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La Crosse Co., Wisconsin, USA

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Bluffs near LaCrosse, Wisconsin

La Crosse Co., Wisconsin, USA
Bluffs near LaCrosse, Wisconsin

La Crosse Co., Wisconsin, USA
Bluffs near LaCrosse, Wisconsin

La Crosse Co., Wisconsin, USA
LaCrosse County is underlain by Cambrian and Ordovician sandstone and dolostone. Both are well exposed as bluffs and along deep drainages (or "coulees") of streams draining down to the Mississippi. The dolostone is often quarried, where there is the potential to find drusy quartz crystals, chert, calcite , dolomite and sulfides such as pyrite and marcasite. Although in the "Driftless Area" that escaped recent glacial cover, fluvial sediments found along the Mississippi corridor are derived from glacial drift upstream. Thus there is the potential to find interesting minerals such as drift gold, banded iron formation, jasper, copper nuggets and "Lake Superior" agates in this alluvium.

Mineral List

Mineral list contains entries from the region specified including sub-localities

2 entries listed.

Localities in this Region

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Dott, Robert H. & J.W. Attig, (2004) Roadside Geology of Wisconsin, Mountain Press, 345 p.

External Links

Wisconsin Mineral index - Wisconsin Geological and Natural History Survey

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