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地震也能“点石成金”?
当地震发生时,石英矿脉中的石英晶体因受压而产生压电效应,形成局部电场。这一电场为地下水中的金离子提供了还原的机会,使它们沉积并逐渐聚集成可观的金块。随着地震的不断发生,这一过程反复进行,最终形成了我们今天所见的富含黄金的石英矿脉。
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