Great Unconformity Mega-Escarpment Simulator

Bright Angel / Muav Shale (505 Ma)

Tapeats Sandstone (508 Ma)

Grand Canyon Supergroup (1.25–1.1 Ga)

Vishnu Basement Metamorphics (1.75 Ga)

The Great Unconformity Boundary

TIME SCRUBBER: 1.10 Ga

Hypothesis Preset Suite

Basement Exposure

1.05 Ga

Eroded Rock Vol.

750 km³/km

Tapeats Contact El.

850 m

Hiatus at Probe

1200 Myr

Initial Scarp Height 1.0 km

Scarp Retreat Velocity 0.05 mm/yr

Fault Dip Angle 65°

Virtual Drill Probe Position 65 km

Click canvas or drag probe slider to core.