cambrian造句
1. As before, patronage of the Cambrian Limited was exceptional.
2. Cambrian Coast line services were also strengthened.
3. Most of the sequence is middle Cambrian to lower Silurian age.
4. From Cambrian times onwards temperatures had been alternating between warm, moderate and glacial.
5. The small fleet of 37's used on the Cambrian is being dispersed to Petroleum and other sectors.
6. Though their long history from the early Cambrian to the present different groups of articulate brachiopods rose to prominence only to decline.
7. The age of Xia'ertai Group is Cambrian—Silurian period.
8. The hydrocarbon generation content in Lower Cambrian and Lower Silurian is up to 60 % ～80 % of total.
9. It is overlain unconformably by the post Cambrian platform cover.
10. The studies of systematic palaeontology for Cambrian trilobites from the South China, especially from the Jiangnan Slope Belt. in last six decades are reviewed.
11. Cambrian - Ordovician petroleum system is the most important system type in the northern region of Tarim basin.
12. In addition, most taxa described from the Cambrian Lagerst?tte are monotypic genera, represented by only one species.
13. Volcanic eruptive activities occurred from Cambrian to Permian , most intensely in Devonian and Carboniferous.
14. Dolostone is the main rock type of the Cambrian in this area.
15. It dates to the very early Cambrian period, and it also contains only soft - bodied forms.
16. We finished the trip on a through train, drinking white wine and eating crisps, looking at the Cambrian line scenery.
17. Is it realistic to talk of a multiplicity of body plans in the Cambrian, far exceeding that of the present day?
18. But this is not meant to belittle the magnitude of the adaptive radiations that took place in the Vendian and Cambrian periods.
19. Saur has agreed in principle to buy out its partner to produce closer ties with its other operation, Cambrian Environmental Services.
20. Increasing evidence for major changes in the environment during the Vendian and Cambrian also require further assessment.
21. Undoubted crustaceans are found in rocks as old as Cambrian, at which time free-swimming species were living happily alongside the trilobites.
22. The end of the Triassic was marked by what is probably the third largest extinction event since the Cambrian.
23. A series of discoveries and studies on ancient life forms in the 20th century demonstrated that Cambrian was a geological period full of the wildest imagination.
24. These are two evolutionary stages lithofacies palaeogeography of the Cambrian in South China.
25. Among the multi - oil - generating beds, the Cambrian and Ordovician is the best one.
26. The microfossil plants of the two formations have their own peculiarities, but have some common elements too. This shows that the deposition of the Sinian and Cambrian were c...
27. On the basis of the characteristics of stratigraphy and petrology, this study focuses on the forming environment, origin and mechanism of the phosphorite in Lower Cambrian of Kuruktag, Xinjiang.
28. This is the first example of internal - wave and internal - tide deposits found in the Cambrian.
29. Even there are different views about the Tan-Lu Fault's characters, the author think that the Tan-Lu Fault is a huge transcurrent fault which was formed after the Cambrian.
30. The basement strata and the migmatite, however, were formed much later, about cambrian period and early palaeozoic era.
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