ordovician

ordovician

1. Volcanic ash;the source material for Ordovician chamosite ooids in Sweden[J].

1地址错了，不好意思，改成Sturesson U.

2. The BS basin is a Tertiary sedimentrary basin occurred on Ordovician,Silurian Carboniferous and Triassic basement strata.

BS盆地是发育在奥陶纪、志留纪、石炭纪及三叠纪基底地层之上的第三纪沉积盆地。

3. CHEN Xu,ZHOU Zhi-yi.A study of the Ordovician global stratotype sections and points [J].Journal of Stratigraphy,2005,29 (2):165-170.

[17]陈旭,周志毅.奥陶系全球界线层型剖面和点位(GSSP)的研究[J].地层学杂志,2005,29(2):165-170.

4. SONG Qingyuan,CUI Zhilin,HUA Hong,et al.The Late Ordovician radiolaria from Fuping of Shaanxi Province,China[J].Journal of Northwest University,2000,30(1):65.

[6]宋庆原,崔智林,华洪,等.陕西富平晚奥陶世放射虫化石[J].西北大学学报,2000,30(1):65.

5. LI R H.Trace fossils and ichnofacies of Middle Ordovician Gongwusu Formation, Zhuozishan, Inner Mongolia [J].Acta Palaeontologica Sinica, 1993, 32(1): 88-104.

[9]李日辉.内蒙古桌子山地区中奥陶世公乌素组的遗迹化石及遗迹相[J].古生物学报,1993, 32(1): 88-104.

6. Lowstand bottom fan in upper Ordovician series. .

上奥陶统低水位期盆底扇体；

7. Skarnization siliceous rocks in the lower Ordovician Tieshidasi group is one of the dominant host rocks of Kendekeke cobalt-gold deposit.

上奥陶统铁石达斯群夕卡岩化硅质岩是东昆仑肯德可克钴金矿床的主要围岩之一,具有沉积结构构造。

8. The Lower Palaeozoic group mainly includes Cambrian, medial and lower Ordovician, which are marine carbonate in the district.

下古生界包括寒武系和下、中奥陶统，主要由海相碳酸盐岩构成。

9. The configuration of Ordovician of lower Palaeozoic system highly inherits that of Archaean group and both have a strong consistency.

下古生界奥陶系构造具有很强的继承性，其构造格局与太古界有很强的一致性；

10. Lower Ordovician carbonate rock is the major reservoir in Akekule area of Tarim Basin, and karst is the most important factor influencing Ordovician reservoir.

下奥陶统碳酸盐岩是阿克库勒地区主要含油气层 ,岩溶作用是影响奥陶系储层发育的最主要因素。

11. Middle Upper Ordovician is one of the main target for oil/gas exploration in Tazhong area.

中上奥陶统是塔中地区最主要的油气勘探目的层之一。

12. Genesis of the Guanyinqiao Member of Upper Ordovician Wufeng Formation in southern China:"Shallow water shelly facies" or deep-water allogenic deposition?

中国南方上奥陶统五峰组观音桥段成因讨论:是“浅水介壳相”,还是深水异地沉积?

13. The shoal and patch reef sub-facies in territorial seawater shallowing open platform facies are developed in Middle Ordovician Yijianfang Formation.

中奥陶统一间房组沉积时期为区域性的海水变浅的开阔台地浅滩夹点礁沉积。

14. To recognize the oil seepage features of fracture and vug reservoir of carbonate rocks in the Ordovician of Tahe oilfield,research and experiment on oil seepage driven by water are carried out.

为了认识塔河油田奥陶系缝洞型碳酸盐岩油藏的渗流特征,笔者针对塔河油田4区奥陶系缝洞型碳酸盐岩油藏开展渗流机理模拟试验研究。

15. Except for huge carbonate rock lithologic deposit of Ordovician, the main hydrocarbon reservoir are all belong to tectonic hydrocarbon reservoir.

主力油气藏中除了奥陶系大型碳酸盐岩岩性油藏之外，都属于构造型油气藏。

16. And the main reservoirs include Cambrian sandstones, Ordovician sandstones and Triassic sandstones.Thick marls, dolomite, anhydrite and rock salt are excellent regional seals.

主要储层包括寒武系、奥陶系和三叠系砂岩，区域良好盖层是巨厚的泥灰岩、白云岩、硬石膏和岩盐。

17. The main water source is fracture-karst water in Middle Ordovician carbonate rocks.

主要的供水水源为中奥陶统碳酸盐类岩石中的裂隙-喀斯特水。

18. Based on the geotectonic background of the southern margin of the North China platform of Middle Ordovician, the sedimentary environments and sedimentary patterns of Pingliang Formation are analyzed.

从中奥陶世华北地台南缘大地构造背景出发，分析了鄂尔多斯盆地南缘中奥陶统平凉组的沉积环境和沉积模式。

19. A systemic and integrated criteria is thus obtained for the Ordovician carbonates in the Tahe oilfield.

从而使塔河油田奥陶系储层有了一个比较系统、完善的划分标准。

20. Take the huge unconformity in the bottom of Middle Ordovician as the boundary,the sequences could be classified into Sauk and Tippecanoe suppersequence sets.

以中奥陶统底部的巨大不整合为界，可以划分出Sauk和Tippecanoe两个超层序组。

21. The Central Paleouplift described by Ordovician top surface was merely present during late Cambrian to last stage of Shihezi.

以奥陶系顶面所刻画的中央古隆起显示:中央古隆起仅在晚寒武世-石盒子期末有所显示。

22. Hydrocarbon source rocks in North Tarim Basin can be divided into three petroleum systems such as Cambrian Ordovician system,Tertiary Jurassic system and Carboniferous Permian system.

依据塔北地区烃源岩及勘探状况 ,可划分出寒武 +奥陶系、三叠 +侏罗系及石炭 +二叠系 3套源岩含油气系统 ,其中 ,前两套为已知含油气系统 ,后者为推测含油气系统。

23. The study of reservoir bitumen showed that the source is not only the carbonate in middle and late ordovician, but also the carbonate in Cambrian.

储层沥青研究表明烃源岩不仅仅只有中上奥陶系烃源岩,还有寒武系烃源岩。

24. The reservoir type is Ordovician weathering crust in the Lower Paleozoic,and the main gas layer is in the fifth member of Majiagou Formation.

储集层类型为下古生界奥陶系古风化壳型,其主力含气层为马家沟组第五段。

25. There exist different opinions about hydrocarbon generation capacity of the middle Ordovician carbonatite on the south slope of Huimin sag.

关于惠民凹陷南坡中奥陶统海相海相碳酸盐岩的生烃能力,前人有不同的认识。

26. The salts are continental source and come from the Cambrian and Ordovician systems of the surrounding uplifts.

其盐源主要是陆源，由周围凸起的寒武、奥陶系提供。

27. This character differs from other Ordovician source rocks elsewhere in the world such as Kukersite Kerogen in Estonia and Guttenburgen type source rocks in USA.

其组成主要有底栖宏观藻类、线叶植物、隐孢子、疑源类和几丁虫等。

28. The development of an atypical Hirnantia-brachiopod Fauna and the onset of glaciation in the late Ordovician of Gondwana / Owen E. Sutcliffe ... [et al.].

冈瓦纳古陆晚奥陶统一个典型的赫南特贝属-腕足动物群的发育和冰川作用的开始.

29. Major hydrocarbon source rocks lies in the Silurian and down ordovician.

加里东期-海西早期为主要油气充注期,喜山期属于早期油藏晚期裂解。

30. In the Luquan-Wuding region of the north domain, the Ordovician is complete, and is unconformably overlain by the Devonian.

北侧的禄劝-武定一带，下古生界的沈积序列与之相反，有完整的奥陶纪沈积组合，上于泥盆系假整合，其间无志留纪的沈积。

31. The lithology of karst is pure carbonatite at geological age of intermediate Cambrian and intermediate Ordovician.

北方岩溶和岩溶水的开发利用,见于碑刻者亦可追溯至1000年前。

32. The tectonic framework of North Qilian in Early Ordovician should be similar to that of the Bafin Bay and the Queen Elizabeth Islands.

北祁连早奥陶世海域与现在加拿大北部巴芬湾及伊丽莎白女王群岛的构造格局相似。

33. In Northern China type coal field,Ordovician Karst fissured aquifer has hydrodynamic relation to the aquifer in coalbearing series by the vertical conductor(VC).

华北型煤田下伏的奥灰岩溶裂隙含水层，通过垂直导水构造与煤系含水层发生水力联系。

34. DOES "LILLIPUT EFFECT" OF BRACHIOPODS EXIST IN SOUTH CHINA AFTER THE LATE ORDOVICIAN MASS EXTINCTION?

华南奥陶纪末大灭绝后腕足动物是否存在“小型化效应”?

35. Since hydrology-geological conditions are quite complex in the Danhou Mine,and Ordovician Limestone Water poses the serious threat to the mine safety in production process.

单侯矿井水文地质条件比较复杂,奥灰水对矿井安全生产构成严重威胁。

36. Five past extinctions: Some event near end of the Ordovician period, 440m years ago, wiped out almost all corals and fish, and 25 % of all families of creatures.

历史上曾发生过的5次物种大灭绝：4．4亿年前奥陶纪将要结束时的一些事件使几乎所有的珊瑚和鱼类以及25%的物种灭绝；

37. The Lazhuglung Formation overlies unconformably the Ordovician and Silurian strata.

发现了几个重要的不整合界面；

38. The aquifer occurs in the thin-bedded limestone of the firstMember of Fengfeng Formation and the third Member of Upper Majiagou Formation of Mid-dle Ordovician and the burial depth of water level is 84.49 m.

取水层为中奥陶统峰峰组一段及上马家沟组三段薄层灰岩，水位埋深84.49m。

39. Compared to poststack time migration, prestack time migration results in clear images of fractures and cavities in the Ordovician carbonate rocks, and definite unconformities at top of the Ordovician.

叠前时间偏移与叠后时间偏移结果相比，具有丰富的奥陶系碳酸盐岩裂缝－溶孔内幕，清晰的奥陶系顶不整合面。

40. Paleokarst cave-type reservoir is one of the most important reservoirs in Ordovician in Tahe Oil Field,Tarim basin.

古岩溶洞穴型碳酸盐岩储集层是塔河油田奥陶系油藏重要的储集层类型之一。

41. The Palaeozoic has been broken down into six smaller units of geological time called periods. Cambrian is the oldest period of the Palaeozoic followed successively by Ordovician, Silurian, Devonian, Carboniferous and Permian Periods.

古生代可划分成6个小的叫做纪的时间单位，寒武纪是古生代中最老的一个纪，然后依次为奥陶纪、志留纪、泥盆纪、石炭纪和二叠纪。

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

古生物学资料表明 ,虽然苔藓动物的大多数类群在奥陶纪已经分化出来 ,但它在寒武纪却缺乏任何化石记录。

43. It is concluded that in the Tazhong area, the synsedimentary structures in the Middle and Upper Ordovician had an important influence on the formation of these platform marginal facies.

可以得出这样的结论：这种分布状况代表了塔中地区构造对沈积相带的控制作用。

44. Two periods of high-pressure metamorphic belts, which have been dated 335.5 Ma and 440-460 Ma seperately by isotopic methods, have been discovered in the mid Cambrian and low-middle Ordovician strata.

同位素年龄分别为335.5 Ma和440-460 Ma的两期高压变质带赋存于中寒武统和下中奥陶统中。

45. And Ordovician and Cambrian, Quaternary of the people who hailed from a fight.

和奥陶纪、寒武纪、第四纪的生灵们打个招呼。

46. Late Ordovician organic reefs composed of cyanophyta and calcareous sponge were firstly discovered in northern Tarim basin.

在塔里木盆地北部首次发现了主要由蓝绿藻和钙质海绵组成的晚奥陶世生物礁。

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

在奥陶纪、志留纪、泥盆纪、石炭纪，相继出现低等鱼类、古两栖类和古爬行类动物。

48. These 22 points are divided into two groups, which,represent respectiyely, two graptolite types in the early ordovician, namely, the South China type and the Central China type.

在平面图中,22个点可划分为2个点群,分别代表中国早奥陶世的两大笔石动物群,即华南型笔石动物群和华中型笔石动物群。

49. Our results suggest that a single, common refugium for the end Ordovician brachiopods probably did not exist.

在灾变时期，典型、常见分子是识别一个动物群的标志，而稀有分子更有助于复活效应的研究。

50. On vertical, coal accumulated in the Perm-Carboniferous and Jurassic, oil and uranium deposited mainly in the Jurassic, and gas reservoir in the Ordovician and Permian.

在纵向上,煤聚积于石炭--二叠系和侏罗系,石油和铀矿主要分布在侏罗系,天然气则储集在奥陶系和二叠系。

51. The lie concealed carbonate cranny Karst water-bearing rock group which mainly are Ordovician distributing outer of the the Archaean era limestone aquifer are the powerful supply of that.

在该含水层外围,以奥陶系为主的隐伏型碳酸盐类裂隙岩溶含水岩组,是其强大的补给来源,这对矿井安全威胁较大。

52. Abundant Early Ordovician fossils are identified in the western part of Sanchakou.

在龙木错北新发现志留纪地层；

53. County geological formation exposed by geological era, there are 7 lines (JI), the Sinian, Cambrian, Ordovician, Silurian, Cretaceous, Tertiary, Quaternary.

地质县境地层出露按地质年代，有7个系（纪），即震旦系、寒武系、奥陶系、志留系、白垩系、第三系、第四系。

54. But the geological and geochemical analyses showed that there existed a set of high quality marine source rock in the platform slope facies of Middle Ordovician Pingliang Formation.

地质和地球化学分析证实，盆地西、南缘台缘深水斜坡相的中奥陶统平凉组存在优质海相烃源岩，其形成的油气最早富集在中央古隆起及其周围；

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

塔中低凸起奥陶纪油气成藏体系的源岩为寒武系及下奥陶统烃源岩 ;

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.

塔中围斜区主要分布有上泥盆统东河砂岩、志留系碎屑岩储层,以及中、下奥陶统碳酸盐岩储层。

57. Carbonate mud-mounds of Middle-Late Ordovician age in Tazhong area grew and developed on an old carbonate platform when it was progressively sinking b elow the sea level.

塔中地区中晚奥陶世灰泥丘是在古老碳酸盐岩台地逐渐沉没过程中生长发育的。

58. The maturity of the Ordovician crude oil in Tahe oil district is high, and is strongly affected by biodegradation.

塔河油区奥陶系原油的成熟度较高,且受生物严重降解。

59. The formation of karst?cavern type carbonate oil reservoirs in lower Ordovician of 4 area in Tahe oilfield is related to weathering?denudation of fossil weathering crust.

塔河油田 4区下奥陶统碳酸盐岩岩溶缝洞型油藏的形成与古风化壳的风化剥蚀有关。

60. The Ordovician reservoir in Tahe Oilfield experienced many tectonic reconstructions and was characterized by multiple hydrocarbon charging.

塔河油田奥陶系储层经历过多次构造运动的改造,具有多期油气充注特征。

61. The principal compositions of soluble materials of the Ordovician oil field water in Tahe oilfield are consistent with sea water, suggesting its marine origin.

塔河油田奥陶系油田水的可溶物质主要成分与海水一致,表明其主要为海相成因。

62. Cave and cleft in karst limestone are the main oil-bearing space of Ordovician oil poor in Tahe oil field,the develop level of ancient karst controlled the formation oil pool in Ordovician reservoir.

塔河油田奥陶系油藏储集空间以碳酸盐岩岩溶孔洞缝为主,古岩溶发育程度对奥陶系油气成藏有重要的控制作用。

63. The major types of reservoir in the Tahe Oilfield Ordovician is fractured-vuggy reservoirs,but porosity on cores can form well reservoirs and can gain flow of hot gas in industry after acid-fracture.

塔河油田奥陶系碳酸盐岩储层主要为一套岩溶缝洞型储层,但在岩芯上可见孔隙发育层段,经酸化压裂可获得工业油气流。

64. The Ordovician carbonatite container rock of Tahe field which buried deeply has the charac-teristics of low permeability,low ground temperature and high anisotropic.

塔河油田奥陶系碳酸盐岩储层具有埋藏深、地温高、低渗透,非均质性强的特点。

65. Ordovician strata in Tahe oilfield belong to carbonate reservoir with well developed fractures and dissolution pores.

塔河油田奥陶系碳酸盐岩储集层裂缝普遍较发育，同时存在大量溶蚀孔隙。

66. The main reservoir types in Ordovician carbonate formation in Tahe Oilfield are dissolution fractures and caves.

塔河油田奥陶系碳酸盐岩地层的主要储集空间为溶蚀缝、洞。

67. The Tahe reservoir Ordovician carbonate rock belongs to the type reservoir that this is special.

塔河油田奥陶系碳酸盐岩属于该特殊类型油藏。

68. The Ordovician graptolite bearing beds have been found from the core of Tadong 2 borehole in the northeastern Tarim Basin, Xinjiang.

塔里木盆地东部塔东2井岩心中新发现了一些奥陶系笔石化石,这些笔石标本呈炭质薄膜状,保存在该井4550。

69. The lowering of ()~(87)Sr/()~(86)Sr ratio of the Upper Ordovician marine carbonate may have a relation to the influence of the mantle source fluid.

塔里木盆地塔中地区上奥陶统部分海相碳酸盐87Sr/86Sr比值的降低可能与深部流体的影响有关;

70. The margin of the carbonate platform of the Middle and Upper Ordovician, Tazhong area, Tarim Basin is characterized by a well-developed rimmed depositional system which consists of various types of grain banks and organic reefs.

塔里木盆地塔中地区中上奥陶统碳酸盐岩台地边缘以发育良好的多种粒屑滩和生物礁组成的镶边沉积体系为特征.

71. The Ordovician of tazhong area in talimu basin belongs to carbonate reservoir which delvelops a lot of fractures and micro-fractures.

塔里木盆地塔中地区奥陶系属于碳酸盐储集层发育有大量的裂缝和微裂缝,有着良好的勘探前景。

72. The ordovician is outcropped in peripheral of Tarim basin and was encountered in drilling of main structure of the cover area.

塔里木盆地奥陶系出露于盆地周缘并在覆盖区主要构造单元钻遇。覆盖区奥陶系包括台地相、斜坡相和槽盆相三大类型；

73. The carbonate rocks of Ordovician in Lunnan area are generally not reservoirs,but the deuterogenous karstificated holes,pores and seams can serve as valid reservoirs.

塔里木盆地轮南地区奥陶系碳酸盐岩基岩总体为非储层,有效储集体为由岩溶作用形成的次生孔、洞、缝型储集体。

74. The Ordovician Winnipeg may have been 200 my old or older during its main oil expulsion phase.

奥陶系Winnipeg组可能已处于主要石油排出期长达200百万年或更早。

75. The gold mine origins from the gold enriched volcanic and sedimentary rock of Ordovician,Carbonic and Dias.

奥陶系、石炭系和二叠系富金的火山-沉积岩为金矿的矿源层;

76. The Ordovician reservoir may not be distributed as a whole-block, but distributed as different-sized fissure and cave units in overlapped spaces.

奥陶系油藏可能不是整体连片分布，而是不同规模缝洞单元的空间叠合分布。

77. The fluctuant form of top Ordovician in Benxi, early and middle Triassic determined the later reformation of reservoir.Its structure presented a pattern of "high in the middle, low in east-west".

奥陶系顶面在本溪期-早中三叠世的起伏形态决定了岩溶储层的后期改造，其在沉积演化过程中，始终处于中部高、东西低的构造格局。

78. Park, also called Ordovician Stone Forest, covers four small towns of Yidu: Wangjiafan, Panjiawan, Niejiahe and Wuyanquan.

奥陶纪公园，又名奥陶纪石林，遍布于宜都的王家畈，潘家湾，聂家河与五眼泉四个小镇。

79. Major hydrocarbon source rocks are in the Cambrian and Ordovician.

寒武-奥陶系烃源岩是该区主力烃源岩;

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

寒武系、奥陶系地层主要为灰岩和白云岩,其间赋存有较丰富的岩溶裂隙水。