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Juneau Co., Wisconsin, USA

Juneau County's bedrock is primarily clean Cambrian sandstones. A mound of Precambrian quartzite outcrops at Neceedah, where it is quarried, and displays in places the Cambrian- Precambrian unconformity. The bedrock sticks up as prominent bluffs that were islands and sea stacks within Glacial Lake Wisconsin. Otherwise the sandstone is well exposed along the Dells of the Wisconsin River, a popular tourist attraction. Lake sediments and other glacial drift blanket most of the county.

Mineral List

Mineral list contains entries from the region specified including sub-localities
'K Feldspar'
var: Fulgurite'


9 entries listed. 7 valid minerals.

Localities in this Region


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