List of Slides for Indiana Dunes
White dunes
stand out against the shoreline.
Sand dunes
form along the shores of Lake Michigan.
The
Two Creeks Forest
was buried by encroaching dunes.
Lake sediments
helped to bury the trees.
An old tree, rooted in an
ancient soil
, had been buried, but now is exposed.
Wave action today produces
erosion
along the shore.
This can be a
major problem
for homeowners!
Most of the
surface material
of Illinois was carried down from the north by glaciers.
The youngest glacial material is located in the
northeastern part of the state
.
This serves as the source for the
beach sands
.