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

Table 2

Example of tailings dam failure caused by seepage.

Year	Name and location	Ore type	Dam type	Dam height (m)	Release (cu. meters)	Deaths	State
1985	Stava, Peru	Fluorite	US	29.5	200,000	269	Active
1986	Huangmeishan, China	Fe	UN	UN	UN	19	Active
1994	Omai, Guyana	Au	WR	44	4,200,000	UN	Active
2000	Baia Mare and Baia Borsa, Romania	Au, Ag	DS and then US	UN	100,000	0	Active

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