专业释义英英释义
Algoman orogeny
- abstract: The Algoman orogeny, known as the Kenoran orogeny in Canada, was an episode of mountain-building (orogeny) during the Late Archean Eon that involved repeated episodes of continental collisions, compressions and subductions. The Superior province and the Minnesota River Valley terrane collided about 2,700 to 2,500 million years ago.
以上来源于: WordNet
应用推荐
$firstVoiceSent
- 来自原声例句