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Places of Geologic Significance
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Managed By: Icon Here Interested Geologists
Description:
A category in which to place interesting rock, sand, soil formations and deformations which have been created by natural (not human) forces.
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Image for Glacier Depositview gallery

SESE71.3 km

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Places of Geologic SignificanceGlacier Deposit

in Places of Geologic Significance

Located in the Hickory Grove Highland Conservation Area,this spot has 2 boulders that were depsotied by a glacier.

posted by: Groundspeak Premium Member McHenry County Conservation District

location: Illinois

date approved: 6/1/2010

last visited: 10/31/2010

Image for Van Hise Rockview gallery

NWNW131.5 km

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Places of Geologic SignificanceVan Hise Rock

in Places of Geologic Significance

The material of this rock was once sand on the sea bottom, and has since hardened into Quartzite. It was tilted to the present position by a slow earth movement, and then separated from the adjacent cliff by erosion.

posted by: Groundspeak Regular Member Archived2012

location: Wisconsin

date approved: 9/7/2007

last visited: 9/20/2015

Image for Illinois River Sandstone Bluffs, Starved Rock State Park - Utica, ILview gallery

SS133.7 km

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Places of Geologic SignificanceIllinois River Sandstone Bluffs, Starved Rock State Park - Utica, IL

in Places of Geologic Significance

The 100 ft high sandstone bluffs in Starved Rock and other area state parks were carved by glacial melt waters further north - in weeks by the Kankakee Torrent.

posted by: Groundspeak Premium Member NorStar

location: Illinois

date approved: 10/22/2013

last visited: 10/22/2014

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