Geochemistry and petrology of ODP Leg 121 basalts
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Basement lavas from Sites 756, 757, and 758 on Ninetyeast Ridge are tholeiitic basalts. Lavas from Sites 756 and 757 appear to be subaerial eruptives, but the lowermost flows...
九十东海岭（Ninetyeast Ridge）上756、757、758站位的基底熔岩均为拉斑玄武岩（tholeiitic basalts）。756与757站位的熔岩似乎为陆上喷发岩（subaerial eruptives），但最下部的熔岩流……
