Paleozoic

Myriapod animals were probably one of the invertebrate animal groups that first colonized the terrestrial ecosystem during Early Paleozoic.

摘要多足动物可能是最早人侵陆地环境的无脊椎动物之。

The paper has summarized systematically evolutionary law in time and space on petrofacies and paleogeography of Late Paleozoic era in Northern China and distributive law of depositional systems.

根据华北晚沉积岩系的环境标志,识别出29个相,归并为冲积扇、河流、三角洲、潮汐砂滩、碳酸盐台地等6个沉积体系。

Gamma ray curve of the Upper Paleozoic in Daniudi gas field can be divided into 4 basic electrofacies types, including bell - shaped, funnel-shaped, box-like and finger - like electrofacies.

大牛地气田上界自然伽马曲线划分为四种基础测井相类型:钟形、漏斗形、箱形和指形。

Wunan gold deposit is located in the active zone of northern margin of Tarimu plate, which concretely exist in the structure unit of triphibian edge in the late Paleozoic in southern Tianshan.

矿床位于塔里木陆块北缘活动带,属天山晚陆缘构造单元。