Pillar recovery of orebody no. 8 at East-Tongyu Gold Mine
Jiang Yunren (East-Tongyu Gold Mine)
This paper emphatically described the shap,e of pillar, the pillar method and technical economic index at orebody no. 8 of East-Tongyu Gold Mine, also, briefly introduced the economic benefit carrying on by pillar extraction method. A long-term practice has proved that the pillar extraction method is suitable not only for the recovery of orebody no. 8 in this mine but also achieves better economic effects.