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Takeaway: the clock of volcanoes

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Takeaway: the clock of volcanoes

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‘Volcanic rocks’ are like a broken clock at a crime scene showing the ‘time’ of the incident

The most powerful eruptions are triggered by new ‘magma’ coming from deep down

How long after new and old magma meet will an ‘eruption’ occur?

This is key to understanding the pre-eruptive ‘behaviour’ of volcanoes