open-Pit Planning at the Adams Mine
F. J. West General Foreman, Pit and Crusher, Adams Mine, Jones & Laughlin Steel Corp., Northern Ontario Ore Div., Kirkland Lake, Ont.
This paper deals with Jones & Laughlin Steel Corporation's new Adams mine, near Kirkland Lake, Ontario. After a brief discussion of ore structure, type, reserve tonnages, etc., the main body of the paper discusses the establishment of an open-pit limit based on economic considerations. The method used by J & L to arrive at an economically sound open-pit boundary is outlined fully. Physical limitations to open-pit boundaries are mentioned briefly. The paper concludes with a few remarks on the mining equipment in use and on its productivity.
Adams Mine, Adams Mine, Aliquippa, Pennsylvania, Cleveland, Ohio, Foreman, Kirkland Lake, Economics, Mine, Mines, Ore, Ores, Pits, Profits