... stratigraphic range 地层延续时限 stratigraphic record 地层记录 stratigraphic reef 层礁 ...
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高分辨率的等时地层对比的关键是识别地层记录中代表多级次的基准面破回的多级次的地层旋回。
The key of high resolution isochronostratigraphic correlation is to identify multi-order stratigraphic cycles that represent multi-order base-level cycles in stratigraphic record.
虽然目前只发现了为数很少的证据，但是在地层记录里发现撞击证据已经形成小天体撞击研究的一个重要领域。
Though a limited number of stratigraphic evidences discovered, the discovery of the evidences for impacts in the strati-graphic record has developed an important research area of NEO impacts.
从轮藻角度讲，中国当阳跑马岗组的白垩-古近系过渡段的生物地层记录是世界上迄今所知的最连续和最丰富的。
From the point of view of charophytes, the biostratigraphic records from the Paomagang Formation in Dangyang (China) are most continuous and abundant known so far in the world.
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