1) The Carboniferous mineralisation shows no such relationship.

2) The ones now dead, and carboniferous fruit themselves.

3) The layer upon layer of carboniferous fruit.

4) Before this, in a period called the Carboniferous,[http:///carboniferous.html] the whole region was under the sea.

5) Fermanagh the Carboniferous sediments thin northwards against the land mass from which they were derived.

6) There are numerous Carboniferous crinoids not unlike this one, which require expert knowledge in their discrimination.

7) His Survey work dealt with Carboniferous fossils initially, including a monograph on bryozoa.

8) Wilson has worked mainly on Carboniferous faunas collected from surface exposures and boreholes.

9) So the early Carboniferous was again a time of very widespread carbonate deposition.

10) Carboniferous sediments have been affected by low-amplitude Hercynian folding, Mesozoic rift faulting and Cretaceous inversion-related compression and fault re-activation.

11) The similarity between the Carboniferous maturity-depth gradients for these two areas is therefore not surprising.

12) An angular unconformity recognised in the Upper Carboniferous on the flanks of the London-Brabant Massif was of particular interest in this respect.

13) WHERE HAINAN ISLAND IS IN CARBONIFEROUS - PERMIAN PERIOD?

14) The Permo Carboniferous is the main coal bearing strata in Henan Province.

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

16) The climatic zone of Late Carboniferous roughly corresponded with that of Early Carboniferous one.

17) The palaeostructure high part of Carboniferous in Indosinian epoch is favourable to the development of burial corrasion pores.

18) Most coal fields began life as swamps about 300 million years ago in the Carboniferous period.

19) But again they are an ancient group with ancestors back in the Carboniferous forest, a melting pot for plant evolution.

20) The commonest pre-Permian formation encountered in boreholes in sheet S is the Carboniferous Limestone.

21) Far below ground in the anticline were the Millstone Grits and even deeper were the Carboniferous Limestones.

22) Uplift of this magnitude could have occurred during Hercynian times with the stripping of considerable amounts of Carboniferous overburden.

23) If later generation was significant, the cavernous conditions in parts of the Carboniferous Limestone could provide remarkable reservoirs.

24) We do know that most coal fields began life as swamps about 300 million years ago in the Carboniferous period.

25) When computing uplift from a Marie-type graph such situations would give rise to an overestimate of uplift for the Carboniferous.

26) Hydraulic Fracturing Hydraulic fracturing is a method frequently used in Carboniferous wells to improve productivity.

27) Long spines on the exterior of the shell were developed especially during the Carboniferous.

28) He relied on outside specialists for identification work but found time to produce his famous monograph on Carboniferous crustacea.

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

30) Field surveys and seismic exploration show that the lowest regional angular unconformity older than the Carboniferous developed between the Cretaceous and the pre-Cretaceous strata.

31) The characteristics mentioned above are controlled by the development and evolution of the northern Xinjiang Hercynian geosyncline region of Late Carboniferous age.

32) Bauxite of Sanmenxia area in Henan province is and occurs in Benxi Formation of Middle Carboniferous.

33) The Characteristics of Carboniferous strata and milleral resources in Guangxi were briefly in troducted.

34) The Carboniferous natural gas in eastern Sichuan is of cracked gas which had been accumulated, originally as oil[http:///carboniferous.html], in Liangping-Changshou palaeohigh belt that was formed by Indosinian movement.

35) The gold mineralization is controlled by lower carboniferous volcanic and pyroclastic sedimentary rocks, regional faults and secondary structure.

36) Along the south and north flanks of the Wudang fault apparent changes are observed in the distribution and depositional characters of the Jiujialu, Xiangbai and Jiusi formations (Lower Carboniferous).

37) The Middle Carboniferous period was a main age that the Yilian-habirga crest zone was put together with the Wenquan-Sailimu and the Boluokenu tectonic belts.

38) Much of the petroleum we use today began some 200 million years ago in the Carboniferous Period.

39) The lower part of the Upper Carboniferous Series is called Sixiakou Formation whose definition differ.

40) The Southwest Fujian Depression is on an important development stage in Carboniferous period.

41) The evolution of the lithofacies palaeogeography of the Carboniferous in South China was characterized with succession, development and stage.

42) The research shows that the Lower Carboniferous source rock is the dominating contributor to the natural gas, and the Permian source rock contribution is subordinate.

43) The hills are largely carboniferous limestone, which is quarried at several sites.

44) In order to increase drilling success ratio, the thickness and reservoir of Carboniferous were predicted through model forward by use of the seismic data in combination with synthetic seismogram.

45) This eventually resulted in the oxygen-rich atmosphere of the Carboniferous period around 340 to 280 million years ago.

46) The formation of Dachigan steep structural zone not only generates many fissures in Upper Carboniferous, but also makes the porosity of Upper Carboniferous higher in the core of these anticlines.

47) There are well source - reservoir - cap rock assemblages and suitable petroleum pool - forming conditions in Carboniferous strata.

48) According to space distribution of the sedimentary facies, Longhuo ancient platform was an isolated one,() surrounded with troughs in the Carboniferous period.

49) According to conodont , coral and foraminifera fossils discovered, the geological age of this sequence of sedimentary strata is Early Carboniferous.

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

51) Through the work of 1/50000 regional geological survey and the research of the sedimentary facies in the area, the author systematically sets up sedimentary sequence of Carboniferous period stratum.

52) Upper Jurassic red bed, covering directly on coal-measure strata of Permian and Carboniferous System in Tengxiom-Yanzhou coal bearing Basin, was regarded as a aquifuge in exploration stage.

53) Coal - bearing strata in the Wangguanzhuang exploration area belongs to Permo - Carboniferous North China type coal - bearing formation.

54) The youngest strata intruded by the Kizil Tag intrusion are the Lower Carboniferous Gandun Formation.

55) Upper Carboniferous?lower Permian may be divided into six basic sequences(three order) and 15 system domains , it makes precision of formation classification improved.

56) Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle—lower Carboniferous series as well as lower Jurassic Lishan formation.

57) But the intermediate boundary recommended by the Subcommission on Carboniferous Stratigraphy is based on planktonic organisms, so this boundary in Hunan should be restudied.

58) Chuandong Carboniferous gas reservoirs are widely distributed in the east port of Sichuan Basin.

59) 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.

60) During Carboniferous period, characteristics of deposition of Aqishan-Huangshan composite terrane that is the eugeosyncline type, are obviously controled by its boundary fault zones.

61) 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.

62) Taoyuan gold deposit locates in impurity carbonate rock containing volcanic materials of Lower Carboniferous, lower rock formation, littoral- neritic facies.

63) On the basis of logging and drilling data, the Lower Carboniferous can be divided into 2 second grade sequences and 6 third grade sequences.

64) The last of the six periods of the Paleozoic era , it follows the Carboniferous period.

64) try its best to gather and create good sentences.

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

66) 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.

67) We study the geology evolution of Houxia - Bogda region in Carboniferous period as a basin.

68) Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in Lower Jurassic, lower part of Middle Jurassic and Lower Cretaceous are the best source rocks.

69) Besides, the oringin of the mixed sedimentitation of the Upper Carboniferous is discussed.

70) In Early Carboniferous, Tianshan mountains entered an intraplate evolution stage.

71) The biota of Upper Carboniferous is dominated by fusulinid and secondly by brachiopod and coral with flourished fossil plants in the lower pail.

72) The metamorphic ages of the eclogites are largely 320～220 Ma ( Carboniferous period to Triassic period ).

73) The two early Carboniferous fragments are composed of Basalt and ash-black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.

74) Coal measures of Middle and Upper Carboniferous in North China contain abundant conodonts, but their occurrence at various localities is different.

75) The Weining age of Carboniferous period in Tongling area is a transgressive one.

76) Geological and geochemical characteristics show that they are formed in back-arc environment, matching Carboniferous pillow lava from Jianshui area.

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

78) Recently some Brachiopoda, coral, gastropoda, phytolite is identified by Nanjing Institute of Geology and Palaeontology China Academy of Sciences. The age belongs to Late Carboniferous epoch.

79) During the deposition of the Benxi Formation of Carboniferous, four cycles of relative sea level changes could be identified based on the study of sedimentary facies and community palaeoecology .

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

81) The Tianshan rift-related volcanic rocks make up a large igneous province erupted during the Carboniferous. Early Permian period in northwestern China.

82) The Carboniferous period saw the appearance of the first extensive forests on Earth.

83) The main Mg-carbonate body is hosted by Carboniferous limestone and dolomitic limestone, while footwall black schists contain thin carbonate lenses replaced by Fe-carbonates.

84) As a result, the upper Carboniferous carbonate reservoir of the margin of the Pre-Caspian basin is the most promising hydrocarbon reservoir and it is expected to find more oil and gas reserves there.

85) After the formation of coal-series of Carboniferous and Permian Period. the basin was undergone by the strong Yenshan movement and the coal-formed gas had been seriously destroyed.

86) The Permo Carboniferous coal bearing measures mainly occur in the fault depression of Luxi uplifted area and in Jiyang sag in Shandong.

87) Fractal theory was used in this paper, and fractal feature of grain distribution of sandstone in coal-bearing strata in Permo Carboniferous System was studied.

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

89) The Dingjiazhai Formation and its overlying Woniusi Formation in the Baoshanregion were referred to as Upper Carboniferous(the Maping Stage ) by predecessors.

90) In Early Carboniferous karst peneplain of Central Guizhou there were a lot of karst negative forms, for example karst basin, karst depression.

91) On the basis of the study on the flora characteristic of the late Late Carboniferous and early Early Permian in the Helan Mountains, the palaeoecology study on this flora has been analyzed.

92) Carboniferous, limestone and other minerals rich in resources, especially the River trail known Carboniferous distance.

93) Its Outangdi Formation of the Upper Carboniferous system occurs as mixed deposits of terrigenous clastics and carbonate.

94) The Carboniferous bauxite deposits in the western Henan Province occur on the planation paleosurface and was deposited in epicontinental seas or lakes of the North China Block.

94) try its best to gather and make good sentences.

95) The distribution of Mndeposit is under the control of Nandan-Yishan basin of lower Carboniferous Datang period and of synsedimentary faulting.

96) The Liangshang Formation mudstone is the direct cap rock of the Carboniferous gas pools.

97) Upper Jurassic red bed cover directly on coal measure strata of Permian and Carboniferous system in Yanzhou coal field .

98) Major volcanic rock types of Carboniferous times are andesitic basalt, dacite, rhyolite, characterized by a bimodal volcanic suite.

99) The Qilixia Structural belt is one of Carboniferous high-angle structural belts in East Sichuan Province.

100) The upper Carboniferous and lower Permian of Hetian in the south of Tarim Basin are deposited in the epeiric sea.

101) The sub-tectonic unit, Chaiwopu sag, which lies in the south margin of the basin, was a small intermountain superimposed sag developed on the fold basement of Upper Carboniferous.

102) The results demonstrated that the Lower Carboniferous of Chaobei area is a set of littoral facies deposit, mainly limestone, a few sandstone and mudstone, ten microfacies can be identified.

103) By systematic study on some categories of biotic fossils discovered in the carboniferous strata of Laiwu coal field, the assemblage of Fusulinida and conodont of this area is established.

104) The Huanglong, Chuanshan formation of Upper Carboniferous and the Qixia, Dingjiashan formation of Lower Permian, outcropping in Tonglu-Lengwu, have a total thickness of 932.3 meters.

105) The zimenqiao Formation silicalite of Lower Carboniferous is the country rock of Changkeng Au - Ag deposit.

106) This paper centers on the study of the marker characteristics of vug seepages which are from marine carbonate of the upper Carboniferous in Tarim Basin.

107) 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.

108) There are great bifurcations as yet on the structural environment and on the evolution of the Xingmeng Paleozoic orogenic belt in Southeast Inner Mongolia during the Carboniferous Period.

109) Based on the principles of sequence stratigraphy, the paper described the basic characteristics of depositional system tract in the Lower Carboniferous.

110) Guided by the base level theory, the author tried to analyze the paleogeography of the Middle and Late Carboniferous epoch in North China.

111) The new research is focused on the Carboniferous Period, when the supercontinent of Pangea was covered in tropical rainforests ruled by reptiles.

112) The Lower Carboniferous Ceshui and Upper Permian Longtan coal series are most important in Southeast China, and can both generate and bear gas greatly in the Lianyuan coal basin, Central Hunan, China.

113) Intermediate-basic and intermediate-acidic volcanic rocks of lower Carboniferous are widespread along both northern and southern sides of Ili basin of Xinjiang.

114) In IuoyangSanmenxia area Al ore occurs in Benxi Formation of Middle Carboniferous consisting of mainly monohydrallite.

115) Carboniferous volcanic rocks in Altay, Xinjiang, mainly exist in its northeastern part. They consist of rhyolite, dacite and cataclastlava.

116) Early Paleozoic rock are mainly carbonate , dolomite, Carboniferous - Permian coal-bearing clastic rock and a small amount of Archean crystalline metamorphic rocks and Mesozoic-Cenozoic granite acid.

117) It"s the first report that Luocheng Fm. diachronism in lower carboniferous series in Huanjiang area of northern Guangxi."

118) The South Tianshan range formed end of the Carboniferous orogen was formed under the strong compression.

119) Besides, we also find that there are magma thermal actions during the Carboniferous period and early Permian period.

120) The contact relationship is definitude. Secondly, there are many Lower Carboniferous fossil have been found in its top geologic strata—the Akeshake formation.

121) The sandstone-mudstone member of the Tarim Basin is a Lower Carboniferous interbedded sandstone and mudstone, with occasional interbeds of gypsum, conglomerate, and coal.

122) Silurian'. ' and before the Mississippian or Carboniferous Period, and characterized by the appearance of forests and amphibians.