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Barron Co., Wisconsin, USA

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Rose Rock Quartzite Quarry

Barron Co., Wisconsin, USA
Rose Rock Quartzite Quarry

Barron Co., Wisconsin, USA
Rose Rock Quartzite Quarry

Barron Co., Wisconsin, USA

Barron County Wisconsin in underlain primarily by poor-exposed Cambrian sandstones. In the northeastern portion of the county, the Blue Hills are ridges held up by pink to red Proterozoic quartzites. These have been locally quarried for building stone. The zircons noted in the mineral list are sand-sized "heavy mineral" grains from the quartzites. The quartzite also hosts thin layers of pipestone which have been worked by Native Americans since prehistoric times.

Glacial drift is thick in the County, primarily the result of deposition by the Wisconsinan Chippewa lobe. The dedicated collector can find interesting samples in the glacial drift including "drift" copper, banded iron formation and "Lake Superior" agates.

Mineral List

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

5 valid minerals.

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.


Gunderson, James N. 1983, "Pipestone Argillites from Huronian Quartzites in Wisconsin", G. S. A. North Central Mtg., Abstracts with Programs, p. 210.

Dott, R. H. Jr. & J. W. Attig (2004) Roadside Geology of Wisconsin: Mountain Press Publishing Company, 346 p.

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