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Illinois Landscapes
Loess and Sand Dunes
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GeoT Geography | Glacial Erratic Boulders | The Ultimate Erratic? | Ultimate Erratic -- Page 2 | Glacial Landforms -- 1 | Glacial Landforms -- 2 | Glacial Landforms -- 3 | Glacial Landforms -- 4 | Loess and Sand Dunes | Hoopeston's Location | Landscape of Northern Vermilion County | Penfield Illinois
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Loess Deposits ![]() Examining and photographing an exposure of loess -- near the Sangamon and Illinois Rivers. Snail shells were abundant in this deposit.
Adhesion of particles of loess allow an almost vertical angle of repose. ![]() Near the Illinois River, loess may be 25 feet thick! ![]() Modern soil developed on loess.
Near vertical roadcut in loess. ![]() Loess near the edge of the Havana Lowland -- the source of much of the silt.
The white objects are carbonate concretions. ![]() Three somewhat cat-shaped loess kindchen are near a boulder of Gowganda Tillite. Sand Dunes in Downstate Illinois ![]() Trees are growing on a small sand dune east of Rossville, Illinois. In a limited area, outwash sand was blown into dunes.
A low sand dune along the Rossville Road -- approximately 2 miles east of Rossville. ![]() An uprooted tree exposes sand -- east of Rossville, Illinois.
Upper Photo -- Sandy outwash plain in front of the Paxton Moraine, Rossville, Illinois. Click Here: Sand dunes northeast of Saint Anne, Illinois Click Here: Sand dunes near Havana, Illinois ![]() Sand dune near Woodland, Illinois. Note the gentle windward side of the dune to the left -- and the gradient leading to the slip-off slope to the right. Bossie had good advice!
Photographer's audience across ![]() Ok Bossie -- here it is! Thanks! ![]() Dune sand and snow. Woodland, Illinois.
Body Cemetery, Woodland, Illinois Click Here: Cemetery on a Sand Dune ![]() Sand dune crest at Body Cemetery, Woodland, Illinois. ![]() Glacial erratic monument -- Body Cemetery, Woodland, Illinois. | ||||