volcanism

Many scientists still argue that volcanism is the more likely cause.

许多科学家仍然主张火山活动更可能是肇因,有些人认为宇宙尘是比富勒烯更可靠的撞击事件指标.

Flash heat, volcanism, lightning, wind, and waves all renew the material world.

快速加热 、 火山活动 、 闪电 、 风力以及海浪能够让物质世界焕然一新.

Once the volcanism has stopped as oxygen is adequate, animals will be awakened from the stasis.

一旦火山停止,氧气足够, 动物们将从停滞中被唤醒.

These events are associated with changes in ocean circulation, solar radiation and volcanism.

这些现象同海洋循环 、 太阳辐射以及火山活动有关.

Periods of volcanism are indicated by the presence of pyroclastic material in the formation.

群系中火成碎屑物的存在表明了火山酌的形成年代.

If active volcanism were responsible then it would be a major discovery with important implications.

如果活火山作用可信,那么这将是一项具有重要意义的重大发现.

Both kinds of plate boundary are associated with fault systems, earthquakes and volcanism.

两种板块边界均与地层系统 、 地震以及火山活动有关.

Pengxian deposit and the Masongling Formationformation are products of island arc volcanism in convergent plate boundary.

证据表明,马松岭组及其所赋存的铜矿床均为会聚性板块边界古火山岛弧的产物.