活动大陆边缘 meaning in Chinese
active continental margin
Examples
- Origin of mesozonic basins on the northwest pacific margin and the north tethys margin
两种不同类型的活动大陆边缘及其动力学机制 - The most typical persian gulf basin is characterized by the superposition with these zones one after another
形成了内克拉通、前陆及褶皱带、活动大陆边缘、离散大陆边缘和内裂谷等5种盆地类型。 - 4 . triangular diagram of the sandstone clastic compositions and the relationship diagram of major element suggest that the proto basin of the clastic rock of the yanbian group was a forearc basin , which was in an active continental margin
盐边群碎屑岩碎屑骨架颗粒统计分析结果和砂岩常量元素构造环境判断图解显示，它们所处的构造环境为活动大陆边缘，初步判定它们的原型盆地为弧前盆地。 - 2 . tazhong ancient uplift originated from normal fault in paleozoic , hydrocarbon formed in ordovician period , structure reverse made tazhong uplift form from the middle ordovician period to the late ordovician period , and it provided geologic background for the deposit of silurian - devonian stratum . tazhong uplift formed at the end devonian , ancient reservoir was destroyed and asphaltum sandstone formed , structure deformation more destroyed ancient reservoir in early permian , after then the major of structure deformation is regulation
塔中隆起源于早古生代拉张背景下的正断层，寒武-奥陶纪为其烃源岩形成的重要时期；早奥陶世末-晚奥陶世末的构造反转是塔中隆起的主要形成期，同时也为志留系形成地层及复合圈闭提供了古地理背景；志留?泥盆纪塔里木盆地南北缘均转为活动大陆边缘，形成了大量的断裂和不整合；泥盆纪末塔中鼻状隆起基本定型，古油藏遭受破坏，形成了沥青砂岩；早二叠世晚期的构造变形使古油藏遭受进一步的破坏；二叠纪后构造变动主要以调节为主。 - The geochemical examination of the sandstones and mudstones from the xikang group has led us to conclude that the debris are derived mostly from the surficial rocks and their overlying deposits on the xikang - yunnan ancient land , and tectonic settings display the transition from the passive continental margin to active continental margin and finally to archipelago
通过对西康群砂、泥岩地球化学组成特征研究，认为其物源来自康滇古陆表壳岩及其上覆的盖层沉积，大地构造属性为被动大陆边缘到活动大陆边缘再到多岛弧的转化。