Journal
LITHOLOGY AND MINERAL RESOURCES
Volume 51, Issue 2, Pages 107-116Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S0024490216020036
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- Presidium of the Russian Academy of Sciences [28]
- Russian Foundation for Basic Research [15-04-00774]
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Spectra of the REE distribution in the Quaternary-Recent peat bog ore of southern Karelia and Leningrad region are characterized by La-N/Yb-N < 1.0, presence of positive Eu and negative Ce anomalies, and higher Y enrichment (relative to Ho and Dy) because of the REE sorption by Fe-bearing minerals in acid boggy waters. The Sr-87/Sr-86 ratio is 0.7175 in iron oxyhydroxides of the Somino deposit (Leningrad region) and 0.7283 in the Polovinkino ore (southern Karelia). The Nd-143/Nd-144 ratio in them is 0.511844 and 0.511617, respectively.
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