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Scientific LiteratureUpper JurassicMetalliferous SedimentsLithostratigraphic UnitsMetamorphic RocksLower CretaceousEarly Cretaceousthe Middle JurassicLower JurassicUpper CarboniferousConodont ZonesEarly-middle JurassicAnisian StageJurassicEnglish SummaryEarly JurassicUpper EoceneGeological HeritageTrace ElementsMetamorphic Complex