加拿大地球物理学家 Tuzo Wilson 意识到,如果一块在内部固定火山源上移动的表面板块形成了岛屿,就会导致岛屿年龄增加。
Canadian geophysicist Tuzo Wilson realized that this age progression could result if the islands were formed on a surface plate moving over a fixed volcanic source in the interior.
A few miles away, in land managed by Weyerhaeuser, a timber producer, thick stands of trees laboriously planted by hand immediately after the eruption rise 70 feet tall.