Barron Quartzite

Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay
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The Barron Quartzite (Bq on the map above) is probably equivalent to the Sioux Quartzite of Minnesota, Iowa and South Dakota, and to the "Baraboo interval" quartzites elsewhere in Wisconsin. Like the Sioux Quartzite, and unlike most of the other quartzites in Wisconsin, the Barron is nearly horizontal and little disturbed.

On the map above, dark green signifies elevations below 300 meters, with contours at 50 meter intervals. Pink represents elevations abover 450 meters. Xmv means Precambrian X metavolcanic rocks, Xg means Precambrian X granitic rocks and C represents Cambrian. Red lines are faults.

	Distant view of the Barron Hills.
	Left: scene in the Barron Hills. The hills are thickly wooded and good outcrops are scarce though float is abundant.
	Left: View from a hilltop in the Barron Hills Below: outcrops are not common, but abundant float and the topography furnish good clues to the extent of the quartzite. Below are photos of a small road cut on 18-1/2 Avenue about 3 km east of County M.
	Left: view of the outcrop locality, on the flanks of the quartzite hills.
	Left: a large quarry just south of the Mount Hardscrabble ski area.
	Left: distant view of the quarry from a gravel pit on County M.
	Left and below: the gravel pit exposes quartzite at the extreme outcrop limit. This could be an outlier.
	View north along County M.

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Created 11 April 2007, Last Update 20 April 2007

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