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Dane Co., Wisconsin, USA

Dane County's bedrock consists of Cambrian and Ordovician sedimentary rocks - primarily quartz sandstones and dolostones. Quarries in the dolostone in particular can yield specimens of calcite, quartz and dolomite. A few fringe deposits of the Upper Mississippi Valley Zinc-Lead District bear small amounts of galena, sphalerite and associated minerals. Glacial deposits, including glacial lake sediments, obscure the bedrock in most of the county.

Madison, a dynamic Midwest American city, is Wisconsin's state capital. An array of building stones are visible in the state capital building. Madison also hosts the main campus of the University of Wisconsin System. Weeks Hall contains U.W.-M.'s highly-ranked geology department and the excellent Geology Museum which has a number of programs and public outreach activities. Madison also houses the Wisconsin Geological and Natural History Survey, at which one can obtain publications and maps about all aspects of Wisconsin geology.

Mineral List

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

8 entries listed. 7 valid minerals.

Localities in this Region


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Heyl, A. & West, W. (1982) Outlying mineral occurrences related to the Upper Mississippi Valley Mineral District, Wisconsin, Iowa, Illinois, and Minnesota: Economic Geology: 77(8): 1803-1817.

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

External Links

U. Wisconsin Geology Museum - http://www.geology.wisc.edu/~museum/

Wisconsin Geological and Natural History Survey - http://wisconsingeologicalsurvey.org/

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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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