Description of the fossil manganese nodules found in the Oligocene clay depos...
收藏B2FIND2026-04-29 收录
下载链接：
https://b2find.eudat.eu/dataset/4e7c2e52-56fa-588d-a129-b072597cc564
下载链接
链接失效反馈官方服务：
资源简介：
In the green Oligocene clay of Krizanovice (former Krzyzanowicz) the author found numerous black nodules. In the 3-4 centimeter thick black crust of a particular specimen the...
