(Table T2) Major and trace element analysis of ODP Site 200-1224 basalts

During Ocean Drilling Program Leg 200, ~45 Ma igneous basement, was cored in the northeastern Pacific at Site 1224. The basement surface was inferred to be 28 meters below...在大洋钻探计划（Ocean Drilling Program）第200航次期间，研究人员于东北太平洋1224站位钻取了形成于约45 Ma（百万年）的火成岩基底岩心。该基底顶面被推断位于……以下28米。