geologic time

基本解释

Paramushir Island in the northern Kurils is an example of a large island built by several volcanoes over geologic time.
千岛群岛北部的幌筵岛是在地质年代中由数座火山形成大型岛屿的一个实例。
Preliminary results from their expedition suggest the supervolcano might have erupted over a period of a few million years or less — a rapid pace in geologic time.
远征探险队所作探索的初步结果表明，这个超级火山可能有着超过数百万年或较短时间的爆发周期 - 在地质年代里迅速迈步发展。
Over geologic time the central volcano becomes extinct, followed by erosion and subsidence beneath the sea surface, leaving the coral reefs as a ring around (or cap on) the submerged island remnant.
由于侵蚀和海底的下沉，经过地质时代的变迁，中心的火山已经不见踪影，而只留下珊瑚礁环绕或覆盖在沉入海底的火山岛上。

Neither is significant compared to the known global variations in temperature over geologic time, though any cooling still contradicts the AGW hypothesis.
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To get your head around geologic time, repeat this mantra: Stegosaurus was as far in the past for Tyrannosaurus Rex as T.
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Any interchange between the two, if it were possible, would have happened already in geologic time, measured in tens of millions of years, not in recent history.
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