Coal-mining hazard resembles explosive volcanic eruption, study shows
Wednesday, September 30, 2009 - 23:49
in Earth & Climate
ANN ARBOR, Mich.---Worldwide, thousands of workers die every year from mining accidents, and instantaneous coal outbursts in underground mines are among the major killers. But although scientists have been investigating coal outbursts for more than 150 years, the precise mechanism is still unknown.