A Comprehensive Review on Reasons for Tailings Dam Failures Based on Case History

Table 3

Example of tailings dam failures caused by foundation failure.

Year	Name and location	Ore type	Dam type	Dam height (m)	Release (cu. meters)	Deaths	State
1998	Los Frailes, Spain	Pb, Zn	WR	27	6,800,000	0	Active
2014	Mount Polley, Canada	Cu, Au	CL	40	23,600,000	7	Active

WR: water retention; UP: upstream; CL: centerline; DS: downstream; UN: unknown.