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下寒武统 [xià hán wǔ tǒng]
[地质] Lower Cambrian Series
- 湖南新晃贡溪重晶石矿床赋存于下寒武统牛蹄塘组中。
The Gongxi barite deposit hosts in the Niutitang formation of the lower Cambrian. - 华南下寒武统黑色岩系“多元素富集事件”受世人瞩目。
People have paid great attention to the "many elements-enriched event" in the Lower Cambrian black shale series in south China. - 贵州黔东地区中-下寒武统凯里组主要由粉砂质泥岩、页岩及灰岩组成，富产三叶虫。
The Kaili formation in Eastern Guizhou, China is mainly made up of silty mudstone and shales abundant in trilobites.
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