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Metal enrichments in Paleoproterozoic black shales : global or regional controls?Lepland, AivoGoldschmidt Conference abstracts : 20162016 / p. 1730 http://goldschmidt.info/2016/uploads/abstracts/finalPDFs/A-Z.pdf

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Trace metals and isotopes in Estonian black shales : Cambro-Ordovician shallow water anoxia on the Baltica shelf?Johnson, Sean C.; McGoldrick, Peter J.; Sõstra, ÜloGoldschmidt Conference abstracts : 20162016 / p. 1372 http://goldschmidt.info/2016/uploads/abstracts/finalPDFs/A-Z.pdf

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