1961年,美国遮佛尔逊岛盐矿(Jefferson Island Salt Mine)地下爆破中第一次发生铵油炸药早爆事故。两个工人伤亡。这两个工人(爆破工和助手)当时是在26×65呎的工作面上装填一组72个炮孔。事故前,靠近右边矿柱的三排孔已有9个孔装完了药,有些已经接好脚线。此时,工作平台升到接近上部三排炮孔,靠近矿柱右边的 In 1961, the first explosions of ammonium oil explosives occurred during the underground blasting at the Jefferson Island Salt Mine in the United States. Two workers were killed or injured. The two workers (blasting workers and assistants) at the time were filling a set of 72 holes on a 26 x 65 foot face. Prior to the accident, nine holes were drilled in the three rows of holes near the pillars on the right, some of which were already connected to the foot. At this point, the work platform rose to close to the top three rows of holes, near the pillar on the right