泥盆纪
- 名Devonian Period
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在泥盆纪末期,30%的动物物种都灭绝了。
Near the end of Devonian times , thirty percent of all animal life vanished
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鄂尔多斯盆地志留-泥盆纪和侏罗纪热事件&伊利石K-Ar年龄证据
Silurian-Devonian and Jurassic thermal events in the Ordos basin , china : evidence from K-Ar dating on illites
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西秦岭北带泥盆纪Nereites遗迹相及其环境分析
Nereites Trace facies ( Devonian ) in the Northern Belt of West Qingling Mountains and its Environment Analysis
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通过详细的地质填图和年代学研究,确定昆秦接合部存在志留-泥盆纪岩浆活动,采用单颗粒锆石U-Pb定年方法测定侵入岩的形成时代为382~423Ma,即志留-泥盆纪。
Silurian-Devonian magmatic activity was discovered in the copulae of the Kunlun-Qinling mountains by detailed mapping and chronology analysis . Single grain zircon U-Pb dating yielded formation dates of 382-423 Ma in the intrusive rocks , which is Silurian-Devonian .
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该构造中的低角度坡坪式逆断层BD4DF、BD4D1F形成于中寒武世-泥盆纪,自古近纪开始又发生活动。
The low angular step shape thrusts BD4DF 、 BD4D1F were formed during middle Cambrian period to Devonian period and have been activated again since Palaeogene period .
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中央造山带是经历了大致600Ma的活动历史,和泥盆纪、三叠纪的两次主要碰撞造山以及白垩纪以来的陆内造山过程而构筑成的典型的复合造山带。
It was constructed to be a typical composite orogenic belt after experienced an active geological history of about more 600 Ma including Devonian and Triassic collision orogenic events , and intracontinental orogeny since Cretaceous .
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桂中北泥盆纪沉积盆地依据上述新模型划分出7个Vail级旋回层序,其中包括2个Ⅱ类层序,这些层序叠置的地史延续时间在1Ma至几十个Ma之间。
According to the model and method mentioned above , the Devonian strata in northern and central Guangxi can be divided into seven Vail-scale sequences , of which two are type ⅲ sequences , with a time duration of about one to tens of Ma .
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秦巴地区泥盆纪生态群落分析
Ecological community analysis of the Devonian in Qinling-Bashan region , china
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昆秦接合部志留-泥盆纪侵入岩及其构造环境
Silurian-Devonian Intrusive Rocks and Tectonic Environment in Copulae of Kunlun-Qinling Mountains
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高密度流与湖南泥盆纪沉积相分异
Sedimentary facies differentiation related to high-density flow during Devonian in Hunan
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志留纪末期为北祁连的主造山期,泥盆纪形成高峻的古祁连山。
The latest Silurian is main orogenic stage of North Qilian .
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华南板块泥盆纪层序地层及海平面变化
Devonian sequence stratigraphy and sea-level changes within the South China plate
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中国泥盆纪鲕铁石沉积环境、成因
Sedimentary Environments and Origin of the Devonian Oolitic Ironstones in China
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泥盆纪火山岩或沉积岩组成的盆地边缘;
Devonian basin-margin that are consisted of sedimentary or volcanic rock ;
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陕甘南秦岭泥盆纪秦岭海及其控矿作用
Devonian paleo-south qinling-ocean and ore-controlling function in southern Qinling of Shaanxi-Gansu
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湖南泥盆纪沉积盆地的演化与层序地层沉积模式
Devonian Sedimentary Basins in Hunan : Evolution and Sequence Stratigraphic Model
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皖西南地区泥盆纪&三叠纪层序地层
Sequence stratigraphy of the Devonian-Triassic strata in Southwest Anhui , China
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华南泥盆纪沉积盆地类型和主要特征
Types and Main Characteristics of Devonian Sedimentary Basin in South China
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阿尔泰山南缘克朗盆地泥盆纪火山沉积与矿产
Devonian volcano-sediments and mineralization of Kelang basin in southern Altay mountains
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华南泥盆纪陆源碎屑岩的沉积类型
Sedimentary type of Devonian terrigenous clastic rocks of South China
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阿尔泰南缘泥盆纪火山-沉积盆地形成机制探讨
Forming mechanism of the Devonian volcano-sedimentary basin of the southern Altay margin
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中国泥盆纪双壳类生物地理区、生活习性和群落
Palaeobiogeography , life-habits and communities of Devonian bivalves of China
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吉林中部志留&泥盆纪生物地层、群落生态及生物古地理
Silurian-Devonian biostratigraphy , synecology and palaeobiogeography from central Jilin , NE China
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泥盆纪是中国聚煤期之一。
Devonian is one of several coal-forming periods in China .
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西秦岭晚志留世&泥盆纪的虫颚化石
Upper Silurian to Devonian scolecodont fossils from West Qinling Mountains
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粤北泥盆纪裂陷盆地特征及其演化
Characteristics and evolution of Devonian rift basin in northern Guangdong
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泥盆纪华南板块古地理的位置及其漂移
The Paleogeographical Position and Drifting of the Southern China Plate in Devonian
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论泥盆纪川鄂浅海与外界海域的通道
On the channels between SICHUAN-HUBEI shallow sea and open sea in Devonian
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广西泥盆纪生物礁发育,分布广泛。
The Devonian reefs in Guangxi were well developed and distributed widely .
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华南泥盆纪生物礁及其控制因素初探
Preliminary approach to Devonian reefs and their control factors in South China