The abundance and diversity of radiolaria fossils are high in the clay of basin.
海盆区粘土沉积物中的放射虫化石丰度高且分异度高。
In the low area of continental slope, radiolaria fossils are poor in the volcanic cinders and turbidite.
陆坡下部区的火山碎屑及浊流沉积物中放射虫化石亦不丰富。
The radiolaria fossils and submarine basalts which are first discovered afford us new material to discuss about the stratigraphical time and tectonic background of this area in Devonian period.
首次在该区发现放射虫化石和海相玄武岩地层。为探讨该区泥盆系的时代以及大地构造环境提供。
应用推荐