晚古生代,地质年代概念,是古生代的晚期,时间开始于4.1亿年前,结束于2.45亿年,持续时间1.75亿年。晚古生代包括泥盆纪、石炭纪和二叠纪三个时期。
n. Neopaleozoic
misc. late paleozoic era
Shanxi area was frequently experienced sea-level changes in the late Paleozoic.
山西地区晚古生代经历了多次海平面升降变化。
参考来源 - 山西地区上古生界层序地层学研究The strata in upper Sinian, late Proterozoic Eras and cambine system, Ordovician, Silurian ,early palaeozoic and Devonian ,late palaeozoic outcrop in In this area. The main strata are Sedimentary superficial metamorphic fine Clastic Rock with carbonate rocks .
区内主要出露有早古生代寒武系、奥陶系、志留系及晚古生代泥盆系,发育一套浅变质细碎屑岩与碳酸盐岩沉积建造。
参考来源 - 南秦岭构造带旬阳—神河一带地质构造特征·2,447,543篇论文数据,部分数据来源于NoteExpress
层序的发育特征反映了鄂尔多斯盆地在晚古生代经历了陆表海盆地的形成、发展、衰退和逐渐消亡的过程。
The characteristics of sequences reflect the process of evolution of the Ordos Basin which experimented the formation, development, waning and consumption of epicontinental basin.
它们的形成可能与晚古生代古亚洲洋的消减作用有关,该期花岗岩的就位导致马家街群发生了接触变质作用。
They are probably related to the subduction of the Paleo-Asia Oceanic plate, and their intrusion resulted in the contact metamorphism of the Majiajie Group.
这为探讨这些花岗岩的成因提供了岩石学依据,同时也暗示晚古生代佳木斯—松嫩古陆可能发生过地壳的垂向生长。
This provides petrographic evidence for the study of the genesis of the granites and also implies that vertical crustal growth probably took place in the Late Paleozoic Jiamusi-Songnen craton.
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