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AsteroidX

Cro-Magnon man

9 posts in this topic

Why did he Cro-Magnon cross the ice bridge ?

Was the ring of fire active ? Did he know it was a good source of fire ?

Discuss

Edited by AsteroidX

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The most readily accepted answer is that Homo Sapiens crossed Beringia while following large migratory animals.

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Was the ring of fire active ?

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It's a seismically active zone, sure. But it's not like it constantly spews lava. It's main activity is on the Pacific basin.

Besides, H. sapiens had long since mastered fire by the time they reached the Americas.

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Carrying it across an ice bridge with minimal tools and only hunting to live off of. It must have been a hard walk. Any fire they brought they had to keep going while migrating.

Im only curious about the volcanic activity around both sides of the walk.

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Mount Mazama began its climactic eruption about 7,700 years ago, blowing out about 50 km3 (12 mi3) of magma as pyroclastic materials (mostly rhyodacite pumice and fine ash) in at most a few days. The volcanic ash covered parts of the northwestern states to as far as central Canada. Rare particles of Mazama ash have even been found in ancient ice from Greenland. The airfall pumice and ash covered a total surface area of more than 2,600,000 km2 (1,000,000 mi2) at least 1 mm (fraction of an inch) thick, and no less than 13,000 km2 (5,000 mi2) more than 15 cm (6 in) thick. A volume of 42-54 km3 (10-13 mi3) of the mountaintop had disappeared.

That would have been a heckuva thing to be hanging around for

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So what if life entered the Siberian after this event It doent tell me me what the climate chnage has been from then till now. Did it go from ash splattered to frozen waste instantly ?

http://www.rochester.edu/pr/releases/ear/basu2.htm

http://traveltips.usatoday.com/climate-siberia-russia-63599.html

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A learned from this. Best Garden. Iwatuts look tasty.

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