1. Near the end of Devonian times, thirty percent of all animal life vanished.

2. In the Upper Devonian, club mosses and horsetails grew to great heights.

3. In the meantime the Devonian temperature increased and desert areas expanded.

4. Complexities within the Devonian have similarly been ignored for lack of evidence.

5. Gold - bearing beds belong to the Devonian System.

6. The Devonian Period or its system of deposits.

7. The stratigraphy is shown as volcanic formations of Devonian and volcanic-sedimentary formations of Lower Carboniferous.

8. Devonian and Carboniferous Systems are target horizons and Guwanliang-Tongtianping-Huanggeda fault is the target structure for further Au exploration in the district.

9. Renewed work on the first known Devonian tetrapod, Ichthyostega, is showing that it, too, diverged from the norm— contrary to earlier preconceptions .

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10. During the Devonian period, insects began to exploit terrestrial environments. Flight, the exoskeleton, and metamorphosis are probably keys to insect success.

11. The Bafangshan polymetallic deposit occurs in Middle Devonian Fengtai apart pull basin.

12. The Late Paleozoic volcanic rocks (from Early Devonian to Early Permian) were widely distributed in the south margin of the Altai Mountains.

13. The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.

14. The Group of Devonian project has Obtained radiolaria from 20 horizons of Volcaniclastic rocks in the Junggar Basin, Xinjiang.

15. Blooming of Bacteria and Algae: Possible Killer of Devonian Frasnian - Famennian Mass Extinction?

16. During Devonian Period, the old sea basin of Qinling range was a continental sea, which was situated between Northern China and Yangtz old land.

17. The Silurian and Devonian regional palaeogeography is controlled by the irregular orogenic process of the Northen Qilian from the Caledonian to Early Hercynian.

18. Cambro-Ordovician accumulation may well have been substantially greater, with corresponding erosion in mid-Ordovician or Devonian times.

19. These ferns began to slowly change shape and structure during the Devonian, and some became tall and tree-like.

20. On that scale the Hangenberg event, an extinction 359 million years ago at the end of the Devonian period, was considered a minor blip. Not any more.

21. With meso-high porosity and permeability, the Donghe sandstone member of Upper Devonian Donghetang Formation is the most important pay bed.

22. Huachanggou gold deposit locates in Guozhen Formation of Sanhekou Group of Devonian Mianxian - Lueyang suture zone.

23. Representative elements of order Albaillellaria firstly appear in Silurian, which prosperous in Late Devonian, and extinction in end-Permian, is the characteristic group of Late Paleozoic Radiolaria.

24. The metallogenic ages are the lower and upper Proterozoic Subera, late and earlier Palaeozoic Era, Mesozoic Era, with Devonian Period as an important metallogenic era.

25. Sq 1 , Sq 4, Sq 10 are three favorableexploratory sequence of the Silurian and Devonian in Tarim basin.

26. The third period of the Paleozoic era, the Silurian follows the Ordovician period and precedes the Devonian.

27. The slope mudflow around the seat of Ningshaan County on a slope of Middle Devonian strata.

28. Volcanic eruptive activities occurred from Cambrian to Permian , most intensely in Devonian and Carboniferous.

29. Thus, this area shOuld belong to North China Region(otprovince )of the Old World Realm in respoct to reginalism of brachiopod zoogeography during lateEaly Devonian time.

30. There are relatively more tetrahedrite group minerals in gold deposits occurring in the interstratified fractured belt of Middle Devonian carbonate rock series in western Shimian of Sichuan Province.

31. The discovery of the Silurian - Devonian oil and gas reservoir reveals a good exploration prospect.

32. The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.

33. The Xinjiang area was characterized by tropical-subtropical climate in the Devonian, and obviously climatic zonation in the Carboniferous due to the global climatic change.

34. The sedimentary environments of the Devonian carbonate formations in southern Hunan, China can be divided into four types: platform, open marine shelf, bioherm, and platformbasin facies.

35. A global correlation of the graptolitic strata of this interval is preliminarily proposed, and the biogeographic distribution of Early Devonian graptolite species is discussed in the present paper.

36. In the Ordovician, Silurian Period, the Devonian, Carboniferous, the advent of low amphibians and ancient ancient reptiles.

37. Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.

38. On the basis of current information, the Devonian porifera bioherm is the first discovery, it not only richens the type of bioherm in Guangxi, but also ...

39. The sedimentary basin of Devonian in Southern Guizhou ,(http:///devonian.html) South China is euxinic.

40. Carboniferous:Of, belonging to, or denoting a geologic division of the Paleozoic Era following the Devonian and preceding the Permian.

41. Accessorial types such as fern and its spore, gymnosperm and its pollen appeared from Devonian to Jurassic.

42. The iron bearing formations mainly occur in the Middle and, especially, Upper Devonian strata.

43. The Devonian and Carboniferous strata of Novaya Zemlya can be generally divided into the Barents and Kara facies zones.

44. Its materials might come from both magmas and host rocks, indicating that it was formed when the ichor (or hydrothermal solution) replaced the Devonian siliceous shale and so on.

45. According to the conodont and fusulinid fossils, their ages are determined to be Devonian -Permian.

46. In the melange zone there occur Devonian island arc-type intermediate and intermediate-acid volcanic rocks, which conformably overlie siliceous pelite.

47. It was found that there exit paleo- reservoir in Devonian stratum, Tianjingshan structure, in course of investigation of oil - sand resource in the northwest part of Sichuan Basin.

48. The hydrofracturing breccia is formed by deep rich- sodic and gold-hosted fluid hydrofracturing in a set of Devonian system hot-water sedimentary rich- sodic rocks.

49. The characteristic of Devonian strata and mineral resources in Guangxi are briefly introduced.

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

51. This area was in an arc and rear - arc basin on convergent plates in the Middle Devonian.

52. The 'layer-reef' in South China is similar to the 'low reef' of Devonian period in Canada and the 'mound reef' is similar to the 'high reef' of Devonian period in Canada and Devonian reefs in Germany.

53. Near the end of the Devonian period, 370m years ago, many species of fish and 70% of marine invertebrates perished. The reason is unclear.

54. The Late Devonian - Middle Jurassic depositional systems in Fujian Province arereconstructed in the paper.

55. Based on sequence stratigraphy work for the outcrops in Tarim Basin, The author sets up the Sealevel changes curve of sinian period to Devonian period.

56. The clastic rock reservoirs of Upper Devonian and Silurian and the carbonate reservoirs of Middle and Lower Ordovician are mainly distributed in the peri-cline area around central Tarim basin.

57. Comprehensive researches have concluded that the Heishan ophiolite was formed in Nanhua Ordovician period and its structural location in Silurian period early Middle Devonian epoch.

58. The Ellsworth basin lay between the epicontinental basin and the marginal magmatic arc during the Devonian.

59. During the Devonian period, northward of Longmen Mountain structural belt is located in northwest border of Up Yangtzee Ancient Land.

60. The clastic rock reservoirs of Upper Devonian and Silurian and the carbonate reservoirs of Middle and Lower Ordovician are mainly distributed in the pen- dine area around central Tarim basin.

61. This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province.

62. Laminated siliceous rocks in country rocks might represent the nature of the Devonian hydrothermal sedimentary rocks.

63. Emergence stratums are of Sinian , Devonian, Permian, Trias and intrusive Granite dike and coarse - grained granite dike./devonian.html

64. The deposit is located in clastic-carbonate sedimentary formation of neritic facies, the Middle Devonian Xihanshui Group Anjiacha Formation.

65. The Shuangwang gold-bearing albitite zone, which is composed of stratabound albitite , albitite breccia occurred conformably in the Xinghongpu Group, Devonian silt-slate.

66. The Ordovician and Devonian rocks did not yield reliable character remanence due to either too weak magnetization or dispersal remanent directions.

67. The favourable ore-bearing facies of Devonian features subdivision of areas in the east-west direction and subdivision of belts in north-south direction.

68. Plants of Gymnosperm had been through a long historical evolution on earth, fossil records of which originated from the late Devonian period.

69. The contact relationship between Silurian and Devonian is parallel unconformity.

70. The radiolaria fossils and submarine basalts which are first discovered afford us new material to discuss about the stratigraphical time and tectonic background of this area in Devonian period.