最近30从www.hoelymoley.com 2023 - 07 - 07 - t14:50:33z //www.hoelymoley.com/feeds/question/17644 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/17644 1 JohnWDailey //www.hoelymoley.com/users/4985 2019 - 08 - 03 - t03:30:02z 2019 - 08 - 03 - t06:16:43z

< p >这是布鲁克斯山脉的地图在阿拉斯加北部:< / p > < p > < a href = " https://i.stack.imgur.com/mWa6M.jpg " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/mWa6M.jpg " alt = "在这里输入图像描述" > < / > < / p > < p >正如你所看到的,它是一个内陆范围形成一个向下的曲线。这是为什么呢?什么是布鲁克斯山脉的隆起的历史吗?如何以及什么时候一块海或低地起来downward-curving远离海岸的山脉吗? < / p >

//www.hoelymoley.com/questions/17644/-/17645 # 17645 3 斯宾塞 //www.hoelymoley.com/users/6467 2019 - 08 - 03 - t05:17:12z 2019 - 08 - 03 - t06:16:43z

< p >如果你扩展进一步绘制出一点,你会发现布鲁克斯山脉是落基山脉到阿拉斯加的延续。< / p > < p > < img src = " https://www.freeworldmaps.net/northamerica/northamerica-physical-map-highres.jpg " alt = "北美山" > < / p > < p > < em >来源:< a href = " https://www.freeworldmaps.net/northamerica/ " rel = " nofollow noreferrer " > freeworldmaps.net < / >,©丹尼尔视野中时(显式地允许使用< a href = " https://www.freeworldmaps.net/about.html " rel = " nofollow noreferrer " > < / >) < / em > < / p > < p >布鲁克斯山脉形成的同时在加拿大落基山脉前面范围和较低的48岁,在< a href = " https://en.wikipedia.org/wiki/Laramide_orogeny " rel = " nofollow noreferrer " >拉拉米造山运动< / >持续从毗邻8000万年前到3500万年前。这是海洋板块的俯冲引起的(主要是< a href = " https://en.wikipedia.org/wiki/Farallon_Plate " rel = " nofollow noreferrer " >法拉龙板< / >也是< a href = " https://en.wikipedia.org/wiki/Kula_Plate " rel = " nofollow noreferrer " >库拉板块< / >,并在较小程度上,太平洋板块)在北美西海岸。< / p > < p >法拉龙板去< a href = " https://en.wikipedia.org/wiki/Flat_slab_subduction " rel = " nofollow noreferrer " >在北美浅角< / >;由于这个原因,很大一部分北美西部隆起,深入大陆,与断层推古基底岩石的地方今天前面的范围和布鲁克斯山脉。< / p > < p > < img src = " https://upload.wikimedia.org/wikipedia/commons/4/48/North_America_subduction1.jpg " alt = "马板55 " > < / p > < p >太平洋板块,55。< em >来源:维基共享< / em > < / p > < p >库拉板块“消逝”,和法拉龙板大多是走了,除了少数残余的胡安德富卡板块正朝着。因为不同的方向,太平洋板块走势,俯冲ialong西海岸主要是北美太平洋板块滑过去了。创建山脉深处的浅俯冲室内完成。俯冲带进一步创造了西部的阿留申群岛的火山弧,但这是一个更陡峭俯冲。< / p >

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