MISCELLANEOUS NONMETALLIC PRODUCTS. MICA DEPOSITS OF NORTH CAROLINA. By DOUGLAS B. STERRETT. INTRODUCTION. The...most important producers among these have been North Carolina, South Dakota, New Hampshire, Virginia, Colorado...Alabama, Georgia, and Idaho. For many years North Carolina has led in both quantity and value of output...amount North Carolina is credited with $127,870. The value of the mica production in North Carolina during...Geological Survey and the North Carolina Geological Survey. The greater part of the mine descriptions were obtained |