Annotated record of the detailed examination of Mn deposits from DSDP Leg 76 ...
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The continental edge of eastern North America is the passive margin with the oldest geological history available in the modern oceans. Rifting and seafloor spreading between the...
北美东部的大陆边缘是现代海洋中地质历史最为悠久的被动大陆边缘(passive margin)。板块裂谷作用与海底扩张在……之间



