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Outagamie Co., Wisconsin, USA

Outagamie County bedrock consists of Ordovician sedimentary rocks, primarily sandstone and dolostone. The dolostones are quarried where exposed and can yield interesting crystals including calcite, quartz, storntianite, dolomite, pyrite and marcasite. Much of the County is covered by glacial sediments, including lake deposits, till, outwash and loess. Occasionally the drift will yield some interesting minerals such as "drift" copper, banded iron formation and "Lake Superior" agates.

Mineral List

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

7 entries listed. 7 valid minerals.

Localities in this Region


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LeRoux, E.F. (1957) Geology and ground-water resources of Outagamie County, Wisconsin: U.S. Geological Survey Water-Supply Paper 1421, 57 p.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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