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Post by sigurdur on Mar 7, 2017 4:18:27 GMT
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Post by missouriboy on Mar 7, 2017 18:29:17 GMT
Must have been one hell of a large and continuing(?) volcanic event?
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Post by sigurdur on Mar 7, 2017 18:33:37 GMT
Seems those happened when plate tectonics was a wild and woolly event.
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Post by Ratty on Mar 8, 2017 0:44:01 GMT
Seems those happened when plate tectonics was a wild and woolly event. A mammoth eruption?
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