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1979年“维玛号”调查船在中国南海调查期间获得的磁异常资料,使我们得以对以前发现的南海盆地的海底扩张模式进行了修正。盆地东部的5D—11号东两向磁异常条带表明,海底扩张的年代为中渐新世到早中新世(距今32
The magnetic anomaly data obtained by the 1979 Vima survey vessel during its survey in the South China Sea allowed us to amend the previously discovered pattern of ocean floor expansion in the South China Sea basin. The eastern two-direction magnetic anomaly band 5D-11 in the eastern part of the basin shows that the age of seafloor expansion is from Miocene to Early Miocene (32