The oldest rocks in Kansas can be found in Blue Rapids –
Sioux quartzite was formed more than 1.5 billion years ago in Minnesota, then
was brought here when the Ice Age glaciers melted 10,000 years ago.
These melting glaciers left quartzite, limestone and
vegetation along the way and sculpted the terrain to form the current waterways
and rounded ridges of the northern edge of the Flint Hills.
The Ice Age Monument in Blue Rapids was dedicated in May
2012 to honor this geological heritage. The monument is located on the Round
Town Square and includes an information kiosk, pylons with inscriptions, Sioux
quartzite boulders and night time lighting. Learn more about the monument here.
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