罗圈组为一穿时地层单位，时代为震旦纪—早寒武世。
Luoquan Formation is a diachronous unit from Sinian to Lower Cambrian.
早寒武世最早期梅树村期处于“寒武纪大爆发”序幕阶段。
The Meishucun stage is the prelude of the Cambrian Explosion.
织金新华磷矿是我国扬子地台西南缘早寒武世重要的海相沉积磷矿床。
Zhijin Xinhua phosphate deposits is an important Marine sedimentary phosphate deposits formed in Early Cambrian Epoch located in South-west edge of Yangtze Platform.
宽川铺生物群是陕南地区早寒武世早期一个以微体动、植物化石为特色的生物群。
Kuanchuanpu biota is the early Cambrian microfossil which is characterized as an early animal and plant fossil in the southern region of Shaanxi province.
本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。
This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.
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。
Early middle Cambrian rhyolites from Baiyin Mining Field were considered to have resulted from magmatism of continental rift.
河南省华北型寒武纪—早奥陶世地层可分为7个组、21个生物带、10个阶。
The North China type Cambrian and Early Ordovician strata can be subdivided into 7 Formations, 21 biozones and 10 stages.
河南省华北型寒武纪—早奥陶世地层可分为7个组、21个生物带、10个阶。
The North China type Cambrian and Early Ordovician strata can be subdivided into 7 Formations, 21 biozones and 10 stages.
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