They found ShatskyRise is made up of layers of hardened lava, with individual lava flows up to 75 feet thick (23 meters).
他们发现沙莰基隆起是由很多层硬化的熔岩所组成,其中个别熔岩流的厚度竟达75英尺(23米)。
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ShatskyRise formed at the intersection of three tectonic plates, known as a triple junction, where the crust is thin, with magma coming from near the surface.