Abstract
The REE distribution was studied in the bottom sediments of the East Arctic shelf of Russia. It is established that sediments of the Laptev and western East Siberian seas are significantly enriched in REEs, the contents of which are much higher than those of other near-continental basins. The main REE sources are runoff of the Lena River, the basin of which comprises ancient crystalline shields and magmatic rocks enriched in LREEs with significant contribution from the coastal erosion of the ice complex from the Laptev Sea and western East Siberian Sea. The terrigenous flux with a specific REE composition is supplied to the Chukchi Sea through the Bering Strait.
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Original Russian Text © A.S. Astakhov, I.P. Semiletov, V.V. Sattarova, Shi Xuefa, Hu Limin, K.I. Aksentov, Yu.P. Vasilenko, M.V. Ivanov, 2018, published in Doklady Akademii Nauk, 2018, Vol. 482, No. 4.
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Astakhov, A.S., Semiletov, I.P., Sattarova, V.V. et al. Rare Earth Elements in the Bottom Sediments of the East Arctic Seas of Russia as Indicators of Terrigenous Input. Dokl. Earth Sc. 482, 1324–1327 (2018). https://doi.org/10.1134/S1028334X18100021
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DOI: https://doi.org/10.1134/S1028334X18100021