399 resultados para AK15-1363


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Results of study of bottom sediments near Iceland and on the Jan Mayen Island are reported. It was found that in recent sediments chemical elements are mainly associated with pyro- and volcanoclastics. In some areas adjusted to deep-seated faults ancient iron-manganese crusts and sediments occur. They are rich in Ni, Co, V, Cu, Mo, Cd and other elements associated with endogenic matter.

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Contient : Copies de diverses pièces concernant l'histoire de Normandie, montres, etc., la plupart tirées des mss de la Bibliothèque nationale

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Mode of access: Internet.