Melezhik V.A., Ihlen P.M., Bjerkgerd T., Sandstad J.S., Raaness A., Kuznetsov A.B., Solli A., Gorokhov I.M., Pokrovsky B.G., Fallick A.E. A common Tonian chemostratigraphic depositional age of marbles and associated iron formations (Fe±Mn±P) in the Scandinavian Caledonides // Norw. J. Geology. 2018. V. 98. P. 405-459.