Latest news on the proposed Triangle Quarry Expansion at RDU

Feed Grade Calcium Carbonate:
Calcium-rich Feed Supplement

Wake Stone Feed Grade Calcium Carbonate is mined from a marine limestone source located in Loris, South Carolina. The calcium carbonate average is 92%, but values are subject to variations in the deposit. Feed Grade Calcium Carbonate is a product added to animal feeds and provides a great source of soluble calcium.

Wake Stone Calcium-rich Feed Supplement is available at our North Myrtle Beach Quarry.


  • Calcium-rich poultry feed grit, for healthy digestion and strong egg shell development
  • Adequate dietary intake of calcium is required daily for all healthy livestock