1) trace fossils 痕迹化石 1. However, evidence of marginal marinetrace fossilsfrom Dongpu Depression, the southmost of the Bohai rifted basin, shows that marine water incursion might have happened several times and a Paleogene seaway might have been existed correspondingly during the highstand period...
trace fossils 地质历史时期的生物遗留在沉积物表面或沉积物内部的各种生命活动的形迹构造形成的化石。不包括由生物体变成的实体化石,更不包括各种自然营力(物理的和化学的)所形成的无机沉积构造。从沉积学角度来看,也可以说遗迹化石是各种生物成因的沉积构造,如各种生物扰动、足迹、移迹、潜穴、粪化石等;以及生物侵蚀...
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前者可归入Seilacher(1967)的Skolithos痕迹相,代表高能滨岸环境;后者可归入Cruziana痕迹相,代表正常浅海环境。6) trace photography 痕迹照相补充资料:岸岸 1.每一处水岸。 2.严峻苛细。 3.高傲。 说明:补充资料仅用于学习参考,请勿用于其它任何用途。参考...
In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are visible as depressed or elevated areas, ridges or grooves, smooth or rough patches on ...
(1) explores the metaphorical possibilities of the observation that "soft parts" of animals largely leave no direct trace in the fossil record; (2) argues that printed playtexts themselves have some of the qualities of fossils—detailed and well-preserved ones, but fossils nonetheless; and (3)...
Five-month-old Sabrina Aisenberg had just vanished from her crib without a trace in the dead of night. Marlene said she believed someone had stolen Sabrina to keep as their own — or to sell. However, something about the Aisenbergs seemed not quite right to both the public and ...
By combining neoichnological research with investigation of recently deposited trace fossils, cases where direct trophic connections or other relationships between the trace-makers are identified, a clearer understanding of when and where overlapping traces represent genuine biotic interactions can be ...
It’s not easy to prove this because feathers are so weak that they usually rot (腐烂) away without a trace (踪迹). 8 , the fossils showed a lot of details (细节). For the study of the relationship between birds and dinosaurs, these details are very 9 . Yet still nobody knows 10...
DISCOVERY OF JURASSIC LACUSTRINE TRACE FOSSILS AND THEIR PALEOENVIRONMENTAL SIGNIFICANCE FROM TURPAN HAMI BASIN,XINJIANG 新疆吐哈盆地侏罗纪湖相动物遗迹化石的发现及古环境意义 17. I prefer some historical sites, such as very ancient remains. 我想看些历史古迹,像非常古老的遗迹。