4 ms·
On a global, semi-uniform scale? Not sure. But locally, maybe intense vulcanism? The Siberian Traps[1] were bringing up material from below ground on a scale th
by wolfram74 7y ago
On a global, semi-uniform scale? Not sure. But locally, maybe intense vulcanism? The Siberian Traps[1] were bringing up material from below ground on a scale that's kind of hard to fathom.
[1]https://en.wikipedia.org/wiki/Siberian_Traps https://en.wikipedia.org/wiki/Siberian_Traps
- marcus_holmes 7y agothat makes sense, though that was a 2-million-year event, so maybe something smaller ;)