This is not caused by deeper oceans, more water, at the Equator but rather the shape of the Earth itself, the magma layer in particular.
这不是由赤道处更深的海洋和更多的水体所引起的，而是地球本身的形状，特别是其岩浆层引起的。
The origination of the magma is related with the dehydration of the subducting plate of the Palezoic Tethy Sea and the early tension of the form of the Lancangjiang belt red layer basin.
火山岩岩浆的形成既与古特提斯洋的俯冲洋壳在深部脱水有关，又与南澜沧江带红层盆地形成初期的拉张作用有关，为山—盆转化阶段特殊岩浆类型。
The imbricate fan of thrusts and soft layer are main structure features distinguishing thrust-nappe structure in magma-tic body area.
野外判定岩浆岩地区逆冲推覆构造的主要标志是逆冲叠瓦扇和软弱滑动层的存在。
应用推荐