| 释义 |
Middle Cambrian
基本例句
中寒武世
Crumillospongia biporosa are found in Lower Cambrian Chengjiang Biota andMiddle CambrianBurgess Shale Biota, too.biporosa的牛蹄塘生物群下部层位低于澄江生物群;贵州遵义松林可能是C.
TheMiddle Cambriannoncalcareous algse are common fossils in the Burgess Shale of British Columbia.贵州台江凯里组的非钙质藻类化石在我国中寒武统尚属首次发现，国外主要见于北美。
The bimodel volcanic rocks ofMiddle Cambrianare major host rocks containing many polymetallic VMS deposits with larger scale.中寒武统双峰火山岩所赋存的多金属VMS矿床多、规模大，是主要含矿岩系。
TheMiddle CambrianTianpeng Formation has high background value of metallogenetic element, which is the advantageous ore source horizon.田蓬组地层成矿元素高背景值,为有利之矿源层。
The low angular step shape thrusts BD4DF、BD4D1F were formed during middle Cambrian period to Devonian period and have been activated again since Palaeogene period.该构造中的低角度坡坪式逆断层BD4DF、BD4D1F形成于中寒武世-泥盆纪，自古近纪开始又发生活动。 |