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Road Log Knoxville -Young Mine - Ballard Mine - Knoxville

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Published:
January 01, 1992

Abstract

This trip traverses Middle Ordovician and Lower Ordovician Knox Group strata enroute to American Smelting and Refining Company’s (ASARCO) Young mine and mill complex (Stop 1). The Young mine, located near the center of the Mascot-Jefferson City zinc district, is the largest of the operating mines. The ore occurs mainly in collapse breccias which will be observed during an underground mine tour led by ASARCO staff.

The trip retraces the route to Knoxville, then turns southwest to the Sweetwater barite district traversing mostly Knox Group formations. The Stephens barite mine, the only currently active mine, as well as the largest producer over the district's 100-year history, can be seen in passing. The shaft site for the 1970’s U.S. Borax Company fluorspar project is just down-dip (southeast) from the Stephens site.

Turning northeast brings the trip to Stop 2, the Ballard barite mine. This mine, idle since 1958, has the best exposures of rock pinnacles, remnants of upper Knox Group mineralized breccias. As at all the mines in the Sweetwater district, economic ore occurs only in the clay residuum and mining stops when bedrock is reached. Trip returns to Knoxville.

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Contents

Society of Economic Geologists Guidebook Series

Zinc Deposits in East Tennessee

K.C. Misra
K.C. Misra
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R.E. Fulweiler
R.E. Fulweiler
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K.R. Walker
K.R. Walker
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Tommy B. Thompson
Tommy B. Thompson
series-editor
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Society of Economic Geologists
Volume
14
ISBN electronic:
9781934969670
Publication date:
January 01, 1992

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