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Geology

by Barnhill, David L last modified Apr 17, 2011 08:06 PM

We're the third rock from the sun, and rocks play a vital role in determining our native plants, natural communities, ecoregions, and watersheds. And it's been going on for a long, long time.

 

Deep time: Wisconsin geology's greatest hits.

Formation of the Canadian shield

Continental drift

Orogeny

A failed rift

Eons (?) of erosion

Cold time: Pleistocene glaciation in Wisconsin.

Ice ages in ages past and right now

Wisconsinian glaciation
When(s)
The effects of glaciation (and glacial movement)

The face of Wisconsin: Some geological features of our state.

Driftless area

Niagara escarpment

Karst

Moraines, kettles, ....

 

Look out below: Rock and soil

How rocks affect soil

Groundwater

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by Barnhill, David L last modified Apr 17, 2011 08:06 PM