Observation of ferromanganese deposit in the Gulf of Bothnia, Baltic Sea

The present experimental study is based on evidence obtained on land showing that in areas covered by ancient continental ice the drift is to a large extent of local origin so...本项实验研究基于陆上获取的证据开展，研究表明，在古大陆冰盖覆盖的区域内，冰川漂积物在很大程度上属于本地成因，因此……