Some of the Cambrian quartz sandstone has potential as "frac sand". Locally wavellite and other phosphate mines form veins and cement in the sandstone.
Glacial drift cover is relatively thin, and the landscape is dominated by pleasant buttes or "mounds" underlain by Cambrian strata. Outwash gravel from Pleistocene meltwater can yield some interesting rocks from glacial drift such as copper, banded iron formation and "Lake Superior" agates.
Mineral ListMineral list contains entries from the region specified including sub-localities
39 entries listed. 32 valid minerals.
Localities in this Region
The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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, R. H & J. W. Attig (2004) Roadside Geology of Wisconsin: Mountain Press, 346 p.
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Locality Updated: Woodsboro, Frederick Co., Maryland, USAFrom Bill Cordua, 13th Dec 2013 02:30:58