石炭纪
- 名Carboniferous Period
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通过对大别造山带前陆盆地石炭纪含煤岩系高煤级煤的X射线衍射分析,探讨了高煤级煤基本结构单元的演化特征及其影响因素。
Through X ray diffraction ( XRD ) analysis of high rank Carboniferous period coal located in the northern foreland basin of Dabie Orogenic Belt in the eastern China , the evolution character of XRD parameters of high rank coals and the effecting factors are studied .
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榴辉岩的变质年龄集中在320~220Ma(石炭纪-三叠纪)之间。
The metamorphic ages of the eclogites are largely 320 ~ 220Ma ( Carboniferous period to Triassic period ) .
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在北非不同的地方使用这个名称,包括从石炭纪到早白垩世的地层。
The term is used at various localities in North africa , includes beds ranging from Carboniferous to early cretaceous .
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石炭纪下扬子海盆的演化可以分为3个阶段,即坳陷、隆起、扩展沉陷阶段,它们分别对应于层序A-B、C和D-F。
The Carboniferous of Lower Yangtze Basin is divided into 3 evolution stages of depression , upwelling and extensional sinking , corresponding to sequences A - B , C and D - F , respectively .
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2晚泥盆世-石炭纪伸展变形-深源热流体叠加事件(D2)。
The geothermal event of the end of the Late Devonian to the Carboniferous extensional deformation of basin superimposing of deep source hot fluids ( D 2 );
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因此,天山北部地区石炭纪埃达克岩-高镁安山岩-富Nb玄武质岩组合表明:(1)天山北部地区石炭纪可能为岛孤环境而非裂谷环境;
Therefore , the Carboniferous adakite-high-Mg andesite-NEB suites in the Northern Tianshan area suggest that : ( 1 ) in the Carboniferous , the Northern Tianshan area was in an arc rather than continental rift setting ;
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采用仪器中子活化分析法(INAA)测定了华北晚古生代石炭纪-二叠纪58个煤及煤层夹矸和顶底板样品的稀土元素含量。
An INAA ( Instrumental Neutron Activation Analysis ) method was used to determine the abundance of rare-earth elements in 58 Late Palaeozoic coals and related rocks in North China .
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滇西孟连地区的石炭纪和二叠纪放射虫化石
Carboniferous and Permian radiolaria in the Menglian area , western Yunnan
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山西省石炭纪铝土矿中鲕特征及成因
Features and Genesis of Ooides in Carboniferous Bauxite in Shanxi Province
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该造山带石炭纪处于海陆转换、构造变革的重要时期。
The Carboniferous orogenic is an important period of structural change .
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下扬子盆地石炭纪的岩石学特征及沉积相
Carboniferous Petrographic Features and Depositional Facies of the Lower Yangtze Basin
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伊犁石炭纪裂谷的时空演化特征
Evolution of space and time of Carboniferous rift in Yili Area
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新疆石炭纪腕足类组合特征
Assemblage feature of brachiopod fauna of the Carboniferous in Xinjiang
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新疆诺尔特地区石炭纪火山岩的成岩机制
Forming mechanism of Carboniferous volcanic rocks in the Nurt area , xinjiang
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海南岛昌江地区石炭纪牙形刺化石
Carboniferous conodonts from the Changjiang area , Hainan island , south China
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甘肃玉门地区石炭纪地层研究的新发现
New Discovery of Carboniferous Stratigraphic Study in Yumen Area of Gansu Province
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新疆北阿尔泰石炭纪的沉积相和沉积环境
Carboniferous Sedimentary Facies and Environment in North Altay , Xinjiang
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黔中石炭纪铝土矿矿床成因等若干问题的初步探讨
Some problems on the origin of Carboniferous bauxite deposits in Central Guizhou
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湖南石炭纪碳酸盐岩中的风暴沉积
The Tempestite in Carbonate Rock of Carboniferous in Hunan Province
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石炭纪火山岩为部分熔融作用的产物。
The Carboniferous volcanic rocks originated from partial melting of the crust .
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石炭纪二叠纪的海南岛何在?
Where Hainan Island is in Carboniferous - permian period ?
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秦岭俯冲板块前缘石炭纪构造-沉积环境
Carboniferous tectonic and sedimentary setting of frontal margin of Qinling subducting plate
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贺兰山北段石炭纪和二叠纪植物群
Carboniferous and Permian Flora in the northern part of the Helan Mountains
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安徽省石炭纪-二叠纪(竹蜓)类的一些新种
Some new species of fusulinids from the Carboniferous-Permian of anhui , china
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贵州省石炭纪早期古土壤的发现及其意义
The Discovery and Its Significance of Early Carboniferous Paleosols in Guizhou Province
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桂北南丹地区石炭纪斜坡相层序地层分析
Carboniferous sequence stratigraphy on clinothem facies at Nandan area in northern Guangxi
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江苏句容泥盆-石炭纪大孢子的补充研究
A complementary study on megaspores from DEVONIAN-CARBONIFEROUS transition in jurong , Jiangsu
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塔里木盆地泥盆-石炭纪转换期层序地层学
Sequence Stratigraphy in Devonian-Carboniferous Transit Period in Tarim Basin
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安徽南部石炭纪的构造与古地理
Tectonics and palaeogeography of Southern Anhui during the Carboniferous
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新疆西南部石炭纪的生物组合序列
Faunal succesions of Carboniferous in the southwest of Xinjiang