全球六大板块大致划分：
太平洋板块：近4/5的太平洋都在此板块内；
美洲板块：整个美洲以及接近美洲的部分太平洋、大西洋；
亚欧板块：几乎整个亚洲以及欧洲，但属于亚洲的印度不在此板块内，还有一部分大西洋；
南极洲板块：整个南极洲以及除北冰洋外的三大洋的边缘部分；
非洲板块：整个非洲以及一部分大西洋；
印度洋板块：澳大利亚东、北、南的部分大洋洲国家，绝大部分印度洋，以及印度次大陆、阿拉伯半岛都在此板块内。
所以，大西洋不是单独存在于某个板块内，它被几个板块“瓜分”了。只有太平洋比较完整地单独存在于一个板块内。补充一下，北冰洋也是被亚欧板块、美洲板块“瓜分”了。
The six greatest tectonic plates in the worlds mostly divide the line:
Pacific Ocean tectonic plate:About 4/5 Pacific Oceans all in this tectonic plate;
American tectonic plate:The part of Pacific Oceans, Atlantic Ocean of the whole American and close America;
Second Europe tectonic plate:Almost whole Asia and Europe, but belong to India in Asia is not in this tectonic plate, also have one part of Atlantic Ocean;
Antarctica tectonic plate:The whole Antarctica and in addition to the edge part of three oceans out of the arctic ocean;
African tectonic plate:The whole Africa and one part of Atlantic Ocean;
Indian Ocean tectonic plate:Part of Oceanica nations of Australia east, north, south, overwhelming majority Indian Ocean, and India time big six, Arabian Peninsula and all in this tectonic plate.
So, Atlantic Ocean is to be exist in alone inside a certain tectonic plate and it was "divide"ed by a few tectonic plates.It only Pacific Ocean and more and completely and alone is exist in inside a tectonic plate.Complement once, the arctic ocean was also"divide"ed by the second Europe tectonic plate, American tectonic plate.
