Early middle Cambrian rhyolites from Baiyin Mining Field were considered to have resulted from magmatism of continental rift.
白银厂矿田早—中寒武世流纹岩被认为是大陆裂谷环境或洋内弧岩浆作用的产物。
The palaeogeography and the initial stratal thickness of the Middle Cambrian in the Western Hills of Beijing are restored through the finite strain analysis in this paper.
本文从有限变形分析入手,着重恢复北京西山中寒武世古地理原态及相应的地层初始厚度。
The first generational northwest folds were fault band folds, formed during Middle Cambrian to Devonian, which were "under water uplift", distributed over the whole studied area.
第一期北西向褶皱构造为轴向北西的断层转折褶皱,形成于中寒武世—泥盆纪,它们当时都是一些“水下隆起” ,在全区均有分布。
Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.
二叠纪全球性大规模火山活动,致使区内整个中寒武纪的火山沉积岩普遍发生变质。
The present paper deals with the Cambrian sequence stratigraphic framework, sequence boundaries, sequence patterns and systems tracts, in the middle Yangtze area.
笔者建立了中扬子区寒武系层序地层格架,研究了中扬子区层序界面和体系域特点,分析了中扬子区层序样式的基本类型及其特征。
The material source of the Carboniferous karst type bauxite in North China mainly came from the underlying Late cambrian-middle Ordovician carbonate rock.
华北石炭纪岩溶型铝土矿的主要物质来源为下伏的晚寒武世—中奥陶世碳酸盐岩。
The discovery of the tempestites is of great significance to restructure the palaeogeography of Middle-Late Cambrian in Huangshi, eastern Hubei Province.
该风暴岩的发现对重建鄂东黄石地区中晚寒武世古地理及区域地层对比具有重要意义。
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。
Vertically, 3sets of source rocks including the Lower Cambrian, the Middle-o-Upper Ordovician-Lower Silurian and the Permian were developed in Chinese Paleozoic Marine basins.
研究认为中国古生代海相盆地在纵向上主要发育下寒武统、中上奥陶统—下志留统和二叠系3套烃源岩。
From Cambrian to the end of Middle Triassic, the Siberia-eastern China-Australia axis rotated from an eat-westward equatorial arrangement to south-northward longitudinal arrangement.
从寒武纪到中三叠世末,西伯利亚-中国东部-澳大利亚这个“轴心”由东西向沿赤道排列状态顺时针旋转成为南北向沿子午线排列状态。
From Cambrian to the end of Middle Triassic, the Siberia-eastern China-Australia axis rotated from an eat-westward equatorial arrangement to south-northward longitudinal arrangement.
从寒武纪到中三叠世末,西伯利亚-中国东部-澳大利亚这个“轴心”由东西向沿赤道排列状态顺时针旋转成为南北向沿子午线排列状态。
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