用spreading ridge造句子，“spreading ridge”造句
來源：國語幫 4.88K
The different rock associations of pyroxenite+ gabbro and troctolite+ gabbro in the accumulating complex are related to depth of formation of magmatic chambers and oxidation state of magma in the spreading ridge.
Its tectonic environment may be the spreading ridge of a small oceanic basin at the start.
The hotspot has pushed the spreading ridge up to the surface and supplemented its activities with some extra volcanism on the side.
