The most impressive volcanic phenomena are explosive eruptions . 最令人难忘的火山现象是爆炸喷发。
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The phenomena associated with volcanic activity 火山现象与火山活动有关的现象
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This hypothesis gained strength when we learned that the ages of the zircons from post - lava creek eruptions span the entire two - million - year duration of yellowstone volcanism 我们得知克里克熔岩喷发物质中的锆石,年龄分布横跨整个黄石火山现象的200万年,这使我们的猜测更有说服力。