This report presents geologic and mineral-dressing data to evaluate the upper part of the Cambrian-age Chilhowee Group rocks in northern McDowell County, North Carolina, as a source of high-silica material. Previous investigations demonstrated that quartzites of the upper Chilhowee in this area are a potential silica resource. By L.S. Wiener, C.E. Merschat, and J.T. Tanner, Jr., 1990. 22 pages.
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