Geochemistry of basalts at DSDP Leg 73 Holes@en
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During Deep Sea Drilling Project Leg 73 (South Atlantic), basaltic pillow lava, flows, and sills were encountered in Holes 519A, 520, 522B, and 524. Paleomagnetic data indicate that the basalts from Holes 519A (magnetic Anomaly 51) and 522B (Anomaly 16) have ages of about 12 m.y. and about 38 m.y., respectively. […]
在深海钻探计划（Deep Sea Drilling Project）第73航次（南大西洋海域）作业期间，科研人员在519A号、520号、522B号及524号钻探井孔中钻获玄武岩枕状熔岩、熔岩流与岩床。古地磁数据表明，采自519A号井孔（对应磁异常51）与522B号井孔（对应磁异常16）的玄武岩，其形成年代分别约为12百万年与38百万年。[…]
创建时间：
2026-04-08
