我想問當地球的板塊經過板塊移動之後,會唔會有機會返回原本的位置?

2006-10-16 5:55 am
當地球的板塊移動後,,,位置會轉變...但有無可能/機會會重新再返回原本的位置呢?

回答 (2)

2006-10-17 12:49 am
✔ 最佳答案
板塊在軟流圈之上運動,由地幔對流柱產生驅動力而運動。
板塊之間有三種相對運動方式:聚合、張裂與保守(錯動)三種方式,所以板塊之邊界可分為張裂型板塊邊界和聚合型板塊邊界和錯動型板塊邊界三種類型。聚合型板塊邊界是板塊相互擠壓的地區,在地貌上表現為海溝、火山島弧、褶皺山脈等。張裂型板塊邊界是板塊相互拉張的地區,在地貌上表現為裂谷、中洋脊等。錯動型板塊邊界(保守性板塊邊界)是兩個板塊互相摩擦的地區,轉換斷層發育,其運動方式類似地表的走向滑移斷層,因面積無改變而稱之為保守性。
機會不是無的,但是十分少。
The movement of plates has caused the formation and break-up of continents over time, including occasional formation of a supercontinent that contains most or all of the continents. The supercontinent Rodinia is thought to have formed about 1000 million years ago and to have embodied most or all of Earth's continents, and broken up into eight continents around 600 million years ago. The eight continents later re-assembled into another supercontinent called Pangaea; Pangea eventually broke up into Laurasia (which became North America and Eurasia) and Gondwana (which became the remaining continents).
2006-10-16 6:09 am
little chance


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