< p >问题来找我当考虑安第斯山脉:< / p > < p >是slab-breakoff总是连接到从俯冲的洋壳过渡到一个大陆/大陆碰撞?< / p > < p > < a href = " https://i.stack.imgur.com/RKoYS.png " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/RKoYS.png " alt = "在这里输入图像描述" / > < / > < / p > < p >目前的理解是,俯冲,或一般的板块构造,主要是推动< a href = " https://www.eurekalert.org/pub_releases/2019-09/scp-wdp090219.php " rel = " nofollow noreferrer " >的拉负浮力引起的冷,密集的海洋地壳< / >,与其他因素扮演一个次要角色。< / p > < p >让我们看看破坏性结束:当海洋大陆下地壳取回它消失进入地幔,可能拖后不那么密集的大陆块体,直到大海已经关闭了,拖着大陆碰撞与另一个。我们知道,发生在喜马拉雅山,欧洲阿尔卑斯山脉和阿巴拉契亚山脉(列表不完整)。< / p > < p >理论化,大陆地壳的不情愿下取回在大陆/大陆碰撞,把部队可能导致晃来晃去的海洋地壳< a href = " https://en.wikipedia.org/wiki/Slab_detachment " rel = " nofollow noreferrer " >分离< / >。这样的分离板早已俯冲海底可能仍然驻留在地幔,例如在< a href = " https://pubs.geoscienceworld.org/gsa/geology/article-abstract/44/4/283/132040/Eocene-Neo-Tethyan-slab-breakoff-constrained-by-45 " rel = " nofollow noreferrer " >喜马拉雅山脉< / >,在几个阶段< a href = " https://www.nature.com/articles/srep31010 " rel = " nofollow noreferrer " >阿尔卑斯山< / >,“突然”获得的浮力引起的分离可能是司机的隆起和造山运动。 Though partly speculative and not good for an "ad-hoc" and general explanation for an orogeny, is that process assumed to be always connected to a continent/continent collision? I found no discussion or proposal in literature about the Andes (Nazca plate subduction), at least not when searching superficially.