the state. (For example enter 'chinle' to see the thickness of the Chinle Formation across the state.)