Glacial Deposits of Northeastern Ohio and Northwestern Pennsylania

 

Stage

Killbuck Lobe Unit

Grand River Lobe Unit

Material

"Late" Wisconsin

Ashtabula till

Ashtabula till

Brown silty-clay till

Hiram till

Hiram till

Brown clay till

Hayesville till

Lavery till

Brown silty-clay till

Navarre till

Kent till

Yellow-brown silty-sandy till

Sidney interval

Weathered zone

Weathered zone

Weathered till and sicontinuous thin paleosol

Early Wisconsin

Millbrook till

Mogadore till

Yellow-brown to olive-brown sandy till

Sangamon?

Weathered zone

Deeply rusted, red-yellow gravels

Illinoian

Unnamed till

"Inner phase" till

Yellow to olive-brown sandy till with many gravel kames

Unnamed till

"Outer phase" till

Discontinuous deeply weathered till and scattered erratics

Pre-Illinoian

Unnamed tills

Unnamed tills

Generally sandy and coarse-sandy tills


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