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The Los Frailes mine is owned by Boliden-Apirsa (formerly Andaluza de Piritas, S.A.), the Spanish subsidiary of Boliden, and produces about 125,000 t (123,000 long tons; 138,000 short tons) of zinc and 2.9 million troy ounces (200,000 lb; 90,000 kg) of silver per year.
The reservoir emptying through the failed Teton Dam on June 5, 1976 Ruins of the dam of Vega de Tera (Spain) after breaking in 1959. A dam failure or dam burst is a catastrophic type of structural failure characterized by the sudden, rapid, and uncontrolled release of impounded water or the likelihood of such an uncontrolled release. [1]
The flood was caused by the failure of a dam, releasing water from the Vega de Tera reservoir. A total of 144 of the 664 residents in Ribadelago were killed. It was the first of two fatal dam failures in Europe that year; in December, the collapse of the Malpasset Dam resulted in over 400 fatalities.
An agreement by Vale, BHP and their joint venture Samarco to pay 170 billion reais ($29.85 billion) in compensation for a deadly dam collapse in Brazil could end more than a hundred lawsuits ...
A hearing in a lawsuit against BHP over Brazil's worst environmental disaster, the 2015 collapse of the Mariana dam, will begin at London's High Court on Monday, with claimants seeking up to 36 ...
The landslide eventually formed a dam that created a lake three miles (5 km) long and over 200 ft (60 m) deep. [7] Concerned the dam could fail, the state of Utah decided to build a tunnel to re-route the flow of the river. [12] The residents of downstream Spanish Fork were told to be prepared to evacuate. Engineers estimated that if the dam ...
Bromine liquid readily transitions to vapor at room temperature, indicating high volatility. In chemistry , volatility is a material quality which describes how readily a substance vaporizes . At a given temperature and pressure , a substance with high volatility is more likely to exist as a vapour , while a substance with low volatility is ...
Two years after the $20 million removal of the Middle Fork Nooksack dam, salmon have safe passage through the river, but none have been seen — so now local tribes and wildlife officials are ...