Sea salt not only dissolves from rocks, it also reacts with the rocks of the ocean crust and volcanic lava.The reactions take some of the salts in seawater away from the sea.

• 岩石溶解产生海盐，而同时，海盐又与大洋地壳中的岩石和火山熔岩进行化学反应，从而把一部分盐分从海水中带走。