海槽玄武岩构造环境属于过渡洋中脊玄武岩 （张性 ）与岛弧玄武岩 （压性 ）之间 ，代表的仍是海槽早期的岩浆活动。
The tectonic settings of the basalts are transitional between MORB (tensile) and IAB (compressive), still representing the earlier stage of magma activities in the Okinawa Trough.
变质玄武岩的地球化学特征与大陆裂谷型火山岩一致，形成于活动陆棚裂陷（谷）盆地的构造环境。
The geochemical characteristics of the metabasalt agree with those of continental rift type volcanic rocks, forming a tectonic environment of the active shelf rift basin.
根据贺兰山汝箕沟玄武岩的地质构造位置、产状特征、岩石组构和地球化学指标等，将其划归为大陆裂谷玄武岩系列，它代表了典型的陆内拉张环境。
According to geologic structural location, features of occurrence, rock fabric and geochemical index of basalt in Ruqi clough of Helan Mountain, it can be regarded as continental rift basalt.
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