Calcareous nannofossil stratigraphy and datums of sediments from ODP Leg 198 ...
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During Ocean Drilling Program Leg 198, Sites 1207, 1208, 1212, 1213, and 1214 were drilled on Shatsky Rise, coring Lower to mid-Cretaceous successions of nannofossil chalk,...
在大洋钻探计划（Ocean Drilling Program）第198航次期间，科研人员于Shatsky海隆（Shatsky Rise）钻取了1207、1208、1212、1213及1214站位的岩心，获取了早白垩世至中白垩世的钙质超微化石白垩（nannofossil chalk）地层序列……
