Chemical composition and age of magmatic rocks from the underwater Hokkaido Rise

Geological and geophysical investigations carried out within the Hokkaido Rise showed that intrusives composing outcrops of the crystalline basement on the ocean floor form a...在北海道海隆（Hokkaido Rise）范围内开展的地质与地球物理调查显示，构成洋底结晶基底露头的侵入岩体形成了……