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Geology, Palaeontology & Archaeology / Re: Can one test volcanic rocks to determine the age of a past eruption?
« on: 13/11/2018 03:56:25 »
Good, thanks. I will contact someone at the largest university here to see if they can help with sample collection and dating.
Yes, the volcano could well be dormant only, given the profusion of hot springs. I presume there is magma below because of the existence of these springs, not because of any other knowledge. As I say, there is no detailed history here so I had hoped some kind of dating on what looks like evidence of previous eruptions might help, given that both kinds of rocks are located besides rivers that originate on the slopes of the ancient volcano.
I'm curious about this personally because the local people tell me that some have been here since the volcano was much larger, and they survived its massive eruption in ancient times. I first assumed this was mythology, but if the dating shows evidence of a major eruption within the last 50,000 years, I suppose this oral tradition could relate an actual geological event.
Yes, the volcano could well be dormant only, given the profusion of hot springs. I presume there is magma below because of the existence of these springs, not because of any other knowledge. As I say, there is no detailed history here so I had hoped some kind of dating on what looks like evidence of previous eruptions might help, given that both kinds of rocks are located besides rivers that originate on the slopes of the ancient volcano.
I'm curious about this personally because the local people tell me that some have been here since the volcano was much larger, and they survived its massive eruption in ancient times. I first assumed this was mythology, but if the dating shows evidence of a major eruption within the last 50,000 years, I suppose this oral tradition could relate an actual geological event.