标志化石
- 网络Marker fossil;guide fossil;Index fossil
标志化石
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某些特殊分子可能成为潜在的标志化石。
Some particular genera and species can be consided as latent guide fossil .
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要正确对比地层必须把化石组合分解成标志化石带,结合古生态、沉积环境,尤其要把标志化石带与电测、岩性标准层、地震界面的追索,综合起来进行研究。
The fossil zones separated out from the fossil assemblage , paleoecology and sedimentary environment should be synthetically studied , and the seismic reflection boundary should be followed , so that a stratigraphic correlation may be improved .
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综述了当今人类社会严重的资源、能源与环境危机标志着后化石经济时代的来临;
The post-petroleum epoch is approaching as indicated by resources , energy and environmental crises .
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生物标志物以分子化石的形式记录了沟鞭藻的起源及演化历史。
Biomarker , as molecular fossil , recorded the origin and evolutionary history of dinoflagellate .