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.

31. The Tazhong paleo-uplift is a multiple oil-gas accumulation play, and medium-large scale reservoirs have been found in the Carboniferous, Silurian, Ordovician and Cambrian Systems.

32. The soluble rocks in this area are the carbonate rock constructions of the Sinian, the Cambrian and the Ordovician period.

33. The Bed G bauxite of Shanxi massif, a paleoresiduum bauxite underlying Bangou Formation of Upper Carboniferous, occurs on the fossil erosion surface of Middle Ordovician of Upper Cambrian.

34. Hydrocarbon in the Ordovician petroleum accumulation system originated from the Cambrian and Lower Ordovician source rocks.

35. Kuanchuanpu biota is the Early Cambrian microfossil which is characterized as an early animal and plant fossil in the southern region of Shaanxi province.

36. Bryozoa was quite diversified in the Ordovician, but lacked fossil records in the Cambrian.

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37. Cambrian stratigraphy well developed in Luxi ( west of Shandong ), and their sedimentary records possesses cyclicity.

38. Asphalt-bearing barite nodules were discovered in the marine deposit of the bottom of Lower Cambrian formation in the western margin of Tarim Basin located in the Xiorbrag area, Arksu.

39. The Cambrian - Ordovician strata in Luxi Block are very continuous and well exposed.

40. To the beginning of Cambrian period, there are a large number of small shelly animals, this indicates a new phase of development of biological kingdom.

41. Therefore the deficiency of pre-Cambrian fossil and the sudden emergence of Cambrian trilobite are like a double edged sword posing threat for the very foundation of Darwin evolutionism.

42. These new materials provide new evidence for the origin, evolution and the functional evolution of the metazoan during the early stage of the Cambrian explosion.

43. This event is significant for solving basic problems concerning the Cambrian biogeographic provinces, the geotectonic nature of the northern margin of the North China platform and mineral prospecting.

44. The Cambrian phosphoric ore is mainly composed of calcic phosphate, carbonate, silica and silicate minerals.

45. Heand colleagues in Germany and the US studied a database of fossilorganisms that lived on the sea floor from the Cambrian period, about500m years ago.

46. MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.

47. 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 continuous.

48. The allochthon consists of the Presinian, Sinian and Cambrian system. The autochthon comprises the Devonian and Carboniferous system.

49. Mount Taishan is the representative place for the study of the Ante Cambrian geology in China.

50. It has an important significance for researching the evolution of the Early Metabiota of Cambrian.

51. Darwin argued that the question might be answered in future by the discovery of fossils in rocks that formed before the Cambrian period, in Precambrian times.

52. The last event marks the beginning of the Cambrian period.

53. The Pre - cambrian alumino - siliceous slate is the host rock of antimony deposit inHunan.

54. In Britain, Cambrian rocks are found in Wales and North - West Scotland.

55. Cambrian The earliest period of the Paleozoic era , about 590 - 510 million years ago.

56. Kudi ophiolite suite is composed of ultramafic rocks, gabbro, mantle source granitoid, basic volcanic rocks and flysch. It was formed during Sinian and Cambrian.

57. A new phylogenetic analysis suggests that this rare early Cambrian anthozoan be among the primitive crown cnidarians.

58. During the Cambrian to Ordovinian period, there was a very magnificent continental slope, which is band-shaped distributing along the line Shanghai, Wuxi, southern Anhui.

59. It holds also one of the most complete successions of the Cambrian strata known in China.

60. Abstract: The Gongxi barite deposit hosts in the Niutitang formation of the lower Cambrian.

61. During the Cambrian period, 500 million years ago, worm-like creatures were evolving into fish-like creatures.

62. It is based on the present writers' achievements of study and mapping of quantitative lithofacies palaeogeography of the Cambrian and Ordovician in North China, South China and Northwest China.

63. It consists of Archaeozoic and Paleozoic strata in which Cambrian and Ordovician are dominated by limestone. The tectonism and weathering make it become a good reservoir.

64. To the question why we do not find rich fossiliferous deposits belonging to these assumed earliest periods prior to the Cambrian system, I can give no satisfactory answer.

65. The discovery of the tempestites is of great significance to restructure the palaeogeography of Middle-Late Cambrian in Huangshi, eastern Hubei Province.

66. Cambro-Ordovician mudstones, upper Cambrian and Carboniferous gypsum rocks and the relatively tight lithologies have blocked the vertical migration of formation fluids in Tarim basin.

67. Thus, the "Cambrian Explosion" is a fairly unheard-of term outside the scientific community.

68. Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.

69. Dengta marine built gypsum deposits occurred in Mantou Jianchang Formations, Lower Cambrian.

70. The area we debated is in infraneritic environment at the Meishucunian Age, early Cambrian Period, when deposited a suit of carbonate and phosphate.

71. The Cambrian and Ordovician are important exploration target strata in Leshan - Longnvsi paleo - uplift area.

72. Sedimentary type deposits usually formed during late Sinian to Cambrian period.

73. Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.

74. There is abundant karst fissure water in the limestone and dolomite of Cambrian and Ordovician.

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75. The main mountain regions are the Cornish Heights, the Cambrian in Wales, the Cambrian Mountains (in Lake District) and the Pennies.

76. Paoma Pb - Zn deposit cataclastic zone of Lower Cambrian Maidiping dolomite. There are two ore horizons.

77. The Gongxi barite deposit hosts in the Niutitang formation of the lower Cambrian.

78. For almost a century, geologists studied more and more parts of the world and everywhere the first traces of fossilized creatures continued to crop up at the beginning of the Cambrian period.

79. Middle-Upper Cambrian dolomites in Shimen, Hunan Province, are mainly composed of anhedral micritic dolomite, euhedral and subhedral granular dolomites, grain dolomite.

80. The many achievements in the study on. the fossils (in especial megafossils) of late Precambrian - Cambrian in China are outlined.