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由于地理位置上的遥远性,太平洋东南部至今研究程度仍然较差,了解甚少。例如不了解有关这个地区发生的海洋作用过程与晚新生代在南半球的巨大构造和气候事件的联系等(在这个时候发生了德雷克海峡的开放和巴拿马海峡的封闭,安第斯山系的隆起和南极洲冰盾的形成);不清楚在太平洋
Due to its geographical location, the research level in the southeastern Pacific is still poor, with little understanding. For example, there is no understanding of the relationship between the ocean processes occurring in this area and the late Cenozoic massive structural and climate events in the southern hemisphere (at this time the opening of the Drake Strait and the closure of the Panama Strait, the Andean uplift and Antarctica Ice shield formation); not clear in the Pacific