This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province.
本论文对来自四川龙门山泥盆纪的腕足化石进行碳、氧同位素分析。
During the Devonian period, northward of Longmen Mountain structural belt is located in northwest border of Up Yangtzee Ancient Land.
在泥盆纪期间，龙门山构造带北段位于上扬子古陆的西北边缘。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
Based on sequence strati graphy work for the outcrops in tarim basin the author sets up the sealevel changes curve of sinian period to devonian period.
根据对塔里木盆地露头剖面的层序地层学研究，建立了震旦-泥盆纪古海平面变化曲线。
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.
根据对塔里木盆地露头剖面的层序地层学研究，建立了震旦—泥盆纪古海平面变化曲线。
During the Devonian period, insects began to exploit terrestrial environments. Flight, the exoskeleton, and metamorphosis are probably keys to insect success.
在泥盆纪时期，昆虫开始探索陆地环境。飞翔、外骨骼、和变态可能是昆虫成功的关键。
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.
首次在该区发现放射虫化石和海相玄武岩地层。为探讨该区泥盆系的时代以及大地构造环境提供。
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.
华南泥盆纪的层状礁与加拿大泥盆纪的“低礁”较为相似，而丘状礁则与加拿大“高礁”及德国的泥盆纪礁类似。
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。
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.
综合研究得出黑山蛇绿岩形成于南华—奥陶纪，构造就位于志留纪—早中泥盆世。
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.
综合研究得出黑山蛇绿岩形成于南华—奥陶纪，构造就位于志留纪—早中泥盆世。
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