(Table 1) Geochemistry of glass shards at DSDP Leg 84 Holes
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Three Leg 84 sites provided a good record of explosive volcanism onshore (in Central America). Ash layers and many ashy pods are interbedded in Recent to Oligocene strata....
三腿84个测点（Three Leg 84 sites）详实记录了中美洲陆上的爆炸式火山活动。全新世至渐新世地层中互层产出火山灰层与大量含灰团块……
