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- Title
Assessment of Soil Pollution by Rare Earth Elements in the Area Affected by the Rare Metal Plant in Russia.
- Authors
Krasavtseva, E. A.; Maksimova, V. V.; Elizarova, E. I.; Malysheva, M. B.
- Abstract
Podzol soils (Podzol) sampled in the area affected by the rare metal plant in the Murmansk oblast were analyzed using the inductively coupled plasma mass spectrometry to determine the bulk content of 14 rare earth elements (REEs) and the contents of their water-soluble, exchangeable, and mobile species. The mean bulk content of ΣREE in the soil sampled near tailings amounts to 594.9 mg/kg (218.2–1177.6 mg/kg), which is considerably higher as compared with the conventionally background soil (90.4 mg/kg, 79.45–101.35 mg/kg). The contents of individual REEs in the examined soils follow those in the mill tailings of loparite ores, thereby confirming the impact of mining activities on the content and distribution of REEs. The calculated REE enrichment factors (EFs) for soils vary from insignificant (EFΣREE = 2.4) to high (EFΣREE = 13.0). High EF values coincide with wind directions, suggesting an airborne technogenic nature of soil pollution caused by the dusting of tailings.
- Subjects
MURMANSK (Russia); RUSSIA; RARE earth metals; SOIL pollution; METAL tailings; NONFERROUS metals; INDUCTIVELY coupled plasma mass spectrometry; RARE plants
- Publication
Eurasian Soil Science, 2023, Vol 56, pS194
- ISSN
1064-2293
- Publication type
Article
- DOI
10.1134/S1064229323601403